Publications
Peer-Reviewed Journal Articles
Pokhrel A., Chiaro G., Kiyota T. & Cubrinovski M. (2024). Liquefaction characteristics of sand-gravel mixtures: experimental observations and its assessment based on intergranular state concept. Soils and Foundations 62(4): 101444; https://doi.org/10.1016/j.sandf.2024.101444
Sood S., Chiaro G., Wilson T. & Stringer M. (2024). Physical, chemical and compaction characteristics of slightly weathered tephras of New Zealand. Geotechnical and Geological Engineering; https://doi.org/10.1007/s10706-024-02770-z
Forcellini D., Chiaro G., Palermo A., Banasiak L. & Tsang H.H. (2024). Energy dissipation efficiency of geotechnical seismic isolation with gravel-rubber mixtures: insights from FE non-linear numerical analysis. Journal of Earthquake Engineering; https://doi.org/10.1080/13632469.2024.2312915
Fiamingo A., Abate G., Chiaro G. & Massimino M.R. (2024). HS-small constitutive model for innovative geomaterials: effectiveness and limits. International Journal of Geomechanics, ASCE, 24 (7), 04024118, pp.17, https://doi.org/10.1061/IJGNAI.GMENG-9308
Saomoto H., Kikkawa N., Moriguchi S., Nakata Y., Otsubo M., Akiko A., Liu A., Nishimura D., Chiaro G., Shimizu H., Nakase H., Duriez J., Irazabal J., Chew K., Tsuji K., Jiang M., Zeghal M., Duverger S., Nadimi S., Watanabe T., Rashique U., Angelidakis V., Xu X., Li X., Cheng Y.P., Karasaki Y., Lin Z. (2023). Round robin test on angle of repose: DEM simulation results collected from 16 groups around the world. Soils and Foundations 63(1): 101272; https://doi.org/10.1016/j.sandf.2023.101272
Piras S., Palermo A. & Chiaro G. (2023). Numerical modelling approaches for predicting the seismic response of monopile-supported dissipative controlled rocking bridge piers. Bulletin of the New Zealand Society for Earthquake Engineering, 56(3): 152-168; https://doi.org/10.5459/bnzsee.1591
Chiaro G., Palermo A., Banasiak L., Tasalloti A., Granello G. & Hernandez E. (2023). Seismic response of low-rise buildings with eco-rubber geotechnical seismic isolation (ERGSI) foundation system: numerical investigation. Bulletin of Earthquake Engineering, 21: 3797–3821; https://doi.org/10.1007/s10518-022-01584-9
Liu R., Palermo A. & Chiaro G. (2023). Effect of reinforcing and crack width on the vibration damping capacity of rubberised concrete beams. Structural Concrete, Journal of the fib, 24(2): 2740-2754; https://doi.org/10.1002/suco.202200232
Chiaro G., Kiyota T., Umar M. & Cappellaro C. (2022). Earthquake-induced flow-type slope failure in weathered volcanic deposits – a case study: the 16 April 2016 Takanodai landslide, Japan. Geosciences, 12(11): 394; https://doi.org/10.3390/geosciences12110394
Piras S., Palermo A. & Chiaro G. (2022). Quasi-static Cyclic Testing of Hybrid Post-Tensioned Bridge Column Supported on a Monopile Foundation. Journal of Bridge Engineering, 27(11): 04022111; https://doi.org/10.1061/(ASCE)BE.1943-5592.0001962 (Editor's Choice Selection).
Chew K., Chiaro G., Vinod J.S., Tasalloti A. & Allulakshmi K. (2022). Direct shear behavior of gravel-rubber mixtures: discrete element modeling and microscopic investigations. Soils and Foundations, 62 (3): 101156; https://doi.org/10.1016/j.sandf.2022.101156
Tasalloti A., Chiaro G., Murali A., Banasiak L., Palermo, A. & Granello, G. (2021). Recycling of End-of-Life Tires (ELTs) for Sustainable Geotechnical Applications: A New Zealand Perspective. Applied Sciences, Special Issue: New Frontiers in Sustainable Geotechnics, 11(17): 7824;l https://doi.org/10.3390/app11177824
Umar M., Kiyota T., Chiaro G. & Duttine A. (2021). Post-liquefaction deformation and strength characteristics of sand in torsional shear tests. Soils and Foundations, 61(5): 1207-1222; https://doi.org/10.1016/j.sandf.2021.06.009 (2022 JGS Best Paper Award).
Chiaro G., Umar M., Kiyota T. & Koseki J. (2021). Deformation and cyclic strength characteristics of loose and medium-dense clean sand under sloping ground conditions: insights from cyclic undrained torsional shear tests with static shear. Geotechnical Engineering Journal, 52(4): 14-22.
Tasalloti A., Chiaro G., Murali A. & Banasiak L. (2021). Physical and mechanical properties of granulated rubber mixed with granular soils – a literature review. Sustainability, 13(8), 4309, 1-28; https://doi.org/10.3390/su13084309
Umar M., Chiaro G., Kiyota T. & Ullah, N. (2021). Deformation and cyclic resistance of sand in large-strain undrained torsional shear tests with initial static shear stress. Soils and Foundations, 61(3): 765-781; https://doi.org/10.1016/j.sandf.2021.02.008 (2022 JGS Best Paper Award).
