Research Publications

1. Refereed International Journals

1. Sun, Y., Nimbalkar, S., Tan, H., He, S.-H., Liu, Z. and Zhang, J. (2025). Preface (Editorial): Frontiers in Physics Special Issue on ‘Understanding Geomaterial Instability: Physics and Mechanics of Landslides and Seismic Events’, Vol. 13, Article ID 1696671, pp. 1-3, doi:10.3389/fphy.2025.1696671. (Accepted, in press).

2. Tao, G., Guo, L., Xiao, H., Chen, Q., Nimbalkar, S., Feng, S. and Wu, Z. (2025). “Assessment of vegetation cover and rainfall infiltration effects on slope stability”, Applied Sciences, (Accepted, in press).

3. Anandha Raj, L. K., Nimbalkar, S. and Dodagoudar, G. R. (2025). “Performance of railway embankment on soft ground reinforced with granular columns”, Transportation Infrastructure Geotechnology, (Accepted, in press).

4. Punetha, P. and Nimbalkar, S. (2025). “Numerical investigation on the dynamic behaviour of unpaved roads under realistic moving loads”, Road Materials and Pavement Design, https://doi.org/10.1080/14680629.2025.2533350 (Accepted, in press).

5. Tao, G., Zhou, H., Chen, Q., Xiao, H., Nimbalkar, S., Peng, Y. and Guo, E. (2025). “Soil stabilization and erosion resistance capabilities of vegetative biomaterials based on biopolymer”, Journal of Mountain Science, (Accepted, in press).

6. Wu, L., Yang, J., Feng, S., Chen, H., Liu, H., Lin, Z. and Nimbalkar, S. (2025). “Experimental assessment of freeze–thaw characteristics and microscopic mechanisms of coal-based solid waste improved loess filler”, Transportation Geotechnics, https://doi.org/10.1016/j.trgeo.2025.101606 (Accepted, in press).

7. Farooq, H. and Nimbalkar, S. (2025). “Viscoelastoplastic model for an integrated tunnel-track system in weak rock formations”, Computers and Geotechnics, https://doi.org/10.1016/j.compgeo.2025.107433 (Accepted, in press).

8. Punetha, P. and Nimbalkar, S. (2025). “Utilisation of construction and demolition waste and recycled glass for sustainable flexible pavements: A critical review”, Transportation Geotechnics, https://doi.org/10.1016/j.trgeo.2025.101612 (Accepted, in press).

9. Tao, G., Zhou, H., Chen, Q., Nimbalkar, S., Liao, L. and Peng, P. (2025). “Nuclear magnetic resonance based improved Green-Ampt infiltration model incorporating dynamic permeability of clay”, Journal of Mountain Science, (Accepted, in press).

10. Tao, G., Yang, C., Chen, Q., Nimbalkar, S., Xiao, H. and Wang, Q. (2025). “Laboratory assessment of tensile properties of root-soil composite of Amorpha fruticose”, Journal of Mountain Science, (Accepted, in press).

11. Jin, X., Rao, P., Feng, W., Cui, J., Nimbalkar, S. and Chen, Q. (2025). “Coupled electric-thermal damage model for lightning strikes on buried pipeline”, Contributions to Plasma Physics,  (Accepted, in press).

12. Tao, G., Tang, W., Chen, Q., Zhou, H., Nimbalkar, S., Xiao, H. and Huang, Z. (2025). “Fractal shear strength model for unsaturated soils considering the combined effects of matrix suction and surface tension”, International Journal of Geomechanics, ASCE, (Accepted, in press).

13. Meena, N. K., Sakhare, A., Nimbalkar, S. and Dodagoudar, G. R. (2025). “Numerical investigation of soil arching and integral abutment bridge in a pile-supported railway embankment”, International Journal of Geotechnical Engineering - Special Issue on ‘Recent Developments in Pile Foundations: Design, Construction, Innovations, and Case Studies’, https://doi.org/10.1080/19386362.2024.2426292 (Accepted, in press).

14. Xiong, Z., Chen, Q., Tao, G., Nimbalkar, S., Rong, H. and Xie, K. (2025). “Mechanical and micro-mechanical investigations of Nano-SiO2 and polypropylene fiber reinforced cement soil in marine environments”, Marine Georesources & Geotechnology (UMGT), Vol. 43, No. 8, pp. 1460-1477, https://doi.org/10.1080/1064119X.2024.2413040.

15. Hu, Z., Chen, Q., Xu, C., Nimbalkar, S. and Huang, N. (2025). “Effectiveness and optimization analysis of vibration isolation performance for circular and rectangular hollow pipes: numerical modeling”, International Journal of Geomechanics, ASCE, (Accepted, in press).

16. Chen, Q., Xiong, Z., Tao, G., Tian, Z. and Nimbalkar, S. (2025). “Strength, durability, corrosion resistance, and microstructure of cemented soil incorporating Nano-MgO under static and cyclic loading: a laboratory study”, Journal of Materials in Civil Engineering, ASCE, (Accepted, in press).

17. Farooq, H. and Nimbalkar, S. (2024). “Rheological modelling of train-track-ground: a review covering core concepts, materials and applications”, Applications in Engineering Science - Special Issue on ‘Viscoplasticity: Theory, Modelling and Applications’, Vol. 20, December 2024, pp. 100194, https://doi.org/10.1016/j.apples.2024.100194. 

18. Basack, S., Nimbalkar, S. and Zaman, M. (2024). Preface (Editorial): International Journal of Geotechnical Engineering  - Special Issue on ‘Recent Developments in Pile Foundations: Design, Construction, Innovations and Case Studies’, Vol. 17, No. 6, pp. 581-582, https://doi.org/10.1080/19386362.2023.2380106.

19. Ke, W., Li, Y., Chen, Q. and Nimbalkar, S. (2024). “Kinematic response of a pile within a soil slope to SH wave excitation”, Soil Dynamics and Earthquake Engineering, https://doi.org/10.1016/j.soildyn.2024.108730. 

20. Farooq, H., Nimbalkar, S., Punetha, P. and Sheng D. (2024). “Viscoelastic rheological modelling of the lateral dynamic response of ballasted railway tracks”, Transportation Infrastructure Geotechnology, https://doi.org/10.1007/s40515-024-00428-0.

21. Rao, P., Meng, J., Cui, J., Feng, W., Nimbalkar, S. and Liu, Z. (2024). “Stability analysis of unsaturated soil pit under vehicle load”, Geotechnical and Geological Engineering, (Accepted, in press).

22. Rao, P., Meng, J., Cui, J. and Nimbalkar, S. (2024). “Field study on rectangular inclined deep foundation excavation in soft soils”, Geotechnical and Geological Engineering, https://doi.org/10.1007/s10706-023-02666-4.

23. Chen, Q., Wan, S., Tao, G., Tian, Z., Yu, R. and Nimbalkar, S. (2024). “Improved mechanical response of Nano-SiO2 powder cemented soil under the coupling effect of dry and wet cycles and seawater corrosion”, Acta Geotechnica, https://doi.org/10.1007/s11440-024-02237-8.

24. Rao, P., Feng, W., Cui, J., Ouyang, P., Chen, Q. and Nimbalkar, S. (2024). “Multiphysics multicoupled modelling of rock fragmentation under high-voltage electrical pulse”, International Journal of Geomechanics, ASCE, (Accepted, in press).

25. Farooq, M. A. and Nimbalkar, S. (2024). “Laboratory and numerical analyses on polyurethane-scrap rubber reinforced base layer”, Canadian Geotechnical Journal, https://doi.org/10.1139/cgj-2023-0583.

26. Chen, Q., Wan, S., Tao, G., Nimbalkar, S., Tian, Z. and Yu, R. (2024). “Characterization of nano-SiO2 cemented soil under the coupled effects of dry-wet cycles and chlorination”, Marine Georesources & Geotechnology (UMGT), (Accepted, in press).

27. Chen, Q., Xie, K., Tao, G., Nimbalkar, S. and Zhang, H. (2024). “Laboratory assessment of impact of Nano-SiO2 on different soil types in onshore and offshore environment”, Acta Geotechnica, (Accepted, in press).

28. Ferreira, F. B. and Nimbalkar, S. (2024). Preface (Editorial):  International Journal of Geosynthetics and Ground Engineering - Special Issue on “Geosynthetic-Reinforced Sustainable Transport Infrastructures”, Vol. 10, No. 3, pp. 58; https://doi.org/10.1007/s40891-024-00569-9.

29. Farooq, M. A. and Nimbalkar, S. (2024). “Monotonic and cyclic triaxial testing of untreated and polyurethane-treated soil and soil-rubber mixtures”, Acta Geotechnica, Vol. 19, No. 2, pp. 605-630.

30. Farooq, M. A. and Nimbalkar, S. (2024). “Static and cyclic performance of polyurethane foam adhesive bound soil-rubber mixtures under drained conditions”, Acta Geotechnica, Vol. 19, No. 2, pp. 561-589.

31. Wu, Z., Rao, P., Cui, J., Chen, Q. and Nimbalkar, S. (2024). “Lateral response evaluation of existing pile by adjacent pile driving in clayey slope”, Geotechnical and Geological Engineering, Vol. 42, No. 2, pp. 1313-1337.

32. Rao, P., Feng, W., Ouyang, P., Cui, J., Nimbalkar, S. and Chen, Q. (2024). “Formation of plasma channel under high-voltage electric pulse and simulation of rock-breaking process”, Physica Scripta, Vol. 99, No. 1, pp. 015604.

33. Nimbalkar, S. and Basack, S. (2024). “Pile group in clay subjected to cyclic lateral load: numerical modelling and design recommendation”, Marine Georesources & Geotechnology (UMGT), Vol. 42, No. 1, pp. 67–87. https://doi.org/10.1080/1064119X.2022.2150103.

34. Tao, G., Guo, E., Yuan, J., Chen, Q. and Nimbalkar, S. (2023). “Permeability and cracking of compacted clay liner improved by Nano-SiO2 and sisal fiber”, KSCE Journal of Civil Engineering, Vol. 27, No. 12, pp. 5109-5122.

35. Wu, L., Niu, F., Lin, Z., Shang, Y., Nimbalkar, S. and Sheng D. (2023). “Experimental and numerical analyses on the frost-heave deformation of reclaimed gravel from a tunnel excavation as a structural fill in a cold mountainous region”, Sustainability of the section "Waste and Recycling", Vol. 15, No. 18, pp. 13397.

36. Tao, G., Peng, P., Chen, Q., Nimbalkar, S., Huang, Z., Peng, Y. and Zhao, W. (2023). “A new fractal model for nonlinear seepage of saturated clay considering the initial hydraulic gradient of microscopic seepage channels”, Journal of Hydrology, Vol. 625, Part A, October 2023, pp. 130055.

37. Chen, Q., Rong, H., Tao, G., Nimbalkar, S. and Xie, K. (2023). “Fatigue characteristics of nano-SiO2 cemented soil under coupled effects of dry-wet cycle and seawater corrosion”, Construction and Building Materials, Vol. 401, No. 10, pp. 132579. 