Cappellaro C., Cubrinovski M., Bray D.J., Chiaro G., Riemer M. & Stringer M. (2021). Liquefaction resistance of Christchurch sandy soils from direct simple shear tests. Soil Dynamics and Earthquake Engineering, 141: 106489; https://doi.org/10.1016/j.soildyn.2020.106489
Tasalloti A., Chiaro G., Banasaik L. & Palermo A. (2021). Experimental investigation of the mechanical behaviour of gravel-granulated tyre rubber mixtures. Construction and Building Materials, 273: 121749; https://doi.org/10.1016/j.conbuildmat.2020.121749
Paolella L., Scapagna R.L., Chiaro G. & Modoni G. (2021) "A simplified vulnerability model for the extensive liquefaction risk assessment of buildings", Bulletin of Earthquake Engineering, 19: 3933-3961; https://doi.org/10.1007/s10518-020-00911-2
Hernandez E., Palermo A., Granello G, Chiaro G. & Banasiak L. (2020). Eco-rubber seismic-isolation foundation systems: a sustainable solution for the New Zealand context. Structural Engineering International, 30(2): 192-200; https://doi.org/10.1080/10168664.2019.1702487 (2021 IABSE Outstanding Paper Award)
Cubrinovski M., Bray J.D., de la Torre C., Olsen M.J., Bradley B.A., Chiaro G., Stocks E., Wotherspoon L. & Krall T. (2018). Liquefaction-induced damage and CPT characterization of the reclamations at CentrePort, Wellington. Bulletin of the Seismological Society of America, 108(3B): 1695-1708; https://doi.org/10.1785/0120170246
Zhang L., Chen Q.S., Gao G.Y., Nimbalkar S. & Chiaro G. (2018). A new failure load criterion for large-diameter under-reamed piles: practical perspective. International Journal of Geosynthetics and Ground Engineering, 4(3): pp. 13; https://doi.org/10.1007/s40891-017-0120-8
Chiaro G., De Silva L.I.N. & Koseki J. (2017). Modeling the effects of static shear on the undrained cyclic torsional simple shear behavior of liquefiable sand. Geotechnical Engineering Journal, 48(4): 1-9.
Chiaro G., Alexander G., Brabhaharan P., Massey C., Koseki J., Yamada S. & Aoyagi Y. (2017). Reconnaissance report on geotechnical and geological aspects of the 2016 Kumamoto Earthquake, Japan. Bulletin of the New Zealand Society for Earthquake Engineering, 50(3): 365-393; https://doi.org/10.5459/bnzsee.50.3.365-393 (2020 NZSEE Otto Glogau Best Paper Award)
Cubrinovski M, Bray J.D., de la Torre C., Olsen M.J., Bradley B.A., Chiaro G., Stocks E. & Wotherspoon L. (2017). Liquefaction effects and associated damages observed at the Wellington CentrePort from the 2016 Kaikoura Earthquake. Bulletin of the New Zealand Society for Earthquake Engineering, 50(2): 152-173; https://doi.org/10.5459/bnzsee.50.2.152-173
Liu W., Chen Q., Chiaro G. & Jiang H. (2017). Effect of a cement-lignin agent on the shear behavior of Shanghai dredged marine soils. Marine Georesources and Geotechnology, 35(1): 17-25; https://doi.org/10.1080/1064119X.2015.1024903
Kiyota T., Ikeda T., Goda K., Pokhrel R.M., Chiaro G. & Katagiri T. (2016.) Survey Report on Road Damage Caused by the 2015 Gorkha Earthquake, Nepal (2015 年ネパール・ゴルカ地震による道路の地盤災害調査報告). Journal of Japan Society of Civil Engineers, Ser. A1 (Structural Engineering & Earthquake Engineering (SE/EE)), 72(4): 934-939; doi: 10.2208/jscejseee.72.I_934
Wang H., Sato T., Koseki J., Chiaro G. & Tian J.T. (2016). Effect of saturation on liquefaction resistance of iron ore fines and two sandy soils. Soils and Foundations, 56(4): 732-744; https://doi.org/10.1016/j.sandf.2016.07.013
Wang H., Sato T., Koseki J., Chiaro G. & Tian J.T. (2016). A system to measure volume change of unsaturated soils in undrained cyclic triaxial tests. Goetechnical Testing Journal, 39(4): 532-542; https://doi.org/10.1520/GTJ20150125
Wahyudi S., Koseki J., Sato T. & Chiaro G. (2016). Multiple-liquefaction behavior of sand in cyclic simple stacked-ring shear tests. International Journal of Geomechanics, 16(5): C401500; https://doi.org/10.1061/(ASCE)GM.1943-5622.0000596
Rao P., Chen Q., Zhou Y., Nimbalkar S. & Chiaro G. (2016). Determination of active earth pressure on rigid retaining wall considering arching effect in cohesive backfill soil. International Journal of Geomechanics, 16(3): 04015082; https://doi.org/10.1061/(ASCE)GM.1943-5622.0000589
Pokhrel R.M., Kiyota T., Kuwano R., Chiaro G., Katagiri T. & Arai I. (2015). Preliminary field assessment of sinkhole damage, Pokhara, Nepal. International Journal of Geoengineering Case Histories, 3(2): 113-125; http://dx.doi.org/10.4417/IJGCH-03-02-04
Chiaro G., Kiyota T., Pokhrel R.M., Goda K., Katagiri T. & Sharma K. (2015). Reconnaissance report on geotechnical and structural damage caused by the 2015 Gorkha Earthquake, Nepal. Soils and Foundations, 55(5): 1030-1043; https://doi.org/10.1016/j.sandf.2015.09.006
Iolli S., Modoni G., Chiaro G. & Salvatore E. (2015). Predictive correlations for the compaction of clean sands. Transportation Geotechnics, 4: 38-49; https://doi.org/10.1016/j.trgeo.2015.06.004
Goda K., Kiyota T., Pokhrel R.M., Chiaro G., Katagiri T., Sharma K. & Wilkinson S. (2015). The 2015 Gorkha Nepal Earthquake: insights from earthquake damage survey. Frontiers in Built Environment (Earthquake Engineering) 1(8): 1-15; https://doi.org/10.3389/fbuil.2015.00008
Tasalloti S.M.A, Indraratna B., Rujikiatkamjorn C., Heitor A. & Chiaro G. (2015). A laboratory study on the shear behavior of mixtures of coal wash and steel furnace slag as potential structural fill. Geotechnical Testing Journal, 38(4): 361-372; doi:10.1520/GTJ20140047
De Silva L.I.N., Koseki J., Chiaro G. & Sato T. (2015). A stress-strain description for saturated sand under undrained cyclic torsional shear loading. Soils and Foundations, 55(3): 559-574; https://doi.org/10.1016/j.sandf.2015.04.008
Umehara Y., Kiyota T., Chiaro G. and Yaguira Y. (2015). Applicability of 'Gel-Push' sampling technique for sandy layer. Seisan Kenkyu, 67(6): 673-677 [in Japanese]. https://doi.org/10.11188/seisankenkyu.67.673
Miyamoto H., Kiyota T. & Chiaro G. (2015). Large strain liquefaction characteristics of Christchurch boiled sand in torsional shear tests. Seisan Kenkyu, 67(6): 679-682 [in Japanese]. https://doi.org/10.11188/seisankenkyu.67.679
Kiyota T., Goda K., Pokhrel R.M., Chiaro G. & Katagiri T. (2015). Survey report on geotechnical and structural damage caused by the 2015 Nepal Earthquake. Seisan Kenkyu, 67(6): 695-700 [in Japanese]. https://doi.org/10.11188/seisankenkyu.67.695
Chiaro G., Indraratna B. & Tasalloti S.M.A. (2015). Predicting the behaviour of coal wash and steel slag mixtures under triaxial conditions. Canadian Geotechnical Journal, 52(3): 367-373; doi:10.1139/cgj-2013-0476
Chiaro G., Indraratna B., Tasalloti S.M.A. & Rujikiatkamjorn C. (2015). Optimisation of coal wash–slag blend as a structural fill. Ground Improvement, 168(1): 33-44; https://doi.org/10.1680/grim.13.00050
Chiaro G., Koseki J. & De Silva L.I.N. (2013). A density- and stress-dependent elasto-plastic model for sands subjected to monotonic torsional shear loading. Geotechnical Engineering Journal, 44(2): 18-26. [Link]
Rujikiatkamjorn C., Indraratna B. & Chiaro G. (2013). Compaction of coal wash to optimize its utilization as water-front reclamation fill. Geomechanics and Geoengineering: an International Journal, 8(1): 36-45; https://doi.org/10.1080/17486025.2012.727475
Chiaro G., Kiyota T. & Koseki J. (2013). Strain localization characteristics of loose saturated Toyoura sand in undrained cyclic torsional shear tests with initial static shear. Soils and Foundations, 53(1): 23-34; https://doi.org/10.1016/j.sandf.2012.07.016
Chiaro G., Koseki J. & Sato T. (2012). Effects of initial static shear on liquefaction and large deformation properties of loose saturated Toyoura sand in undrained cyclic torsional shear tests. Soils and Foundations, 52(3): 498-510; https://doi.org/10.1016/j.sandf.2012.05.008
Peer-Reviewed Book Chapters
Chiaro G. (2023). Gravel-rubber mixtures: macro- and micro-scale engineering properties. Theme Lecture - 2nd International Conference on Construction Resources for Environmentally Sustainable Technologies, 20-22 Nov 2023, Fukuoka, Japan, pp. 20.
Chiaro G., Tasalloti A., Chew K., Vinod J.S. & Allulakshmi K. (2022). Macro- and micro-scale engineering response of rigid-soft gravel-rubber inclusions: insights from detailed laboratory and DEM numerical investigations. Advances in Construction Materials and Sustainable Environment, Lecture Notes in Civil Engineering, 196: 11-27, https://doi.org/10.1007/978-981-16-6557-8_2 [Keynote Lecture - 1st International Conference on Construction Materials and Sustainable Environment].
Chiaro G. (2021). Cyclic resistance and large deformation characteristics of sands under sloping ground conditions: insights from large-strain torsional simple shear tests. In: Latest Developments in Geotechnical Earthquake Engineering and Soil Dynamics, Springer Transactions in Civil and Environmental Engineering, Sitharam et al. (Eds.), Springer, 101-131 [Proc. of 7th International Conference on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics, State-of-the-Art-and-Practice Lecture, 12-15 July 2021, Bangalore, India].
Chiaro G., De Silva N.L.I & Koseki J. (2021). Modeling of liquefaction and large-strain response of sand in sloping ground. In: Modeling in Geotechnical Engineering, Samui et al. (Eds.), Elsevier, 365-391.
Goda K., Kiyota T., Pokhrel R.M., Chiaro G., Katagiri T., Sharma K. & Wilkinson S. (2018). The 2015 Gorkha Nepal Earthquake: insights from earthquake damage survey. In: Mega Quakes: Cascading Earthquake Hazards and Compounding Risks, Goda et al. (Eds.), Front. Built Environ. 4(8): 21-35.
Chiaro G., Koseki J. & Kiyota T. (2017). An investigation on the liquefaction-induced sloped ground failure during the 1964 Niigata Earthquake. In: Geomechanics and Geoengineering: Geotechnical Hazards from Large Earthquakes and Heavy Rainfalls, Hazarika et al. (Eds.), Springer, 134-143.
Chiaro G., Koseki J. & De Silva L.I.N. (2013). An elasto-plastic model for liquefiable sands subjected to torsional shear loadings. Springer Series in Geomechanics and Geoengineering, 519-526.
Peer-Reviewed Papers in Conference Proceedings
Yates K., Chiaro G., Pokhrel A. & Rees S. (2024). Liquefaction potential of reconstituted New Zealand loess. 8th International Conference on Earthquake Geotechnical Engineering, Osaka, Japan, pp. 6 (accepted).