38. Punetha, P. and Nimbalkar, S. (2023). “Numerical investigation on dynamic behaviour of critical zones in railway tracks under moving train loads”, Transportation Geotechnics, Vol. 41 (July 2023), pp. 101009.

39. Basack, S. and Nimbalkar, S. (2023). “Load-settlement characteristics of stone column reinforced soft marine clay deposit: combined field and numerical studies”, Sustainability of the section "Green Building", Vol. 15, No. 9, pp. 7457.

40. Li, K., Li, X., Chen, Q. and Nimbalkar, S. (2023). “Laboratory analyses of noncoaxiality and anisotropy of spherical granular media under true triaxial state”, International Journal of Geomechanics, ASCE, Vol. 23, No. 9, pp. 04023150.

41. Chen, Q., Xie, K., Tao, G., Nimbalkar, S., Peng, P. and Rong, H. (2023). “Laboratory investigation of microstructure, strength and durability of cemented soil with Nano-SiO2 and basalt fibers in freshwater and seawater environments”, Construction and Building Materials, Vol. 392 (August 2023), pp. 132008.

42. Punetha, P. and Nimbalkar, S. (2023). “An innovative rheological approach for predicting the behaviour of critical zones in a railway track”, Acta Geotechnica, Vol. 18, No. 10, pp. 5457-5483.

43. Sakhare, A., Punetha, P., Meena, N. K., Nimbalkar, S. and Dodagoudar, G. R. (2023) “Dynamic behaviour of integral abutment bridge transition under moving train loads” Transportation Geotechnics, Vol. 40 (May 2023), pp. 100989; https://doi.org/10.1016/j.trgeo.2023.100989.

44. Ouyang, P., Rao, P., Wu, J., Cui, J., Nimbalkar, S. and Chen, Q. (2023). “Hydromechanical modeling of high‑voltage electropulse‑assisted fluid injection for rock fracturing”, Rock Mechanics and Rock Engineering, Vol. 56, No. 6, pp. 3861-3886.

45. Rao, P., Feng, W., Ouyang, P., Cui, J., Nimbalkar, S. and Chen, Q. (2023). “Numerical simulation of pipeline failure mechanisms under lightning strikes, capturing electric disruption and thermal damage”, Journal of Failure Analysis and Prevention, Vol. 23, No. 5, pp. 2065-2074; https://doi.org/10.1007/s11668-023-01754-0. 

46. Feng, W., Rao, P., Nimbalkar, S., Chen, Q., Cui, J. and Ouyang, P. (2023). “The utilization of a coupled electro-thermal-mechanical model of high-voltage electric pulse on rock fracture”, Materials, Vol. 16, No. 4, pp. 1693; https://doi.org/10.3390/ma16041693.

47. Chen, Q., Zhang, H., Ye, J., Tao, G. and Nimbalkar, S. (2023). “Corrosion resistance and compressive strength of cemented soil mixed with nano-silica in simulated seawater environment”, KSCE Journal of Civil Engineering, Vol. 27, No. 4, pp. 1535-1550.

48. Chen, Q., Yu, R., Gaoliang, T. and Nimbalkar, S. (2023). “Microstructure, strength and durability of Nano-cemented soils under different seawater conditions: laboratory study”, Acta Geotechnica, Vol. 18, No. 3, pp. 1607-1627.

49. Nimbalkar, S. and Basack, S. (2023). “Pile group in clay under cyclic lateral loading with emphasis on bending moment: numerical modelling”, Marine Georesources & Geotechnology (UMGT), Vol. 41, No. 3, pp. 269-284. https://doi.org/10.1080/1064119X.2022.2150103.

50. Farooq, M. A. and Nimbalkar, S. (2023). “Novel sustainable base material for concrete slab track”, Construction and Building Materials, Vol. 366 (February 2023), pp. 130260.

51. Farooq, M. A., Nimbalkar, S. and Fatahi, B. (2022). “Sustainable applications of tyre derived aggregates for railway transportation infrastructure”, Special issue of Sustainability on "Sustainability and Innovation in Transport Infrastructure Geotechnics", Vol. 14, No. 18, pp. 11715.

52. Punetha, P. and Nimbalkar, S. (2022). “Performance improvement of ballasted railway tracks using three-dimensional cellular geoinclusions”, Geotextiles and Geomembranes, Vol. 50, No. 6, pp. 1061-1082.

53. Rao, P., Ouyang, P., Wu, J., Li, P., Nimbalkar, S. and Chen, Q. (2022). “Seismic stability of heterogeneous slopes with tensile strength cut-off using discrete-kinematic mechanism and a pseudo-static approach”, International Journal of Geomechanics, ASCE, Vol. 22, No. 12, pp. 04022228.

54. Rasouli, H., Fatahi, B. and Nimbalkar, S. (2022). “Re-liquefaction resistance of lightly cemented sands”, Canadian Geotechnical Journal, Vol. 59, No. 12, pp. 2085-2101.

55. Tao, G., Ouyang, Q., Lei, D., Chen, Q., Nimbalkar, S., Bai, L. and Zhu, Z. (2022). “NMR-based measurement of AWRC and prediction of shear strength of unsaturated soils”, International Journal of Geomechanics, ASCE, Vol. 22, No. 9, pp. 04022150.

56. Le, V. A, Nimbalkar, S., Zobeiry, N. and Malek, S. (2022). “An efficient multi-scale approach for viscoelastic analysis of woven composites under bending”, Composite Structures, Vol. 292 (July 2022), pp. 115698.

57. Rao, P., Ouyang, P., Nimbalkar, S., Chen, Q. Wu, Z. and Cu, J. (2022). “Analytical modelling of the mechanical damage of soil induced by lightning strikes capturing electro-thermal, thermo-osmotic, and electro-osmotic effects”, Journal of Mountain Science, Vol. 19, No. 7, pp. 2027-2043.

58. Sakhare, A., Farooq, H., Nimbalkar, S. and Dodagoudar, G. R. (2022) “Dynamic behavior of the transition zone of an integral abutment bridge” Special issue of Sustainability on "Reliable and Resilient Infrastructures for Sustainable Transport Systems", Vol. 14, No. 7, pp. 4118.

59. Punetha, P. and Nimbalkar, S. (2022). “Geotechnical rheological modeling of ballasted railway tracks considering the effect of principal stress rotation”, Canadian Geotechnical Journal, Vol. 59, No. 10, pp. 1793-1818.

60. Rao, P., Xiang, Y., Ouyang, P., Nimbalkar, S. and Chen, Q. (2022). “Finite element analysis of electro-thermal coupling of sandstone under lightning currents”, Geotechnical and Geological Engineering, Vol. 40, No. 1, pp. 2593–2604.

61. Wu, Z., Rao, P. Nimbalkar, S., Chen, Q., Cui, J. and Ouyang, P. (2022). “A semi-analytical solution for shock wave pressure and radius of soil plastic zone induced by lightning strikes”, Materials, Vol. 15, No. 6, pp. 2239.

62. Cui, J., Rao, P., Li, J., Chen, Q. and Nimbalkar, S. (2022). “Time-dependent evolution of bearing capacity of driven piles in clays”, Proceedings of the Institution of Civil Engineers – Geotechnical Engineering, Vol. 176, No. 4, pp. 402-418.

63. Rao, P., Ouyang, P., Nimbalkar, S., Chen, Q., Cui, J. and Wu, Z. (2022). “Mechanism analysis of rock failure process under high-voltage electro pulse: analytical solution and simulation”, Materials, Vol. 15, No. 6, pp. 2188.

64. Chen, Q., Guo, D., Ke, W., Xu, C. and Nimbalkar, S. (2022). “Novel open trench techniques in mitigating ground-borne vibrations due to traffic under a wide range of ground conditions”, International Journal of Geomechanics, ASCE, Vol. 22, No. 6, pp. 04022077.

65. Basack, S., Nimbalkar, S., Karakouzian, M., Bharadwaj, S., Xie, Z. and Krause, N. (2022). “Field installation effects of stone columns on load settlement characteristics of reinforced soft ground”, International Journal of Geomechanics, ASCE, Vol. 22, No. 4, pp. 04022004.

66. Rao, P., Wu, J., Jiang, G., Shi, Y., Chen, Q. and Nimbalkar, S. (2022). “Seismic stability analysis for a two-stage slope”, Geomechanics and Engineering, Vol. 27, No. 2, pp. 000-000. https://doi.org/10.12989/gae.2021.27.2.000.

67. Chen, Q., Yu, R., Li, Y., Tao, G. and Nimbalkar, S. (2021). “Cyclic stress-strain characteristics of calcareous sand improved by polyurethane foam adhesive”, Transportation Geotechnics, Vol. 31 (November 2021), pp. 100640.

68. Basack, S., Goswami, G. and Nimbalkar, S. (2021). “Analytical and numerical solutions to selected research problems in geomechanics and geohydraulics”, WSEAS Transactions on Applied and Theoretical Mechanics, Vol. 16, pp. 222-231. https://doi.org/10.37394/232011.2021.16.25.

69. Tao, G., Wang, Q., Chen, Q., Nimbalkar, S., Peng, Y. and Dong, H. (2021). “Simple graphical prediction of relative permeability of unsaturated soils under deformations”, Fractal and Fractional - Special Issue on 'Fractal and Fractional in Geomaterials', Vol. 5, No. 153, pp. 1-13. https://doi.org/10.3390/fractalfract5040153.

70. Rao, P., Wu, J., Chen, Q. and Nimbalkar, S. (2021). “Three-dimensional assessment of cracked slopes with pore water pressure using limit analysis”, Environmental Earth Sciences, Vol. 80, No. 645, pp. 1-13. https://doi.org/10.1007/s12665-021-09932-9.

71. Punetha, P., Nimbalkar, S. and Khabbaz, H. (2021). “Simplified geotechnical rheological model for simulating viscoelasto-plastic response of ballasted railway substructure”, International Journal for Numerical and Analytical Methods in Geomechanics, Vol. 45, No. 14, pp. 2019-2047.

72. Li, M., Chen, Q., Wen, K., Nimbalkar, S. and Dai, R. (2021). “Improved vacuum preloading method combined with sand sandwich structure for consolidation of dredged clay-slurry fill and original marine soft clay”, International Journal of Geomechanics, ASCE, Vol. 21, No. 10, pp. 04021182.

73. Farooq, M. A., Nimbalkar, S. and Fatahi, B. (2021). “Three dimensional finite element analyses of tire derived aggregates in ballasted and ballastless tracks”, Computers and Geotechnics, Special Issue “Advances in Geomechanics” in memory of Scott Sloan, Vol. 136 (August 2021), pp. 104220.

74. Punetha, P., Maharjan, K. and Nimbalkar, S. (2021). “Finite element modeling of the dynamic response of critical zones in a ballasted railway track”, Transportation and Transit Systems (specialty section of Frontiers in Built Environment), Vol. 7 (April 2021), pp. 660292.