Sood S., Chiaro G., Wilson T. & Stringer M. (2024). Liquefaction and reliquefaction characteristics of compacted slightly-weathered heterogeneous tephras. 8th International Conference on Earthquake Geotechnical Engineering, Osaka, Japan, pp. 6 (accepted).
Paul S.M., Chiaradonna A. & Chiaro G. (2024). Numerical modelling of the dynamic behavior of gravel-rubber mixtures and their efficiency as liquefaction countermeasures. 8th International Conference on Earthquake Geotechnical Engineering, Osaka, Japan, pp. 6 (accepted).
Chiaro G., Forcellini D., Palermo A. & Banasiak L. (2024). Effects of thickness on the energy dissipation efficiency of GSI. 18th World Conference on Earthquake Engineering, Milan, Italy, pp. 10 (accepted).
Pokhrel A. & Chiaro G. (2023). Small-strain shear stiffness of sand-gravel mixtures. Proc. 8th International Symposium on Deformation Characteristics of Geomaterials (ISDCG2023), Porto, Portugal, pp. 6.
Chiaro G., Christian S., Goldingham L. & Murali A. (2023). Direct shear response of gravel-glass-rubber mixtures. Proc. ANZ Geomechanics Conference 2023, Cairns, Australia, p. 1-6.
Abate G., Chiaro G. & Fiamingo A. (2023). Laboratory tests on gravel-rubber mixtures (GRM): FEM modelling versus experimental observations. Geotechnical Engineering in the Digital and Technological Innovation Era. CNRIG 2023. Springer Series in Geomechanics and Geoengineering, 769-776.
Hernandez E., Palermo A., Chiaro G. & Scott A. (2023). Cyclic shear test of reinforced rubberised concrete columns. Proc. 2fib Symposium 2023 - Building for Future: Durable, Sustainable, Resilient. Lecture Notes in Civil Engineering 350, pp. 9 (doi: 10.1007/978-3-031-32511-3_46).
Sood S., Chiaro G., Wilson T. & Stringer M. (2022). Monotonic drained and undrained shear strength behaviour of compacted weathered airfall tephras. Proc. Indian Geotechnical Conference, 15-17 Dec., Kochi, India (accepted), pp. 12.
Chiaro G., Tasalloti A., Palermo A. & Banasiak L. (2022). Small-strain shear stiffness and strain-dependent dynamic properties of gravel-rubber mixtures. Proc. 17th Symposium of Earthquake Engineering, 14-17 Nov., Roorkee, India, pp. 10 (accepted).
Forcellini D., Chiaro G., Palermo A. & Banasiak L. (2022). Numerical evaluation of the seismic performance of GSI foundation systems for buildings using gravel-rubber mixtures. Proc. 17th Symposium of Earthquake Engineering, 14-17 Nov., Roorkee, India, pp. 8 (accepted).
Reid D., Chiaro G., Fanni R. & Fourie A. (2022). Arguments for increasing the use of hollow cylinder testing in the characterisation of tailings. Proc. Tailings and Mine Waste 2022, 6-9 Nov., Denver CO, USA, pp. 13.
Sood S. & Chiaro G. (2022). Geochemical and compaction-breakage characteristics of weathered air-fall tephras. Proc. 14th NZGS/AGS Young Geotechnical Professionals Conference, 2-5 Nov., Rotorua, NZ, pp. 6.
Chiaro G., Chew K., Tasalloti A., Vinod J. & Allulakshmi K. (2022). Soft rigid particle mixtures: direct shear behavior from macro to micro. Proc. 20th International Conference of SMGE, May 1-5, Sydney, Australia, 1269-1274.
Pokhrel. A., Chiaro G., Cubrinovski M. & Kiyota T. (2022). Liquefaction potential of sand-gravel mixtures: experimental observations. Proc. 2022 NZSEE Technical Conference, 27-29 April, Wellington, NZ (online), pp. 9.
Hernandez E., Liu R., Palermo A., Chiaro G. & Scott A. (2022). Rubberised Concrete: Material Characterisation and Mechanical Behaviour. Proc. 2021 NZ Concrete Conference, 14-16 Oct., Rotorua, NZ, pp. 11.
Piras S., Palermo A. & Chiaro G. (2022). A dissipative controlled rocking column solution for bridge piers on monopiles. Proc. 2021 NZ Concrete Conference, 14-16 Oct., Rotorua, NZ, pp. 10.
Sood S., Chiaro G., Wilson T. & Stringer M. (2021). Comparison of small-strain shear modulus of beach and volcanic sands. Proc. 7th International Conference on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics, 12-15 July 2021, Bangalore, India, pp. 10 (in press).
Tasalloti A., Chiaro G., Young J., Ross O., Palermo A. & Granello G. (2021). Experimental seismic characterisation of gravel-granulated tyre mixtures and design implications. Proc. 2021 NZSEE Annual Conference, Apr 14-16, Christchurch, NZ , pp. 10.
Piras S., Palermo A. & Chiaro G. (2021). Development of a dissipative controlled rocking system for bridge columns supported on monopiles. Proc. 2021 NZSEE Annual Conference, Apr 14-16, Christchurch, NZ , pp. 8.
Chew K., Chiaro G., Tasalloti A., Vinod J. & Allulakshmi K. (2021). Response of gravel-rubber mixtures under direct shear testing: experimental and DEM numerical investigation. Proc. 21st NZGS Symposium, Mar 24-26, Dunedin, NZ, pp. 10.
Banasiak L.J., Chiaro G., Palermo A. & Granello G. (2021). Environmental implications of the recycling of end-of-life tires in seismic-isolation foundation systems. Proc. 1st International Symposium on Construction Resources for Environmentally Sustainable Technologies, March 10-12, Fukuoka, Japan [Advances in Sustainable Construction and Resource Management, Lecture Notes in Civil Engineering, 144: 43-52].
Chiaro G., Palermo A., Granello G., Tasalloti A. & Banasiak L.J. (2021). Reuse of waste tires to develop eco-rubber seismic-isolation foundation systems: preliminary results. Proc. 1st International Symposium on Construction Resources for Environmentally Sustainable Technologies, March 10-12, Fukuoka, Japan [Advances in Sustainable Construction and Resource Management, Lecture Notes in Civil Engineering, 144: 159-169].
Tasalloti A., Chiaro G., Palermo A. & Banasiak L.J. (2020). Effect of rubber crumbs volumetric content on the shear strength of gravelly soil in direct shear apparatus. Proc. of Geo-Congress 2020, 25-28 Feb., Minneapolis, Minnesota, USA [ASCE Geotechnical Special Publication, 319: 259-266].
Hernandez E., Palermo A., Granello G. & Chiaro G. (2019). An innovative and eco-friendly foundation system to enhance the resilience of low-rise buildings. Proc. 2019 Concrete NZ Conference, Oct. 10-12, Dunedin, New Zealand, pp. 10.
Banasiak L.J., Chiaro G., Palermo A., Granello G. (2019). Recycling of end-of-life tyres in civil engineering applications: environmental implications. Proc. WasteMINZ 2019 Conference, Sept. 23-26, Hamilton, New Zealand, pp. 1-15.
Chiaro G., Palermo A., Granello G., Hernandez E., Tasalloti A., Stratford C. & Bansiak L.J. (2019). Enhancing the resilience of low-rise buildings: a New Zealand perspective. Proc. 2019 Society for Earthquake and Civil Engineering Dynamics Conference (SECED 2019), Sept. 9-10, Greenwich, UK, pp. 8.
Cappellaro C., Cubrinovski M., Chiaro G., Stringer M.E., Bray J.D. & Riemer M.F. (2019). Effects of fines content, fabric, and structure on the cyclic direct simple shear behaviour of silty sands. Proc. 7th Int. Conference on Earthquake Geotechnical Engineering, 17-20 June, Rome, Italy, 1588-1595.
Umar M., Kiyota T., Chiaro G. & Duttine A. (2019). Impact of cyclic damage shear strain on the strain localization of sand in large strain torsional shear test. Proc. 7th International Conference on Earthquake Geotechnical Engineering, 17-20 June, Rome, Italy, 5402-5409.
Chiaro G., Kiyota T. & Umar M. (2019). Undrained monotonic and cyclic torsional simple shear behavior of the Aso pumiceous soil deposits. Proc. 7th International Conference on Earthquake Geotechnical Engineering, 17-20 June, Rome, Italy, 1754-1761.
Chiaro G., Palermo A., Granello G., Tasalloti A., Stratford C. & Banasiak L.J. (2019). Eco-rubber seismic-isolation foundation systems: a cost-effective way to build resilience. In: Proc. 2019 Pacific Conference on Earthquake Engineering, 4-6 April, Auckland, New Zealand, pp. 8.
Cappellaro C., Cubrinovski M., Chiaro G., Stringer M.E., Bray J.D. & Riemer M.F. (2019). Liquefaction resistance of Christchurch sandy soil deposits obtained from cyclic direct simple shear tests and CPT-based methods. In: Proc. 13th ANZ Geomechanics Conference, 1-3 April, Perth, Australia, 1073-1078.
Chiaro G., Palermo A., Banasiak L.J. & Granello G. (2019). Direct shear behaviour of gravel-granulated tyre rubber mixtures. in: Proc. 13th ANZ Geomechanics Conference, 1-3 April, Perth, Australia, 221-226.
Chiaro G., Chew K. & Kim J.S. (2018). Numerical analyses of the earthquake-induced Takanodai landslide, Kumamoto, Japan. Proc. Int. Conf. on GIS and Geoinformation Zoning for Disaster Mitigation, 23-24 Nov. 2018, Auckland, NZ, 47-54.
Chiaro G., Umar M., Kiyota T. & Massey C. (2018). The Takanodai landslide, Kumamoto, Japan: insights from post-earthquake field observations, laboratory tests and numerical analyses. In: Proc. 5th Geotechnical Earthquake Engineering and Soil Dynamics Conference, June 10-13, Austin, Texas, USA [ASCE Geotechnical Special Publication, 293: 98-111].
Cappellaro C., Cubrinovski M., Bray J.D., Chiaro G., Riemer M.F. & Stringer M.E. (2018). Comparisons in the cyclic direct shear response of two sands form Christchurch, New Zealand. In: Proc. 5th Geotechnical Earthquake Engineering and Soil Dynamics Conference, June 10-13, Austin, Texas, USA [ASCE Geotechnical Special Publication, 293: 150-159].
Umar M., Chiaro G., Takashi K. & Miyamoto H. (2018). Monotonic and cyclic undrained behavior of Kumamoto-Aso pumice soil by triaxial and torsional shear tests. In: Proc. of the 16th European Conference on Earthquake Engineering, Thessaloniki, Greece.
Cappellaro C., Cubrinovski M., Chiaro G., Stringer M.E., Bray J.D. & Riemer M.F. (2017). Undrained cyclic direct simple shear testing of Christchurch sandy soils. In: Proc. of the 20th Symposium of the New Zealand Geotechnical Society, Napier, NZ, pp. 8.
Chiaro G., Kiyota T. & Miyamoto H. (2017). Liquefaction potential and large deformation properties of Christchurch liquefied sand subjected to undrained cyclic torsional simple shear loading. In: Proc. of the 19th International Conference on Soil Mechanics and Geotechnical Engineering, Seoul, South Korea, 1497-1500.