75. Sun, Y., Sumelka, W., Gao, Y. and Nimbalkar, S. (2021). “Phenomenological fractional stress-dilatancy model for granular soil and soil-structure interface under monotonic and cyclic loads”, Acta Geotechnica, Vol. 16, No. 10, pp. 3115-3132.

76. Yang, G., Hu, X., Feng, Q. and Nimbalkar, S. (2021). “Laboratory and constitutive modelling of critical state behaviour of rockfill aggregates mixed with polymer”, ASTM Journal of Testing and Evaluation, Vol. 49, No. 6, pp. JTE20200588.

77. Chen, Q., Yu, R., Tao, G., Zhang, J. and Nimbalkar, S. (2021). “Shear behavior of polyurethane foam adhesive improved calcareous sand under large-scale triaxial testing”, Marine Georesources & Geotechnology (UMGT), Vol. 39, No. 12, pp. 1449-1458.

78. Chen, Q., Peng, W., Yu, R., Tao, G. and Nimbalkar, S. (2021). “Laboratory investigation on particle breakage characteristics of calcareous sands”, Advances in Civil Engineering, Vol. 2021, Article ID 8867741, pp. 1-6.

79. Chen, Q., Wan, P., Tao, G. and Nimbalkar, S. (2021). “Strength and deformation characteristics of calcareous sands improved by PFA”, KSCE Journal of Civil Engineering, Vol. 25, No. 1, pp. 60-69.

80. Jayawardane, V. S., Anggraini, V., Li-Shen, A. T., Paul, S. C. and Nimbalkar, S. (2020). “Strength enhancement of geotextile-reinforced fly ash based geopolymer residual soil”, International Journal of Geosynthetics and Ground Engineering, Vol. 6, No. 4, pp. 1-15. https://doi.org/10.1007/s40891-020-00233-y.

81. Nimbalkar, S., Pain, A. and Ramakrishna Annapareddy, V. S. (2020). “A strain dependent approach for seismic stability assessment of rigid retaining wall”, Geotechnical and Geological Engineering, Springer, The Netherlands, Vol. 38, No. 6, pp. 6041-6055.

82. Gokuldas, S., Banerjee, S. and Nimbalkar, S. (2020). “Effects of tunneling induced ground movements on stability of piled raft foundation: three-dimensional finite element approach”, International Journal of Geomechanics, ASCE, Vol. 20, No. 8, pp. 04020104-1-04020104-23.

83. Punetha, P., Nimbalkar, S. and Khabbaz, H. (2020). “Analytical evaluation of ballasted track substructure response under repeated train loads”, International Journal of Geomechanics, ASCE, Vol. 20, No. 7, pp. 04020093-1-04020093-17.

84. Meena, N. K., Nimbalkar, S., Fatahi, B. and Yang, G. (2020). “Effects of soil arching on behavior of pile supported railway embankment: 2D FEM approach”, Computers and Geotechnics, Vol. 123, No. 7 (July 2020), pp. 103601-1-103601-16.

85. Pain, A., Nimbalkar, S. and Hussain, M. (2020). “Applicability of Bouc-Wen model to capture asymmetric behaviour of sand at high cyclic shear strain”, International Journal of Geomechanics, ASCE, Vol. 20, No. 6, pp. 06020009-1-06020009-10.

86. Nimbalkar, S., Kolay, P. K. and Sun, Y. (2020). Preface (Editorial): Geotechnical Innovation for Transport Infrastructures, Transportation and Transit Systems (specialty section of Frontiers in Built Environment), Vol. 6, May 2020, pp. 1-2. https://doi.org/10.3389/fbuil.2020.00078.

87. Pardeshi, V., Nimbalkar, S. and Khabbaz, H. (2020). “Field assessment of gravel loss on unsealed roads in Australia”, Transportation and Transit Systems (specialty section of Frontiers in Built Environment) - Research Topic on ‘Geotechnical Innovation for Transport Infrastructures’ Ed. Nimbalkar, S., Kolay, P. K. & Sun, Y. Vol. 6, February 2020, pp. 1-11. https://doi.org/10.3389/fbuil.2020.00003.

88. Punetha, P., Nimbalkar, S. and Khabbaz, H. (2020). “Evaluation of additional confinement for three-dimensional geoinclusions under general stress state”, Canadian Geotechnical Journal, Vol. 57, No. 3, pp. 453-461.

89. Singh, R. P., Nimbalkar, S., Singh S. and Choudhury, D. (2020). “Field assessment of railway ballast degradation and mitigation using geotextile”, Geotextiles and Geomembranes, Vol. 48, No. 3, pp. 275-283.

90. Rasouli, H., Fatahi, B. and Nimbalkar, S. (2020). “Liquefaction and post-liquefaction assessment of lightly cemented sands”, Canadian Geotechnical Journal, Vol. 57, No. 2, pp. 173-188.

91. Yang, G., Jiang, Y., Nimbalkar, S., Sun, Y. and Li, N. (2019). “Influence of particle size distribution on the critical state of rockfill”, Advances in Civil Engineering, Article ID 8963971, pp. 1-7. https://doi.org/10.1155/2019/8963971.

92. Meena, N. K. and Nimbalkar, S. (2019). “Effect of water drawdown and dynamic loads on piled raft: two-dimensional finite element approach”, Infrastructures - Special Issue on ‘Seismic Resilient Infrastructures’, Vol. 4, No. 4, December 2019, pp. 1-15. https://doi.org/10.3390/infrastructures4040075.

93. Sun, Y. and Nimbalkar, S. (2019). “Stress-fractional soil model with reduced elastic region”, Soils and Foundations, Vol. 59, No. 6, pp. 2007-2023.

94. Dash, S. K., Saikia, R. and Nimbalkar, S. (2019). “Contact pressure distribution on subgrade soil underlying geocell reinforced foundation beds”, Transportation and Transit Systems (specialty section of Frontiers in Built Environment) - Research Topic on ‘Geosynthetics for Development of Transportation Infrastructures’ Ed. Dash, S. K., Vieira, C. S. & Cristelo, N., Vol. 5, November 2019, pp. 1-8. https://doi.org/10.3389/fbuil.2019.00137.

95. Yang, G., Yan, X., Nimbalkar, S. and Xu, J. (2019). “Effect of particle shape and confining pressure on breakage and deformation of artificial rockfill”, International Journal of Geosynthetics and Ground Engineering, Vol. 5, No. 2, pp. 1-10.

96. Rao, P., Zhao, L., Chen, Q. and Nimbalkar, S. (2019). “Three-dimensional limit analysis of slopes reinforced with piles in soils exhibiting heterogeneity and anisotropy in cohesion”, Soil Dynamics and Earthquake Engineering, Vol. 121, June 2019, pp. 194-199. https://doi.org/10.1016/j.soildyn.2019.02.030.

97. Jiang, Y. and Nimbalkar, S. (2019). “Finite element modelling of ballasted rail track capturing effects of geosynthetic inclusions”, Transportation and Transit Systems (specialty section of Frontiers in Built Environment) - Research Topic on ‘Geotechnical Innovation for Transport Infrastructures’ Ed. Nimbalkar, S., Kolay, P. K. & Sun, Y., Vol. 5, May 2019, pp. 1-11. https://doi.org/10.3389/fbuil.2019.00069.

98. Nimbalkar, S., Pain, A., Chen, Q. and Syed, M. A. (2019). “Stability assessment of earth retaining structures under static and seismic conditions”, Infrastructures - Special Issue on ‘Seismic Resilient Infrastructures’, Vol. 4, No. 2, April 2019, pp. 1-15. https://doi.org/10.3390/infrastructures4020015.

99. Nimbalkar, S., Punetha, P., Basack, S. and Mirzababaei, M. (2019). “Numerical analysis of piles subjected to torsional cyclic load”, Transportation and Transit Systems (specialty section of Frontiers in Built Environment) - Research Topic on ‘Geotechnical Innovation for Transport Infrastructures’ Ed. Nimbalkar, S., Kolay, P. K. & Sun, Y., Vol. 5, March 2019, pp. 1-10. https://doi.org/10.3389/fbuil.2019.00024.

100. Sun, Y., Nimbalkar, S. and Chen, C. (2019). “Particle breakage during sample preparation of granular materials”, Journal of Rock Mechanics and Geotechnical Engineering, Vol. 11, No. 2, pp. 417-422.

101. Rao, P., Zhao, L., Chen, Q. and Nimbalkar, S. (2019). “Three-dimensional slope stability analysis incorporating coupled effects of pile reinforcement and reservoir drawdown”, International Journal of Geomechanics, ASCE, Vol. 9, No. 4, pp. 06019002-1– 06019002-7.

102. Sun, Y., Nimbalkar, S. and Chen, C. (2018). “Grading and frequency dependence of the resilient modulus of ballast”, Géotechnique Letters, Vol. 18, No. 4, pp. 305-309.

103. Nimbalkar, S., Ramakrishna Annapareddy, V. S. and Pain, A. (2018). “A simplified approach to seismic stability of tailings dams”, Journal of Rock Mechanics and Geotechnical Engineering, 14 IACMAG Theme Issue, Vol. 10, No. 6, pp. 1082-1090.

104. Nimbalkar, S., Dash, S. K. and Indraratna, B. (2018). “Performance of ballasted track under impact loading and applications of recycled rubber inclusion”, Geotechnical Engineering Journal of the SEAGS & AGSSEA - Special Issue on ‘Geosynthetics for Infrastructure Development’, Vol. 49, No. 4, pp. 79-91.

105. Pain, A., Ramakrishna Annapareddy, V. S. and Nimbalkar, S. (2018). “Seismic active earth thrust on rigid retaining wall using strain dependent dynamic properties”, International Journal of Geomechanics, ASCE, Vol. 18, No. 12, pp. 06018034-1– 06018034-11.

106. Mirzababaei, M., Arulrajah, A., Haque, A., Nimbalkar, S. and Mohajerani, A. (2018). “Effect of fiber reinforcement on shear strength and void ratio change of soft clay”, Geosynthetics International, Vol. 25, No. 4, pp. 471-480.

107. Li, L., Nimbalkar, S. and Zhong, R. (2018). “Finite element model of ballasted railway with infinite boundaries considering effects of moving train loads and Rayleigh waves”, Soil Dynamics and Earthquake Engineering, Vol. 114, November 2018, pp. 147-153. https://doi.org/10.1016/j.soildyn.2018.06.033.

108. Chen, Q., Zhou, Y. and Nimbalkar, S. (2018). “Estimation of passive earth pressure against rigid retaining wall considering arching effect in cohesive-frictional backfill under translation mode”, International Journal of Geomechanics, ASCE Discussion and Closure, Vol. 18, No. 7, https://doi.org/10.1061/(ASCE)GM.1943-5622.0001241.

109. Basack, S. and Nimbalkar, S. (2018). “Measured and predicted response of pile groups in soft clay subjected to cyclic lateral loading”, International Journal of Geomechanics, ASCE, Vol. 18, No. 7, https://doi.org/10.1061/(ASCE)GM.1943-5622.0001188.

110. Zhang, L., Chen, Q., Gao, G., Nimbalkar, S. and Chiaro, G. (2018). “A new failure load criterion for large-diameter under-reamed piles: practical perspective”, International Journal of Geosynthetics and Ground Engineering, Vol. 4, No. 3, pp. 1-9.

111. Rao, P., Chen, Q., Nimbalkar, S. and Liu, Y. (2018). “Effect of water and salinity on soil behavior under lightning”, Environmental Geotechnics, Vol. 5, No. 1, pp. 56-62. https://doi.org/10.1680/jenge.15.00051.

112. Basack, S. and Nimbalkar, S. (2017). “Free strain analysis of the performance of vertical drains for soft soil improvement”, Geomechanics and Engineering, An International Journal, Vol. 13, No. 6, pp. 963-975.

113. Sun, Y., Chen, C. and Nimbalkar, S. (2017). “Identification of ballast grading for rail track”, Journal of Rock Mechanics and Geotechnical Engineering, Vol. 9, No. 5, pp. 945-954.

114. Pain, A., Chen, Q., Nimbalkar, S. and Zhou, Y. (2017). “Evaluation of seismic passive earth pressure of inclined rigid retaining wall considering soil arching effect”, Soil Dynamics and Earthquake Engineering, Vol. 100, September 2017, pp. 286-295. https://doi.org/10.1016/j.soildyn.2017.06.011.

115. Wang, J., Yang, G., Liu, H., Nimbalkar, S., Tang, X. and Yang, X. (2017). “Seismic response of concrete-rockfill combination dam using large-scale shaking table tests”, Soil Dynamics and Earthquake Engineering, Vol. 99, August 2017, pp. 9-19. https://doi.org/10.1016/j.soildyn.2017.04.015.

116. Rao, P., Chen, Q., Lin, L., Nimbalkar, S. and Cui, J. (2017). “Elastoplastic solution for spherical cavity expansion in modified cam-clay soil under drained condition”, International Journal of Geomechanics, ASCE, Vol. 17, No. 8, https://doi.org/10.1061/(ASCE)GM.1943-5622.0000925.

117. Basack, S. and Nimbalkar, S. (2017). “Numerical solution of single pile subjected to torsional cyclic load”, International Journal of Geomechanics, ASCE, Vol. 17, No. 8, https://doi.org/10.1061/(ASCE)GM.1943-5622.0000905.

118. Rao, P., Chen, Q., Nimbalkar, S. and Liu, Y. (2017). “Laboratory study on impulse current characteristics of clay”, Environmental Geotechnics, Vol. 4, No. 3, pp. 199-208. https://doi.org/10.1680/jenge.15.00027.

119. Indraratna, B., Sun, Y., Carter, J., Marchant, T. and Nimbalkar, S. (2017). “Application of fractional calculus in modelling ballast deformation under cyclic loading”, Computers and Geotechnics, Vol. 182, No. 2, pp. 16-30.

120. Cai, Y., Chen, Q., Zhou, Y., Nimbalkar S. and Yu, J. (2017). “Estimation of passive earth pressure against rigid retaining wall considering arching effect in cohesive-frictional backfill under translation mode”, International Journal of Geomechanics, ASCE, Vol. 17, No. 4, https://doi.org/10.1061/(ASCE)GM.1943-5622.0000786.

121. Shi, W., Chen, Q., Nimbalkar, S. and Liu, W. (2017). “A new mixing technique for solidifier and dredged fill in coastal area” Marine Georesources & Geotechnology (UMGT), Vol. 35, No. 1, pp. 52-61.

122. Indraratna, B., Nimbalkar, S. and Rujikiatkamjorn, C. (2016). “A critical review of rail track geotechnologies considering increased speeds and axle loads”, Geotechnical Engineering Journal of the SEAGS & AGSSEA, Vol. 47, No. 4, pp. 50-60.

123. Indraratna, B., Nimbalkar, S., Ngo, N. T. and Neville, T. (2016). “Performance improvement of rail track substructure using artificial inclusions – experimental and numerical studies”, Transportation Geotechnics - Special Issue on ‘Geosynthetics in Transportation Infrastructure’ , Vol. 8, No. 3, pp. 69-85.

124. Jiang, J, Chen, Q. and Nimbalkar, S. (2016). “Field data based method for predicting long-term settlements”, American Journal of Engineering and Applied Sciences, Vol. 9, No. 3, pp. 466-476.

125. Nimbalkar, S. and Indraratna, B. (2016). “Improved performance of ballasted rail track using geosynthetics and rubber shockmat”, Journal of Geotechnical & Geoenvironmental Engineering, ASCE, Vol. 142, No. 8, https://doi.org/10.1061/(ASCE)GT.1943-5606.0001491, 04016031.

126. Indraratna, B., Sun, Y. and Nimbalkar, S. (2016). “Laboratory assessment of the role of particle size distribution on the deformation and degradation of ballast under cyclic loading”, Journal of Geotechnical & Geoenvironmental Engineering, ASCE, Vol. 142, No. 7, https://doi.org/10.1061/(ASCE)GT.1943-5606.0001463, 04016016.

127. Chen, Q., Indraratna, B., Carter, J. and Nimbalkar, S. (2016). “Isotropic–kinematic hardening model for coarse granular soils capturing particle breakage and cyclic loading under triaxial stress space”, Canadian Geotechnical Journal, Vol. 53, No. 4, pp. 646-658.

128. Rao, P., Chen, Q., Zhou, Y., Nimbalkar, S. and Chirao, G. (2016). “Determination of active earth pressure on rigid retaining wall considering arching effect in cohesive backfill soil”, International Journal of Geomechanics, ASCE, Vol. 16, No. 3, https://doi.org/10.1061/(ASCE)GM.1943-5622.0000589.

129. Sun, Q. D., Indraratna, B. and Nimbalkar, S. (2016). “Deformation and degradation mechanisms of railway ballast under high frequency cyclic loading”, Journal of Geotechnical & Geoenvironmental Engineering, ASCE, Vol. 142, No. 1, https://doi.org/10.1061/(ASCE)GT.1943-5606.0001375, 04015056.

130. Tennakoon, N., Indraratna, B., Nimbalkar, S. and Sloan, S. W. (2015). “Application of bounding surface plasticity concept for clay-fouled ballast under drained loading”, Computers and Geotechnics, Vol. 70, No. 10, pp. 96-105.

131. Indraratna, B., Biabani, M. M. and Nimbalkar, S. (2015). “Behaviour of geocell reinforced subballast subjected to cyclic loading in plane strain condition”, Journal of Geotechnical & Geoenvironmental Engineering, ASCE Discussion and Closure, Vol. 141, No. 6, 07015028.

132. Indraratna, B., Biabani, M. M. and Nimbalkar, S. (2015). “Behaviour of geocell reinforced subballast subjected to cyclic loading in plane strain condition”, Journal of Geotechnical & Geoenvironmental Engineering, ASCE, Vol. 141, No. 1, pp. 04014081-1–04014081-16.

133. Indraratna, B., Sun, Q. D. and Nimbalkar, S. (2015). “Observed and predicted behaviour of rail ballast under monotonic loading capturing particle breakage”, Canadian Geotechnical Journal, Vol. 52, No. 1, pp. 73-86.

134. Cassidy, M. J., Gaudin, C., Bates, L., Indraratna, B., Nimbalkar, S., O'Loughlin, C. D., White, D. J. and Sloan, S. W. (2014). “Advancing Australia’s facilities for physical modelling in Geotechnics”, Australian Geomechanics Journal - Special Edition: ’ARC Centre of Excellence for Geotechnical Science and Engineering', Vol. 49, No. 4, pp. 3-12.

135. Indraratna, B., Navaratnarajah, S. K., Nimbalkar, S. and Rujikiatkamjorn, C. (2014). “Use of shock mats for enhanced stability of railroad track foundation”, Australian Geomechanics Journal - Special Edition: ’ARC Centre of Excellence for Geotechnical Science and Engineering', Vol. 49, No. 4, pp. 101-111.

136. Indraratna, B., Nimbalkar, S., Navaratnarajah, S. K., Rujikiatkamjorn, C. and Neville, T. (2014). “Use of shock mats for mitigating degradation of railroad ballast”, Sri Lankan Geotechnical Society (SLGS) Journal - Special Issue on ’Ground Improvement', Vol. 6, No. 1, pp. 32-41.

137. Indraratna, B., Nimbalkar, S. and Rujikiatkamjorn, C. (2014). Preface (Editorial): Transportation Geotechnics - Special Issue on ’Rail Geomechanics - From Theory to Practice’, Vol. 1, No. 4, pp. 145-146.

138. Indraratna, B., Nimbalkar, S. and Rujikiatkamjorn, C. (2014). “From theory to practice in track geomechanics - Australian perspective for synthetic inclusions”, Transportation Geotechnics - Special Issue on ‘Rail Geomechanics - From Theory to Practice’, Vol. 1, No. 4, pp. 171-187.

139. Sun, Q. D., Indraratna, B. and Nimbalkar, S. (2014). “Effect of cyclic loading frequency on the permanent deformation and degradation of railway ballast”, Géotechnique, Vol. 64, No. 9, pp. 746-751.

140. Sun, Y., Indraratna, B. and Nimbalkar, S. (2014). “Three-dimensional characterisation of particle size and shape for ballast”, Géotechnique Letters, Vol. 4, No. 3, pp. 197-202.

141. Indraratna, B., Nimbalkar, S., Coop, M. and Sloan, S. W. (2014). “A constitutive model for coal-fouled ballast capturing the effects of particle degradation”, Computers and Geotechnics, Vol. 61, No. 9, pp. 96-107.

142. Remennikov, A. M., Mutton, V., Nimbalkar, S. and Ren, T. (2014). “Experimental and numerical investigation of high-yield grout ore pass plugs to resist impact loads”, International Journal of Rock Mechanics & Mining Sciences, Vol. 70, September 2014, pp. 1-15 ISSN 1365-1609, https://doi.org/10.1016/j.ijrmms.2014.03.010.

143. Indraratna, B., Nimbalkar, S. and Rujikiatkamjorn, C. (2014). “Modernisation of rail tracks for higher speeds and greater freight”, International Journal of Railway Technology, Vol. 2, No. 3, pp. 1-20.

144. Indraratna, B., Nimbalkar, S. and Rujikiatkamjorn, C. (2014). “Enhancement of rail track performance through utilisation of geosynthetic inclusions”, Geotechnical Engineering Journal of the SEAGS & AGSSEA, Vol. 45, No. 1, pp. 17-27.

145. Indraratna, B., Nimbalkar, S. and Neville, T. (2013). “Performance assessment of reinforced ballasted rail track”, Proceedings of the Institution of Civil Engineers – Ground Improvement 'ICGI - 2012 Theme Issue', Vol. 167, No. 1, pp. 24-34.

146. Indraratna, B. and Nimbalkar, S. (2013). “Stress-strain degradation response of railway ballast stabilized with geosynthetics”, Journal of Geotechnical & Geoenvironmental Engineering, ASCE Discussion and Closure, Vol. 139, No. 12, pp. 2233-2233.