Umar M., Chiaro G & Kiyota T. (2017). Influence of density on large deformation characteristic of sand in undrained cyclic torsional shear tests with initial static shear. In: Proc. of the 3rd Int. Conference on Performance-based Design in Earthquake Geotechnical Engineering, Vancouver, Canada, pp. 8.
Umar M., Chiaro G. & Kiyota T. (2016). On the influence of initial static shear on large deformation behavior of very loose Toyoura sand in undrained cyclic torsional shear tests. JGS Special Publication, 4(2): 17-22 [Selected paper Proc. of the 6th Japan-Korea Geotechnical Workshop].
Chiaro G., Koseki J., De Silva L.I.N. & Kiyota T. (2015). Modeling the monotonic undrained torsional shear response of loose and dense Toyoura sand. JGS Special Publication, 2(9): 407-410 [Selected paper Proc. of the 15th Asian Regional Conference on SMGE].
Chiaro G., Kiyota T., Umehara Y., Hosono Y., Yagiura Y. & Chiba H. (2015). Evaluation of cyclic resistance of undisturbed Chiba sandy samples retrieved by “Gel-Push” sampling technique. JGS Special Publication, 2(32): 1154-1159 [Selected paper Proc. of the 15th Asian Regional Conference on SMGE].
Chiaro, G., Kiyota, T. & Koseki, J. (2015). Strain localization characteristics of liquefied sands in undrained cyclic torsional shear tests. In: Proc. of the 6th International Symposium on Deformation Characteristics of Geomaterials, Nov. 15-18, Buenos Aires, Argentina [Advances in Soil Mechanics and Geotechnical Engineering, IOS Press, Vol. 6, 832-839, doi:10.3233/978-1-61499-601-9-832].
Umehara Y., Chiaro G., Kiyota T., Hosono Y., Yaguira Y. & Chiba H. (2015). Effectiveness of ‘Gel-Push’ sampling technique to retrieve undisturbed sandy specimens for liquefaction test. In: Proc. of the 6th International Conference on Earthquake Geotechnical Engineering, Nov. 1-4, Christchurch, New Zealand, pp. 8.
Chiaro G., Koseki J. & Kiyota T. (2015). New insights into the failure mechanisms of liquefiable sandy sloped ground during earthquakes. In: Proc.of the 6th International Conference on Earthquake Geotechnical Engineering, Nov. 1-4, Christchurch, New Zealand, pp.8.
Pokhrel R.M., Kiyota T., Kuwano R., Chiaro G. & Katagiri T. (2015). Site investigation of sinkhole damage in the Armala area, Pokhara, Nepal. In: Proc. of the International Conference on Geotechnical Engineering, Aug. 10-11, Colombo, Sri Lanka, 109-112.
Chiaro G., Kiyota T., Hosono Y., Umehara Y., Yaguira Y. & Chiba H. (2015). Qualitative evaluation of undisturbed GP samples extracted from sandy soil deposits based on dynamic shear modulus measurements. In: Int.Conference on Geotechnical Engineering, Aug. 10-11, Colombo, Sri Lanka, 141-144.
Chiaro G., Koseki J., De Silva N.I.L. & Kiyota T. (2015). Calibration and performance of a newly developed cyclic model to describe the liquefaction behaviour of loose and dense sand under torsional simple shear conditions. In: Proc. of the International Conference on Geotechnical Engineering, Aug. 10-11, Colombo, Sri Lanka, 137-140.
Chiaro G., Kiyota T. & Miyamoto H. (2015). Large deformation properties of reconstituted Christchurch sand subjected to undrained cyclic torsional simple shear loading. In: Proc. of the 2015 NZSEE Conference, Apr. 10-12, Rotorua, New Zealand, 529-536.
Tasalloti S.M.A, Indraratna B., Chiaro G. & Heitor A. (2015). Field investigation on compaction and strength performance of two coal wash-BOS slag mixtures. In: Proc. of the International Foundations Congress and Equipment Expo 2015, IFCEE 2015, San Antonio, Texas, USA [ASCE Geotechnical Special Publication, 256: 2359-2368, doi:10.1061/9780784479087.219].
Chiaro G., Modoni G. & Salvatore E. (2014). Prediction of the effects of compaction on granular materials. In: Proc. of the International Symposium on Geomechanics from Micro to Macro, Cambridge, UK [CRC Press: Geomechanics from Micro to Macro, 1189-1194].
Chiaro G., Kiyota T. & Koseki J. (2014). Large-strain behavior of liquefiable sandy sloped ground evaluated by undrained cyclic torsional shear tests. In: Proc. of the International Symposium on Geohazards, Nov. 20-21, Kathmandu, Nepal, 51-61.
Heitor A., Indraratna B., Rujikiatkamjorn C., Chiaro G. & Tasalloti S.M.A. (2014). Evaluation of the coal wash and steel furnace slag blends as effective reclamation fill for port expansion. In: Proc. 7th International Congress on Environmental Geomechanics, Nov. 10-14, Melbourne, Australia, 972-979.
Chiaro G. & Koseki J. (2013). Prediction of earthquake-induced liquefaction for level and gently sloped ground. In: Proc. of 19th Symposium of New Zealand Geotechnical Society, Queenstown, New Zealand, 61-68.
Indraratna B., Rujikiatkamjorn C. & Chiaro G. (2013). Compaction of coal wash as reclamation fill. In: Proc. of the 18th Southeast Asian Geotechnical Conference & Inaugural AGSSEA Conference, Singapore, 165-170.
Chiaro G., Koseki J. & De Silva L.I.N. (2013). An elasto-plastic model for liquefiable sands subjected to torsional shear loadings. In: Proc. of the 2nd International Symposium on Constitutive Modeling of Geomaterials: Advances and New Applications, Beijing, China, pp. 8.