147. Indraratna, B. and Nimbalkar, S. (2013). “Stress-strain degradation response of railway ballast stabilized with geosynthetics”, Journal of Geotechnical & Geoenvironmental Engineering, ASCE, Vol. 139, No. 5, pp. 684-700.

148. Indraratna, B., Tennakoon, N., Nimbalkar, S. and Rujikiatkamjorn, C. (2013). “Behaviour of clay fouled ballast under drained triaxial testing”, Géotechnique, Vol. 63, No. 5, pp. 410-419.

149. Indraratna, B., Nimbalkar, S. and Rujikiatkamjorn, C. (2012). “Track stabilisation with geosynthetics and geodrains, and performance verification through field monitoring and numerical modelling”, International Journal of Railway Technology, Vol. 1, No. 1, pp. 195-219.

150. Tennakoon, N., Indraratna, B., Rujikiatkamjorn, C., Nimbalkar, S. and Neville, T. (2012). “The role of ballast fouling characteristics on the drainage capacity of rail substructure”, ASTM Geotechnical Testing Journal, Vol. 35, No. 4, pp. 1-12.

151. Nimbalkar, S., Indraratna, B., Dash, S. K. and Christie, D. (2012). “Improved performance of railway ballast under impact loads using shock mats”, Journal of Geotechnical & Geoenvironmental Engineering, ASCE, Vol. 138, No. 3, pp. 281-294.

152. Indraratna, B., Nimbalkar, S., Christie, D., Rujikiatkamjorn, C. and Vinod, J. S. (2010). “Field assessment of the performance of a ballasted rail track with and without geosynthetics”, Journal of Geotechnical & Geoenvironmental Engineering, ASCE, Vol. 136, No. 7, pp. 907-917.

153. Choudhury, D. and Nimbalkar, S. (2008). “Seismic rotational displacement of gravity walls by pseudo-dynamic method”, International Journal of Geomechanics, ASCE, Vol. 8, No. 3, pp. 169-175.

154. Nimbalkar, S. and Choudhury, D. (2008). “Effects of body waves and soil amplification on seismic earth pressures”, Journal of Earthquake and Tsunami, Vol. 2, No. 1, pp. 33-52.

155. Nimbalkar, S. and Choudhury, D. (2008). "Seismic design of retaining wall considering wall-soil inertia for active case", International Journal of Geotechnical Engineering, Vol. 2, No. 4, pp. 317-326.

156. Choudhury, D. and Nimbalkar, S. (2007). “Seismic rotational displacement of gravity walls by pseudo-dynamic method: passive case”, Soil Dynamics and Earthquake Engineering, Vol. 27, No. 3, pp. 242-249.

157. Nimbalkar, S. and Choudhury, D. (2007). “Sliding stability and seismic design of retaining wall by pseudo-dynamic method for passive case”, Soil Dynamics and Earthquake Engineering, Vol. 27, No. 6, pp. 497-505.

158. Choudhury, D., Nimbalkar, S. and Mandal, J. N. (2007). “External stability of reinforced soil-walls under seismic conditions”, Geosynthetics International, Vol. 14, No. 4, pp. 1-8.

159. Choudhury, D. and Nimbalkar, S. (2006). “Pseudo-dynamic approach of seismic active earth pressure behind retaining wall” Geotechnical and Geological Engineering, Vol. 24, No. 5, pp. 1103-1113.

160. Nimbalkar, S., Choudhury, D. and Mandal, J. N. (2006). Reply to discussion on “Seismic stability of reinforced soil-wall by pseudo-dynamic method”, Geosynthetics International, Vol. 13, No. 6, pp. 277-278.

161. Nimbalkar, S., Choudhury, D. and Mandal, J. N. (2006). “Seismic stability of reinforced soil-wall by pseudo-dynamic method”, Geosynthetics International, Vol. 13, No. 3, pp. 111-119.

162. Choudhury, D. and Nimbalkar, S. (2006). Reply to discussion on “Seismic passive resistance by pseudo-dynamic method”, Géotechnique, Vol. 56, No. 7, pp. 517-520.

163. Choudhury, D. and Nimbalkar, S. (2005). “Seismic passive resistance by pseudo-dynamic method”, Géotechnique, Vol. 55, No. 9, pp. 699-702.

2. Refereed National Journals 

1. Nimbalkar, S., Punetha, P., Farooq, M. A., Meena, N. K. and Farooq, H. (2024). “Innovative approaches for addressing challenges in high-speed railway geotechnics”, Special Issue of the ISET Journal of Earthquake Technology, (Submitted, under review).

2. Rai, R. K., Tingre, A. R., and Nimbalkar, S. (2015). “Study of fluoridation and defluoridation for ground waters inner Taluqa”, Journal of the Institution of Public Health Engineers, India, Vol. 2015-16, No. 2, pp. 53-58.

3. Choudhury, D., Nimbalkar, S. and Mandal, J. N. (2006). “Comparison of pseudo-static and pseudo-dynamic methods for seismic earth pressures on retaining wall”, Journal of Indian Geophysical Union, India, Vol. 10, No. 4, pp. 263-271.

4. Mandal, J. N. and Nimbalkar, S. (1999). “Geofoam geosynthetics”, Indian Textile Journal, Vol. CIX, No. 9, June, pp. 26-49.

3. International Conference Proceedings

1. Punetha, P. and Nimbalkar, S. (2025). “Numerical modeling of unbound granular pavements under moving loads”, Proceedings of the 17th international conference of the International Association for Computer Methods and Advances in Geomechanics" (IACMAG 2025), Hong Kong Polytechnic University, Hong Kong, December 18 - 21, 2025, (paper accepted).

2. Theme Paper: Nimbalkar, S., Punetha, P., Farooq, M. A., Meena, N. K. and Farooq, H. (2024). “Innovative approaches for addressing challenges in high-speed railway geotechnics”, Proceedings of the 8th International Conference on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics (8ICRAGEE), IIT Guwahati, INDIA, December 11-14, 2024, pp. 1-19 (Paper Submitted).

3. Meena, N. K. and Nimbalkar, S. (2024). “Seismic assessment of soil arching in a pile-supported embankment: numerical analysis”, Proceedings of the 15th Australia and New Zealand Young Geotechnical Professionals Conference (YGPC-2024), Adelaide, South Australia, November 6-9, 2024, pp. 1-6 (in CD).

4. Farooq, H., Nimbalkar, S., and Sheng, D. (2024). "Seismic stability of ballasted and ballastless railway tracks", Australian Earthquake Engineering Society (AEES) Annual Conference, Adelaide, Australia, November 21-23, 2024 (Paper Submitted).

5. Theme Paper: Nimbalkar, S., Punetha, P., Meena, N. K., and Farooq, M. A. (2024). “Recent Advances in Computational Methods, Predictions, and Applications to Critical Zones in Railways”, Proceedings of the 5th International Conference on Transportation Geotechnics (ICTG 2024), Sydney, Australia, November 20-22, 2024 (Accepted, in press). 

6. Soundararajan, S., Raychowdhury, P. and Nimbalkar, S. (2024). “Performance assessment of existing railway track subjected to varying train speed”, Proceedings of the 5th International Conference on Transportation Geotechnics (ICTG 2024), Sydney, Australia, November 20-22, 2024 (Accepted, in press).

7. Punetha, P., and Nimbalkar, S. (2024). “Three-dimensional finite element modelling of sealed and unsealed roads considering effects of moving wheel loads”, Proceedings of the 5th International Conference on Transportation Geotechnics (ICTG 2024), Sydney, Australia, November 20-22, 2024 (Accepted, in press).

8. Keynote Paper: Nimbalkar, S., Farooq, M. A., Punetha, P. and Meena, N. K. (2024). “Computational Models and Applications in Railway Geotechnics”, Proceedings of the 10th International Conference on Transportation System Engineering and Management (CTSEM 2024), VNIT Nagpur, India, July 19-20, 2024, pp. 1-10 (in CD).

9. Chandanshree, N. S., Anitha Kumari, S. D., and Nimbalkar, S. (2024). "Physical and Mechanical Characterization of Recycled Concrete Aggregates (RCA) as Compacted Fill in Road Pavement", Proceedings of the International Conference on Construction Resources for Environmentally Sustainable Technologies (IC-CREST 2023), Part of the book series: Lecture Notes in Civil Engineering (LNCE, Vol. 448), Kyushu University, Fukuoka, Japan, November 20-22, 2023, pp. 233-244.

10. Farooq, H., Nimbalkar, S., and Sheng, D. (2022). "Reinforced Earth Retaining Structures for Transport Applications", Proceedings of the 7th Asian Regional Conference on Geosynthetics (GeoAsia7) and IGS First Young Engineers Conference, Tapei, Taiwan, October 31-November 04, 2022 (Abstract Submitted).

11. Meena, N. K., Nimbalkar, S., and Fatahi, B. (2020). “Finite element analysis of soil arching in piled embankment”, Proceedings of the 16th International Conference of International Association for Computer Methods and Advances in Computational Mechanics (IACMAG 2020), Torino, Italy, July 1-4, 2020 (Abstract Submitted).

12. Nimbalkar, S., and Punetha, P. (2020). “Performance improvement of ballasted railway tracks for high-speed rail operations”, Proceedings of the 16th International Conference of International Association for Computer Methods and Advances in Computational Mechanics (IACMAG 2020), Torino, Italy, July 1-4, 2020 (Abstract Submitted).

13. Punetha, P., and Nimbalkar, S. (2020). “Prediction of additional confinement provided by cellular inclusion under three-dimensional stress state”, Proceedings of the 16th International Conference of International Association for Computer Methods and Advances in Computational Mechanics (IACMAG 2020), Torino, Italy, July 1-4, 2020 (Paper Submitted).

14. Vizcarra, G., Muniz, L., Gonçalves, T., and Nimbalkar, S. (2020). “Railway subgrade characterization through repeated loading triaxial testing”, Proceedings of the 4th International Conference on Transportation Geotechnics (ICTG 2020), Chicago, USA, August 30- September 02, 2020 (Accepted, in press).

15. Punetha, P., Nimbalkar, S., and Khabbaz, H. (2020). “Mathematical modeling of the long-term performance of railway track under train induced loading”, Proceedings of the 4th International Conference on Transportation Geotechnics (ICTG 2020), Chicago, USA, August 30-September 02, 2020 (Accepted, in press).

16. Keynote Lecture: Nimbalkar, S. (2020). “Past, present and future trends in high speed railway infrastructure” Proceedings of the Fourth International Conference on “Advances in Civil and Structural Engineering” (ICACSE – 2020), May 28-29, 2020, Government College of Engineering Karad, India (in CD).

17. Meena, N. K., and Nimbalkar, S. (2019). “Seismic assessment of soil arching in piled embankment using finite element approach”, Proceedings of the Fourth Australasian Conference on Computational Mechanics (ACCM-4), Hobart, Australia, November 27-29, 2019, pp. 1-11 (in CD).

18. Pardeshi, V., and Nimbalkar, S. (2019). “Visual inspection based maintenance strategy on unsealed road network in Australia”, Proceedings of the International Congress and Exhibition on "Sustainable Civil Infrastructures: Beyond the Horizon" (GeoMEast 2019), Cairo, Egypt, November 10-14, 2019, pp. 92-103.

19. Meena, N. K., Nimbalkar, S., and Fatahi, B. (2019). “Finite element modeling of soil arching in pile supported embankment: 2D approach”, Proceedings of the International Congress and Exhibition on "Sustainable Civil Infrastructures: Beyond the Horizon" (GeoMEast 2019), Cairo, Egypt, November 10-14, 2019, pp. 40-50.

20. Pardeshi, V., Nimbalkar, S., and Khabbaz, H. (2019). “Theoretical and experimental assessment of gravel loss on unsealed roads in Australia”, Proceedings of the International Conference on Sustainable Civil Engineering Practices (ICSCEP 2019), Chandigarh, India, July 19-20, 2019, pp. 1-10 (in CD).

21. Basack, S., Nimbalkar, S., Goswami, G., and Deka, P. (2019). “Experimental and numerical assessment of cyclic lateral loads applied to pile groups in soft clay”, Symposium of the International Association for Computer Methods and Advances in Geomechanics (IACMAG 2019), IIT Gandhinagar, India, March 5-7, 2019, pp. 1-10 (in CD).

22. Indraratna, B., Ngo, N. T., Nimbalkar, S. and Rujikiatkamjorn, C. (2018). “Two decades of advancement in process simulation testing of ballast - strength, deformation, and degradation”, Symposium on Railroad Ballast Testing and Properties American Society for Testing Methods (ASTM-STP1605), Illinois, USA, January 24, 2018, pp. 1-20 (in CD).

23. Vizcarra, G., Nimbalkar, S., Casagrande, M. and Velloso, R. (2017). “Discrete element modelling of compression test on coarse granular aggregates used in railroad”, Proceedings of the 15th International Conference of International Association for Computer Methods and Advances in Computational Mechanics (IACMAG 2017), Wuhan China, October 19-23, 2017, pp. 1-9 (Paper ID 721 in CD).

24. Nimbalkar, S. and Pain, A. (2017). “Seismic stability assessment of tailing dam considering influence of frequency of harmonic excitation and dynamic properties of rockfill”, Proceedings of the 15th International Conference of International Association for Computer Methods and Advances in Computational Mechanics (IACMAG 2017), Wuhan, China, October 19-23, 2017, pp. 1-9 (Paper ID 595 in CD).

25. Basack, S. and Nimbalkar, S. (2017). “Numerical modeling on torsional cyclic response of pile foundation”, Proceedings of the 15th International Conference of International Association for Computer Methods and Advances in Computational Mechanics (IACMAG 2017), Wuhan, China, October 19-23, 2017, pp. 1-8 (Paper ID 531 in CD).

26. Vizcarra, G., Casagrande, M. and Nimbalkar, S. (2017). “DEM three-dimensional modeling of triaxial testing on railway ballast”, Proceedings of the 19th International Conference on Soil Mechanics and Geotechnical Engineering (ICSMGE), Seoul, South Korea, September 17-22, 2017, pp. 1443-1446.

27. Nimbalkar, S. and Indraratna, B. (2016). “In-situ performance assessment of ballasted railway track stabilised using geosynthetics and shock mats”, Proceedings of the 5th International Conference on Geotechnical and Geophysical Site Characterisation (ISC'5), Gold Coast, Queensland, Australia, September 5-9, 2016, pp. 1-10 (in CD).

28. Nimbalkar, S., Indraratna, B. and Mahdi, B. (2016). “Deformation and degradation of railroad granular layers under high frequency cyclic loading and benefits of using geosynthetics”, Proceedings of the Geo-Chicago 2016: Sustainability, Energy, and the Geoenvironment, Chicago, August 14-18, 2016, pp. 222-232.

29. Nimbalkar, S. and Indraratna, B. (2016). “Field assessment of ballasted railroads using geosynthetics and shock mats”, Proceedings of the 3rd International Conference on Transportation Geotechnics (ICTG 2016), Guimarães, Portugal, September 04-07, 2016, pp. 1485-1494.

30. Vizcarra, G., Nimbalkar, S. and Casagrande, M. (2016). “Modeling triaxial behaviour of railway ballast in prismoidal apparatus using discrete element method”, 3rd International Conference on Transportation Geotechnics (ICTG 2016), Guimarães, Portugal, September 04-07, 2016, pp. 1177-1184.

31. Navaratnarajah, S. K., Indraratna, B., Nimbalkar, S. (2016). “Application of shock mats in rail track foundation subjected to dynamic loads”, Proceedings of the 3rd International Conference on Transportation Geotechnics (ICTG 2016), Guimarães, Portugal, September 04-07, 2016, pp. 1108-1119.

32. Mahdi, B., Indraratna, B. and Nimbalkar, S. (2016). “Assessment of interface shear behaviour of sub-ballast with geosynthetics by large-scale direct shear test”, Proceedings of the 3rd International Conference on Transportation Geotechnics (ICTG 2016), Guimarães, Portugal, September 04-07, 2016, pp. 1007-1015.

33. Sun, Q. D., Indraratna, B. and Nimbalkar, S. (2016). “An elasto-plastic method for analysing the deformation of the railway ballast”, 3rd International Conference on Transportation Geotechnics (ICTG 2016), Guimarães, Portugal, September 04-07, 2016, pp. 954-960.

34. Indraratna, B. and Nimbalkar, S. (2016). “Improved behaviour of railway track substructure using 2D (planar) and 3D (cellular) geo-inclusions”, Proceedings of the Conference on Railway Engineering (CORE 2016), Melbourne, Australia, May 16-18, 2016, pp. 1-10 (in CD).

35. Nimbalkar, S. and Indraratna, B. (2016). “Optimum use of flexible geo-inclusions for enhancing the performance of granular embankments: laboratory and numerical assessment”, Proceedings of the 19th Southeast Asian Geotechnical & 2nd AGSSEA Conference (19SEAGC & 2AGSSEA), Deep Excavation and Ground Improvement, Subang Jaya, Malaysia, 31 May – 3 June 2016, pp. 511-516.

36. Indraratna, B., Nimbalkar, S. and Rujikiatkamjorn, C. (2016). “Advancements in rail track geotechnology at increased speeds and axle loads”, Proceedings of the 19th Southeast Asian Geotechnical & 2nd AGSSEA Conference (19SEAGC & 2AGSSEA), Deep Excavation and Ground Improvement, Subang Jaya, Malaysia, 31 May – 3 June 2016, pp. 73-82.

37. Sun, Q. D., Indraratna, B. and Nimbalkar, S. (2016). “The deformation and degradation of granular material under high frequency cyclic loading”, Proceedings of the Geotechnical and Structural Engineering Congress (GeoSei 2016), Phoenix, Arizona, February 14-17, 2016, pp. 1700-1707.

38. Indraratna, B., Sun, Q. D. and Nimbalkar, S. (2015). “A critical state based constitutive model for ballast incorporating particle breakage”, Proceedings of the XV Panamerican Conference on Soil Mechanics and Geotechnical Engineering, Buenos Aires, Argentina, November 15-18, 2015, pp. 1232-1239.

39. Mahdi, B., Indraratna, B. and Nimbalkar, S. (2015). “Behaviour of geocell reinforced sub-ballast under cyclic loading”, Proceedings of the XV Panamerican Conference on Soil Mechanics and Geotechnical Engineering, Buenos Aires, Argentina, November 15-18, 2015, pp. 109-119.

40. Vizcarra, G., Nimbalkar, S., Indraratna, B. and Casagrande, M. (2015). “Modeling compression test on railway ballast using discrete element method”, 44th Annual Meeting of Paving, Brazil, August 18-21, 2015, pp. 1-11 (in CD, Portuguese).

41. Indraratna, B., Navaratnarajah, S. K., Nimbalkar, S., Neville, T. and Rujikiatkamjorn, C. (2015). “Performance monitoring: case studies of tracks stabilised by geosynthetic grids and prefabricated vertical drains”, Ninth International Symposium on Field measurements in Geomechanics, Sydney, Australia, September 9-11, 2015, pp. 106-111 (Figures in CD).

42. Indraratna, B., Rujikiatkamjorn, C., Nimbalkar, S., Zhong, R. and McIntosh, G. (2015). “Ground improvement for enhancing the performance of road, rail, and port infrastructure”, Proceedings of the International Conference in Geotechnical Engineering (ICGE 2015), organized by the Sri Lankan Geotechnical Society (SLGS), Colombo, August 10-11, 2015, pp. 15-43.

43. Jayasuriya, C., Indraratna, B. and Nimbalkar, S. (2015). “Analysis of the performance of under sleeper pads - a critical review”, Proceedings of the International Conference in Geotechnical Engineering (ICGE 2015), organized by the Sri Lankan Geotechnical Society (SLGS), Colombo, August 10-11, 2015, pp. 601-604.

44. Tennakoon, N., Indraratna, B. and Nimbalkar, S. (2015). “Effect of plastic fines on drainage capacity of ballasted rail track”, Proceedings of the International Conference in Geotechnical Engineering (ICGE 2015), organized by the Sri Lankan Geotechnical Society (SLGS), Colombo, August 10-11, 2015, pp. 613-616.

45. Navaratnarajah, S. K., Indraratna, B. and Nimbalkar, S. (2015). “Performance of rail ballast stabilized with resilient rubber pads under cyclic and impact loading”, Proceedings of the International Conference in Geotechnical Engineering (ICGE 2015), organized by the Sri Lankan Geotechnical Society (SLGS), Colombo, August 10-11, 2015, pp. 617-620.

46. Mahdi, B., Indraratna, B. and Nimbalkar, S. (2015). “Improved performance of subballast stabilized using geocell for high speed train”, Proceedings of the 4th International Conference on Recent Advances in Railway Engineering (ICRARE 2015), Railway Track & Structures chapter, May 17-18, 2015, Tehran, Iran, pp. 1-10 (in CD).

47. Indraratna, B. and Nimbalkar, S. (2015). “Recent advances in railroad infrastructure and track performance - Australian experience”, Proceedings of the 12th Australia - New Zealand Conference on Geomechanics: Changing the Face of the Earth (ANZ 2015), February 22-25, 2015, Wellington, New Zealand, pp. 1-8 (in CD).

48. Nimbalkar, S. and Indraratna, B. (2015). “Implications of ballast degradation under cyclic loading”, Proceedings of the 12th Australia - New Zealand Conference on Geomechanics: Changing the Face of the Earth (ANZ 2015), February 22-25, 2015, Wellington, New Zealand, pp. 1-8 (in CD).

49. Vizcarra, G., Nimbalkar, S., Indraratna, B. and Casagrande, M. (2014). “Effect of particle size distribution on railroad ballast deformation and breakage” Proceedings of XVII Brazilian Congress of Soil Mechanics and Geotechnical Engineering (COBRAMSEG 2014), Goiania, Brasil, 9-13 September 2014, pp. 1-6.