Chiaro G. & Koseki J. (2012). Liquefaction and failure mechanisms of sandy sloped ground during earthquakes: a comparison between laboratory and field observations. In: Proc. of the Australian Earthquake Engineering Society Conference, Gold Coast, Australia, CD-ROM, 1-7.
Indraratna B., Rujikiatkamjorn C. & Chiaro G. (2012). Characterization of compacted coal wash as structural fill material. In: Proc. of the Geo-Congress 2012: State of the Art and Practice in Geotechnical Engineering, Oakland, California, USA [ASCE Geotechnical Special Publication, 225: 3826-3834, doi:10.1061/9780784412121.392].
Chiaro G., Gazzellone A. & Modoni G. (2012). Laboratory investigation on the compactability of clean sands. In: Proc. of the International Conference on Ground Improvement and Ground Control, Wollongong, Australia, 1031-1037.
Chiaro G., Indraratna B., Rujikiatkamjorn C. & Naeeni S. (2012). Effects of steel slag content and curing time on compressive strength of underwater compacted coal wash. In: Proc. of the International Conference on Ground Improvement and Ground Control, Wollongong, Australia, 1617-1622.
Rujikiatkamjorn C., Indraratna B., Chiaro G., Naeeni S. & Tasalloti S.M.A. (2012). Compaction and strength testing of industrial waste blends as potential port reclamation fill. In: Proc. of the 11th Australia-New Zealand Conference on Geomechanics, Melbourne, Australia, 973-978.
Chiaro G., De Silva L.I.N., Kiyota T. & Koseki J. (2011). An elasto-plastic model to describe the undrained cyclic behavior of saturated sand with initial static shear. In: Proc. of the 5th International Symposium on Deformation Characteristics of Geomaterials, Seoul, South Korea, 1026-1033.
Chiaro G., Sato T., Kiyota T. & Koseki J. (2011). Effect of initial static shear stress on undrained cyclic behavior of saturated sand by torsional shear loading. In: Proc. of the 5th International Conference on Earthquake Geotechnical Engineering, Santiago, Chile, CD-ROM, 1-12.
Chiaro G., Kiyota T. & Koseki J. (2011). Effects of initial static shear on shear strain localization characteristics of sand in undrained cyclic torsional shear tests. In: Proc. of the 8th International Conference on Urban Earthquake Engineering, Tokyo, Japan, 531-536.
Wahyudi S., Chiaro G., De Silva L.I.N. & Koseki J. (2010). Stress-dilatancy behavior of loose sand during cyclic torsional shear loading. In: Proc. of the 12th International Summer Symposium of JSCE, Funabashi, Japan, 183-186.
Chiaro G. & Koseki J. (2010). A method for assessing the failure behavior of sand with initial static shear. In: Proc. of the 12th International Summer Symposium of JSCE, Funabashi, Japan, 155-158.
Chiaro G., Sato T. & Koseki J. (2009). Large deformation behavior of saturated sand with initial static shear in cyclic torsional shear tests. In: Proc. of the 11 International Summer Symposium of JSCE, Tokyo, Japan, 109-112.
Chiaro G., Kiyota T., De Silva L.I.N., Sato T. & Koseki J. (2009). Extremely large post-liquefaction deformations of saturated sand under cyclic torsional shear loading. In: Proc. of the Earthquake Geotechnical Engineering Conference, 17th ICSMGE, Alexandria, Egypt, CD-ROM, 1-10.
Non-Peer-Reviewed Journal Articles & Research Reports
Chiaro G., Tasalloti A., Banasiak L., Palermo A., Granello G. & Rees S. (2020). Sustainable recycling of end-of-life tyres in civil (geotechnical) engineering applications: turning issues into opportunities in the New Zealand context. NZ Geomechanics News, 99: 38-47.
Umar M., Kiyota T., Ullah N. & Chiaro G. (2020). Effects of initial static shear on cyclic resistance and pore water generation of dense Toyoura sand in large-strain torsional shear tests. Bulletin of Earthquake Resistant Structure Research Center, Institute of Industrial Science, University of Tokyo, 53: 1-9.
Umar M., Kiyota T. & Chiaro G. (2019). Undrained monotonic behavior of sand in large strain torsional shear apparatus. Bulletin of Earthquake Resistant Structure Research Center, Institute of Industrial Science, University of Tokyo, 52: 1-10.
Umar M., Kiyota T. & Chiaro G. (2018). Effect of specimen size on behavior of dense sand in large strain torsional shear apparatus. Bulletin of Earthquake Resistant Structure Research Center, Institute of Industrial Science, University of Tokyo, 51: in press.
Umar M., Chiaro G. & Kiyota T. (2017). Monotonic and cyclic undrained torsional shear behavior of Aso pumice soil. Bulletin of Earthquake Resistant Structure Research Center, Institute of Industrial Science, University of Tokyo, 50: 1-10.
Umar M., Chiaro G. & Kiyota T. (2016). Deformation properties of very loose sand in undrained cyclic torsional shear tests with initial static shear. Bulletin of Earthquake Resistant Structure Research Center, Institute of Industrial Science, University of Tokyo, 49: in press.
Pokhrel P.M., Kiyota T., Kuwano R., Chiaro G., Katagiri T. & Arai I. (2015). Sinkhole damage in Armala area in Pokhara, Nepal: preliminary survey report. Bulletin of Earthquake Resistant Structure Research Center, Institute of Industrial Science, University of Tokyo, 48: 39-50.