50. Nimbalkar, S. and Indraratna, B. (2014). “Numerical and analytical modeling of particle degradation”, Proceedings of the 14th International Conference of International Association for Computer Methods and Advances in Computational Mechanics (IACMAG 2014), Kyoto, Japan, September 22-25, 2014, Oka, Murakami, Uzuoka & Kimoto (Eds.), Taylor & Francis Group, London, pp. 261-266.

51. Indraratna, B., Nimbalkar, S., Rujikiatkamjorn, C. and Heitor, A. (2014). “Ground improvement in transport geotechnics - from theory to practice”, Proceedings of the 14th International Conference of International Association for Computer Methods and Advances in Computational Mechanics (IACMAG 2014), Kyoto, Japan, September 22-25, 2014, Oka, Murakami, Uzuoka & Kimoto (Eds.), Taylor & Francis Group, London, pp. 35-44.

52. Indraratna, B., Rujikiatkamjorn, C. and Nimbalkar, S. (2014). “Ground improvement for rail, port and road, infrastructure - from theory to practice”, Proceedings of the International Conference on Geotechnical Engineering (Geoshanghai 2014), Shanghai, China, May 26-28, 2014, Ground Improvement and Geosynthetics GSP 238 edited by Jie Han, Anand Puppala, Shui-Long Shen, Sadik Oztoprak and Jie Huang, pp. 1-19.

53. Indraratna, B., Nimbalkar, S. and Rujikiatkamjorn, C. (2014). “Modernisation of rail tracks for higher speeds and greater freight”, Proceedings of the Second International Conference on Railway Technology: Research, Development and Maintenance (Railway 2014), Ajaccio, Corsica, France April 8-11, 2014, pp. 1-20 (in CD).

54.  Tennakoon, N., Indraratna, B. and Nimbalkar, S. (2014). “Impact of ballast fouling on rail tracks”, Proceedings of the Second International Conference on Railway Technology: Research, Development and Maintenance (Railway 2014): Special Session RW2014-S05: 'Rail Track Geotechnology', Ajaccio, Corsica, France April 8-11, 2014, pp. 1-11 (in CD).

55. Indraratna, B., Tennakoon, N. and Nimbalkar, S. (2013). “Geotechnical characteristics governing the behaviour of fresh and fouled ballast in rail tracks”, Proceedings of the 18th International Conference on Soil Mechanics and Geotechnical Engineering (ICSMGE), TC 202 Workshop on Transportation Geotechnics, September 4-5, 2013, Paris, France (Accepted, in press).

56. Indraratna, B., Nimbalkar, S., Rujikiatkamjorn, C., Neville, T. and Christie, D. (2013). “Performance assessment of synthetic shock mats and grids in the improvement of ballasted tracks”, Proceedings of the 18th International Conference on Soil Mechanics and Geotechnical Engineering (ICSMGE), September 2-5, 2013, Paris, France, pp. 1283-1286.

57. Indraratna, B., Tennakoon, N., Nimbalkar, S. and Rujikiatkamjorn, C. (2013). “Effects of fouling on stress-strain-degradation behaviour of rail ballast”, Proceedings of the 18th Southeast Asian Geotechnical & Inaugural AGSSEA Conference (18SEAGC & 1AGSSEA), May 29 – 31, 2013, Singapore Leung, Goh & Shen (eds), pp. 587-592.

58. Indraratna, B., Nimbalkar, S., Tennakoon, N. and Sun Q. D. (2013). “From theory to practice in rail geotechnology”, Proceedings of the Ninth International Conference on the Bearing Capacity of Roads, Railways and Airfields (BCRRA 2013), June 25-27, 2013, Trondheim, Norway, pp. 1-20.

59. Indraratna, B., Nimbalkar, S. and Rujikiatkamjorn, C. (2013). “Performance appraisal of ballasted rail track stabilised by geosynthetic reinforcement and resilient mats”, Proceedings of the Seventh International Conference on Case Histories in Geotechnical Engineering and Symposium in Honor of Clyde Baker (7ICCHGE), May 1-4, 2013, Chicago, Illinois, USA, Paper No. SOAP-4, pp. 1-20.

60. Indraratna, B., Nimbalkar, S., Anantanasakul, P., Rujikiatkamjorn, C. and Neville, T. (2013). “Performance monitoring of rail tracks stabilized by geosynthetics and shock mats: case studies at Bulli and Singleton in Australia”, Stability and Performance of Slopes and Embankments III (GeoCongress 2013), March 3-6, 2013, San Diego, California, pp. 19-33.

61. Indraratna, B., Nimbalkar, S. and Rujikiatkamjorn, C. (2012). “Frontier technologies in design and construction for sustainable transport infrastructure”, Proceedings of the International Conference on Sustainable Built Environment, December 14-16, 2012, Kandy, Sri Lanka, pp. 1-14.

62. Anantanasakul, P., Indraratna, B., Nimbalkar, S. and Neville, T. (2012). “Effects of geosynthetic reinforcement on performance of ballasted rail track”, Proceedings of the International Conference on Ground Improvement and Ground Control (ICGI 2012), October 30-November 2, 2012, University of Wollongong, Australia, pp. 937-943.

63. Tennakoon, N., Indraratna, B., Nimbalkar, S. and Rujikiatkamjorn, C. (2012). “Deformation and degradation of clay fouled ballast subjected to monotonic loading”, Proceedings of the International Conference on Ground Improvement and Ground Control (ICGI 2012), October 30-November 2, 2012, University of Wollongong, Australia, pp. 1521-1527.

64. Indraratna, B., Nimbalkar, S. and Rujikiatkamjorn, C. (2012). “Future of Australian rail tracks capturing higher speeds with heavier freight”, Sixteenth annual Symposium of Australian Geomechanics Society, Advances in Geotechnics of Roads and Railways, Sydney Chapter, October 10, 2012, Sydney, Australia, pp. 1-24.

65. Anantanasakul, P., Indraratna, B., Nimbalkar, S. and Neville, T. (2012). “Monitoring of ballasted rail track with geosynthetic reinforcement”, Proceedings of the Conference on Railway Engineering (CORE 2012), September 10-12, 2012, Brisbane, Australia, pp. 367-374.

66. Indraratna, B., Nimbalkar, S., Martin, M., Neville, T. and Rujikiatkamjorn, C. (2012). “State-of-the-art design aspects of ballasted rail tracks incorporating particle breakage, fouling, and the benefits of geosynthetic reinforcement”, Proceedings of the Conference on Railway Engineering (CORE 2012), September 10-12, 2012, Brisbane, Australia, pp. 375-384.

67. Nimbalkar, S., Indraratna, B., Rujikiatkamjorn, C. and Martin, M. (2012). “Effect of coal fines on the shear strength and deformation characteristics of ballast”, Proceedings of the 11th Australia - New Zealand Conference on Geomechanics: Ground Engineering in a Changing World (ANZ 2012), July 15-18, 2012, Melbourne, Australia, pp. 451-456.

68. Tennakoon, N., Indraratna, B., Rujikiatkamjorn, C. and Nimbalkar, S. (2012). “Assessment of ballast fouling and its implications on track drainage”, Proceedings of the 11th Australia - New Zealand Conference on Geomechanics: Ground Engineering in a Changing World (ANZ 2012), July 15-18, 2012, Melbourne, Australia, pp. 421-426.

69. Anantanasakul, P., Indraratna, B., Nimbalkar, S. and Neville, T. (2012). “Field monitoring of performance of ballasted rail track with geosynthetic reinforcement”, Proceedings of the 11th Australia - New Zealand Conference on Geomechanics: Ground Engineering in a Changing World (ANZ 2012), 15-18 July 2012, Melbourne, Australia, pp. 241-246.

70. Indraratna, B., Nimbalkar, S. and Rujikiatkamjorn, C. (2012). “Stabilising railway embankments with geosynthetic grids and drains and a class A prediction of track behavior”, International Symposium on Sustainable Geosynthetics and Green Technology for Climate Change, Bergado, D.T. (Eds), June 20-21, 2012, Bangkok, Thailand, pp. 21-40.

71. Indraratna, B., Nimbalkar, S. and Rujikiatkamjorn, C. (2012). “Track stabilisation with geosynthetics and geodrains, and performance verification through field monitoring and numerical modelling”, Proceedings of the First International Conference on Railway Technology: Research, Development and Maintenance, Civil-Comp Press, April 18-20, 2012, Las Palmas de Gran Canaria, Spain (in CD).

72. Indraratna, B., Nimbalkar, S. and Rujikiatkamjorn, C. (2012). “Performance evaluation of shock mats and synthetic grids in the improvement of rail ballast”, Proceedings of the Second International Conference on Transportation Geotechnics, (IS-Hokkaido 2012), September 10-12, 2012, Sapporo, Japan, pp. 47-62.

73. Nimbalkar, S., Indraratna, B. and Rujikiatkamjorn, C. (2012). “Performance improvement of railway ballast using shock mats and synthetic grids”, In R. Hryciw, A. Athanasopoulos-Zekkos & N. Yesiller (Eds.), (GeoCongress 2012) State of the Art and Practice in Geotechnical Engineering, Gotechnical Special Publication No. 225, pp. 1622-1631.

74. Indraratna, B., Nimbalkar, S. and Rujikiatkamjorn, C. (2011). “Stabilisation of ballast and subgrade with geosynthetic grids and drains for rail infrastructure”, Proceedings of the International Conference on Advances in Geotechnical Engineering (ICAGE 2011), M. A. Shahin & H. Nikraz (Eds.), November 7-8, 2011, Perth, Australia. pp. 99-112.

75. Indraratna, B., Nimbalkar, S. and Rujikiatkamjorn, C. (2011). “Use of geosynthetics in railways including geocomposites and vertical drains”, Advances in Geotechnical Engineering, ASCE Annual GI Conference (Geo-frontiers 2011), March 13-16, 2011, Dallas, Texas, USA, pp. 4733-4742.

76. Indraratna, B., Nimbalkar, S. and Rujikiatkamjorn, C. and Christie, D. (2011). “State-of-the-art design aspects of ballasted rail tracks incorporating particle breakage, role of confining pressure and geosynthetic reinforcement”, 9th World Congress on Railway Research (WCRR 2011), Lille, France, May 22-26, 2011, pp. 1-13.

77. Indraratna, B. and Nimbalkar, S. (2011). “Implications of ballast breakage on ballasted railway track based on numerical modelling”, Proceedings of the 13th International Conference of International Association for Computer Methods and Advances in Computational Mechanics (IACMAG 2011), Melbourne Australia, May 09-11, 2011, pp. 1085-1092.

78. Indraratna, B., Rujikiatkamjorn, C., Vinod, J. S. and Nimbalkar, S. (2011). “Physical and chemical ground improvement for sustainable transportation infrastructure under cyclic loads”, Proceedings of the 3rd International Conference on Geotechnical Engineering for Disaster Mitigation and Rehabilitation (GEDMAR 2011), Central Java, Indonesia, May 18-20, 2011, pp. 140-156.

79. Indraratna, B., Nimbalkar, S. and Rujikiatkamjorn, C. (2010). “Numerical simulations and field investigation of a ballasted railway track reinforced with geosynthetics”, 9th World Congress on Computational Mechanics and 4th Asian Pacific Congress on Computational Mechanics (WCCM/APCOM 2010), July 19-23, 2010, Sydney, Australia (in CD).

80. Indraratna, B., Nimbalkar, S. and Tennakoon, N. (2010). “The behaviour of ballasted track foundations: track drainage and geosynthetic reinforcement”, ASCE Annual GI Conference (GeoFlorida 2010), February 20-24, 2010, West Palm Beach, Florida, USA (Draft Paper ID 156), pp. 2378-2387.

81. Nimbalkar, S. and Choudhury, D. (2010). “Effect of amplification on seismic stability of tailings dam”, Proceedings of the GeoShanghai International Conference (GeoShanghai 2010), June 3-5, 2010, Shanghai, China, pp. 1-6.

82. Indraratna, B., Nimbalkar, S. and Christie, D. (2009). “The performance of rail track incorporating the effects of ballast breakage, confining pressure and geosynthetic reinforcement”, In E. Tutumluer & I. Al-Qadi (Eds.), Proceedings of Eighth International Conference on the Bearing Capacity of Roads, Railways, and Airfields (BCRRA 2009), June 29 - July 2, 2009, Champaign, Illinois, USA, pp. 5-24.

83. Choudhury, D. and Nimbalkar, S. (2009). “Seismic stability of tailing dam by using pseudo-dynamic method”, Proceedings of the 17th International Conference on Soil Mechanics and Geotechnical Engineering (17ICSMGE), Edited by M. Hamza et al., IOS press, October 5-9, 2009, Alexandria, Egypt, pp. 1542-1545.

84. Nimbalkar, S. and Choudhury, D. (2008). “Computation of point of application of seismic passive resistance by pseudo-dynamic method”, Proceedings of the 12th International Conference of International Association for Computer Methods and Advances in Geomechanics (IACMAG 2008), October 1-6, 2008, Goa, India (paper No. K06 in CD), pp. 2636-2643.

85. Choudhury, D. and Nimbalkar, S. (2007). “Determination of point of application of seismic active thrust on retaining wall”, Proceedings of the 4th International Conference on Earthquake Geotechnical Engineering (4ICEGE-2007), June 25-28, 2007, Thessaloniki, Greece (paper No. 1249 in CD).

86. Choudhury, D., Nimbalkar, S. and Mandal, J. N. (2006). “Influence of soil-wall interface friction on pseudo-dynamic earth pressure”, Proceedings of the 8th US National Conference on Earthquake Engineering (8NCEE-2006), April 18-22, 2006, San Francisco, CA, USA (paper No. 636 in CD).

87. Mandal, J. N. and Nimbalkar, S. (2004). “Slope stability analysis of EPS embankment by artificial neural network”, Proceedings of the International conference on Geosynthetics and Geoenvironmental Engineering (ICGGE-2004), December 8-10, 2004, I.I.T., Bombay, pp. 468-471.

88. Mandal, J. N. and Nimbalkar, S. (2000). “Slope stability analysis by artificial neural network”, Proceedings of the Second European Geosynthetics Conference and Exhibition, (Euro Geo 2), Bologna, October 15-18, 2000, Italy.

4. National Conference Proceedings

1. Chamling, P. K., Mahto, A. K., Dash, S. K. and Nimbalkar, S. (2024). “Influence of coal fouling on shear strength and degradation behavior of railway ballast”, Proceedings of the Indian Geotechnical Conference (IGC 2024): Geotechnical Engineering for a Sustainable Tomorrow (GEST), December 19-21, 2024, MIT Chhatrapati Sambhajinagar, India, pp. 1-10 (in CD).

2. Punetha, P. and Nimbalkar, S. (2024). “Three-dimensional numerical modeling of the behavior of unbound granular pavements under moving tire loads”, Proceedings of the Indian Geotechnical Conference (IGC 2024): Geotechnical Engineering for a Sustainable Tomorrow (GEST), December 19-21, 2024, MIT Chhatrapati Sambhajinagar, India, pp. 1-10 (in CD).

3. Keynote Paper: Nimbalkar, S. (2016). “Sustainable growth in railway infrastructure: high speed boom”, Proceedings of the National Conference on “Innovations in Civil Engineering” (NCICE 2016), January 8-9, 2016, Government College of Engineering Karad, India (presentation, in CD).

4. Theme Paper: Nimbalkar, S., Tennakoon, N. and Indraratna, B. (2015). “Effects of fouling and degradation on geotechnical behaviour of railway ballast”, Proceedings of the Indian Geotechnical Conference (IGC 2015): Geotechnics for Infrastructure and Foundation Techniques (GIFT), December 17-19, 2015, COE Pune, India, pp. 1-12 (in CD).

5. Indraratna, B., Nimbalkar, S. and Heitor, A. (2015). “Geotechnics of granular materials for railways and port reclamation”, Proceedings of the Indian Geotechnical Conference (IGC 2015): Geotechnics for Infrastructure and Foundation Techniques (GIFT), December 17-19, 2015, COE Pune, India, pp. 1-20 (in CD).

6. Keynote Paper: Nimbalkar, S. and Choudhury, D. (2015). “Design of earth retaining structures and tailing dams under static and seismic conditions”, Proceedings of the Indian Geotechnical Conference (IGC 2015): Geotechnics for Infrastructure and Foundation Techniques (GIFT), Joint ISSMGE TC 207 and TC 212 Workshop, December 16, 2015, Pune, India, pp. 1-12 (in CD).

7. Rai, R. K., Tingre, A. R. and Nimbalkar, S. (2015). “Fluoridation and defluoridation studies for groundwater in Ner taluka”, Proceedings of the Civil Engineering Conference, April 29-30, 2015, College of Military Engineering, Pune, India.

8. Indraratna, B., Nimbalkar, S. and Vinod, J. S. (2013). “Rail track infrastructure for enhanced speed - analysis, design and construction challenges”, Proceedings of the Indian Geotechnical Conference (IGC 2013): Geotechnical Advances and Novel Geomehanical Applications (GANGA), December 22-24, 2013, IIT Roorkee, India, pp. 1-19 (in CD).

9. Nimbalkar, S. and Indraratna, B. (2010). “Effect of coal fines on the shear strength of ballast”, Proceedings of the Indian Geotechnical Conference IGC-2010 GEOtrendz, December 16-18, 2010, I.I.T. Bombay, Mumbai, India.

10. Choudhury, D., Nimbalkar, S. and Mandal, J. N. (2005). “Comparative study between pseudo-static and pseudo-dynamic methods of retaining wall design under earthquake condition”, 42nd Indian Geophysical Union, IGU-2005, December 7-9, 2005, Barkatullah University, Bhopal, India.

11. Choudhury, D. and Nimbalkar, S. (2004). “Seismic active earth pressure by pseudo-dynamic method”, Proceedings of the Indian Geotechnical Conference, IGC-2004, December 17-19, 2004, N.I.T. Warangal, India, Vol. 1, pp. 199-202.

12. Mandal, J. N. and Nimbalkar, S. (2000). “Centrifuge tests for bearing capacity of EPS on soft soils”, Foundation Problems – Case Studies October 1st, IGS Indore Chapter, pp. 60-74.

13. Mandal, J. N. and Nimbalkar, S. (1999). “Reduction of lateral earth pressure by compressible inclusion centrifuge modelling”, Proceedings of the Indian Geotechnical Conference, Calcutta, December, 1999, pp. 63-67.

5. Chapters in Edited Books

1. Nimbalkar, S., Farooq, M. A., Punetha, P. and Meena, N. K. (2024). “Computational Models and Applications in Railway Geotechnics”, in book ‘Recent Advancements in Sustainable and Safe Transportation Infrastructure - Vol. 1’, V. Srinivasan et al. (Eds.), Lecture Notes in Civil Engineering, Springer Nature Singapore Pte Ltd., pp. 1-11. https://doi.org/10.1007/978-981-96-1984-9.

2. Nimbalkar, S. and Meena, N. K. (2022). “Static and seismic assessment of soil arching in piled embankments” in book ‘Civil Engineering for Disaster Risk Reduction’, Kolathayar, S. et al. (Eds.), Springer Tracts in Civil Engineering, Springer Nature Singapore Pte Ltd., pp. 1-19.

3. Tan, S. A., Shukla, S. K. and Nimbalkar, S. (2021). “Railway tracks” in book ‘Handbook of Geosynthetic Engineering: Geosynthetics and Their Applications’, Shukla, S. K. (Ed.), Third edition, ICE Publishing Div. Thomas Telford Ltd, UK, pp. 213-230.

4. Nimbalkar, S., Punetha, P. and Kaewunruen, S. (2020). “Performance Improvement of Ballasted Railway Tracks using Geocells: Present State of the Art” in book ‘Handbook on Geocell Technology’, Sitharam, T. G., Hegde, A. and Kolathayar, S. (Eds.), Springer Transactions in Civil and Environmental Engineering, ISBN 978-981-15-6094-1, ISBN 978-981-15-6095-8 (eBook), Springer (Netherlands), pp. 277-318. https://doi.org/10.1007/978-981-15-6095-8_11.

5. Indraratna, B., Ngo, N. T., Nimbalkar, S. and Rujikiatkamjorn, C. (2018). “Two Decades of Advancement in Process Simulation Testing of Ballast Strength, Deformation, and Degradation” in book ‘Railroad Ballast Testing and Properties’, ASTM STP1605, Stark, T. D. et al. (Eds.), ASTM International, West Conshohocken, PA, 2018, pp. 1–28, http://dx.doi.org/10.1520/STP160520170029.

6. Indraratna, B. and Nimbalkar, S. (2015). “An Australian Perspective on Modernization of Rail Tracks using Geosynthetics and Shockmats” in book ‘Ground Improvement: Case Histories and New Directions’, Volume 2: Compaction, Grouting and Geosynthetics, Elsevier Scientific (UK). Indraratna B. et al. (Eds.), pp. 583-608.

7. Indraratna, B. and Nimbalkar, S. (2013). “The Role of Geosynthetics in Improving the Behaviour of Ballasted Rail Tracks” in book ‘Geosynthetics in Railway Track’ Rao G. V. (Ed.), published and printed by Central Board of Irrigation and Power, Delhi (INDIA), Publication No. 319, ISBN 81-7336-326-9, pp. 59-85.

6. Edited Book

1. Nimbalkar, S., Kolay, P. K., Sun, Y., eds. (2020). Geotechnical Innovation for Transport Infrastructures. Lausanne: Frontiers Media SA. doi: https://doi.org/10.3389/978-2-88963-841-3.

For more details on publications as well as citation analysis, please visit HERE (contains an exhaustive list of articles published/presented in journals, conferences, workshops, etc.)