Chiaro G., Kiyota T., Umehara Y., Hosono Y., Yagiura Y. & Chiba H. (2015). Use of Gel-Push sampling to obtain undisturbed sandy samples for liquefaction analyses. Bulletin of Earthquake Resistant Structure Research Center, Institute of Industrial Science, University of Tokyo, 48: 21-30.
Fevrier J., Sato T., Chiaro G. & Koseki J. (2011). Effects of initial static shear on the behavior of partially and fully saturated Inagi sand. Bulletin of Earthquake Resistant Structure Research Center, Institute of Industrial Science, University of Tokyo, 44: 113-123.
Chiaro G., Koseki J. & De Silva L.I.N. (2011). Modeling the cyclic undrained behavior of sand with initial static shear stress. Bulletin of Earthquake Resistant Structure Research Center, Institute of Industrial Science, University of Tokyo, 44: 87-99.
Chiaro G., Kiyota T., De Silva L.I.N., Sato T. & Koseki J. (2010). Undrained cyclic torsional shear behavior of saturated sand with static shear. Bulletin of Earthquake Resistant Structure Research Center, Institute of Industrial Science, University of Tokyo, 43: 161-172.
Chiaro G., Kiyota T., De Silva L.I.N., Sato T. & Koseki J. (2009). Effect of static shear stress on undrained cyclic behavior of saturated sand. Bulletin of Earthquake Resistant Structure Research Center, Institute of Industrial Science, University of Tokyo, 42: 63-71.
Non-Peer-Reviewed Papers in Conference Proceedings
Banasiak L.J., Sutton R., Chiaro G., Palermo A., Granello G. (2022).Recycling of end-of-life tyres in seismic isolation foundation systems. NZHS MSNZ Joint Conference, Dunedin, NZ, pp. 2 (extended abstract).
Banasiak L.J., Chiaro G., Palermo A., Granello G. (2019). Environmental implications of end-of-life tyres on groundwater and their reuse in civil engineering applications. Proc. of NZ Hydrological Society Conference, Dec. 3-6, Rotorua, New Zealand, pp. 2 (extended abstract).
Paolella L., Scapagna R.L., Chiaro G. & Modoni G. (2018). Pericolosita' da liquefazione valutata mediante analisi statistica di geodatabase. In: Proc. Incontro Annuale dei Ricercatori di Geotechnica (IARG), July 4-6, Genova, Italy.
Paolella L., Scapagna R.L. & Chiaro G. (2017). Previsione degli effetti da liquefazione su scala urbana [Prediction of liquefaction impact at urban scale]. In: Proc. of the 7th Italian Young Geotechnical Engineers (IAGIG) Meeting – Catania (Italy), 19–20 May, pp. 6.
Chiaro G. (2016). Understanding the mechanics of earthquake-induced flow liquefaction: from observations to predictions. In: U.S.–New Zealand–Japan International Workshop: Liquefaction-Induced Ground Movement Effects, 2-4 Nov., Berkeley, California, USA. PEER Report No. 2017/02, 21-22.
Umar M., Chiaro G. & Kiyota T. (2016). Effect of initial static shear on strain localization characteristic of loose sand in undrained cyclic torsional shear test. JAEE Annual Meeting, Kochi, Japan, pp. 6.
Umar M., Chiaro G. & Kiyota T. (2015). Undrained cyclic behavior of Toyoura sand under irregular and equivalent uniform torsional shear stress laoding. In: Proc. of the 35th JSCE Earthquake Engineering Symposium, Oct. 6, Odaiba, Tokyo, Japan, CD-ROM, pp. 2.
Miyamoto H., Namikawa T., Kiyota T & Chiaro G. (2015). クライストチャーチ地震による液状化噴砂試料を用いた大ひずみ非排水繰返しせん断挙動に関する研究 [Large strain undrained cyclic torsional shear behavior of Christchurch boiled sand]. In: Proc. of the 50th Japanese National Conference on Geotechnical Engineering, JGS, Sapporo, Japan, CD-ROM, 1951-1952 (in Japanese).
Umehara Y. Hosono Y. Kiyota T., Chiaro G., Yaguira Y. & Chiba. H. (2015). 液状化地点の砂地盤から採取したGel-Pushサンプリング試料の品質評価 [Quality assessment of gel-push samples collected from sandy layer at liquefaction site]. In: Proc. of the 50th Japanese National Conference on Geotechnical Engineering, JGS, Sapporo, Japan, CD-ROM, 233-234 (in Japanese).
Wu C.Y., Kiyota T., Chiaro G. & Katagiri T. (2015). 排水繰り返し載荷が緩い豊浦砂の圧縮強度変形特性と液状化強度に及ぼす影響 [Effects of drained cyclic loading on copressive strength characteristics and liquefaction strength of loose Toyoura sand. In: Proc. of the 50th Japanese National Conference on Geotechnical Engineering, JGS, Sapporo, Japan, CD-ROM, 1947-1948 (in Japanese).
Arai I, Kiyota T., Kuwano R., KatagiriT, Chiaro G. & Pokhrel R.M. (2015). ネパール・ポカラで頻発する自然堆積地盤の陥没調査 [Field survey on sinkhole in natural deposit in Pokhara, Nepal]. In: Proc. of the 50th Japanese National Conference on Geotechnical Engineering, JGS, Sapporo, Japan, 2247-2248 (in Japanese).
Chiaro G., Kiyota T. & Koseki J. (2014). Failure modes of loose Toyoura sand under various levels of static shear by torsional simple shear tests. In: Proc. 16th International Summer Symposium of JSCE, Sept. 10, Osaka, Japan, 79-80.
Tasalloti A., Indraratna B., Heitor A., Rujikiatkamjorn C. & Chiaro G. (2014). Geotechnical assessment on the behaviour of cola wash-steel furnace slag bends as structural fill. 2014 AGS Sydney Young Geotechnical Professional’s Night, Sydney, Australia, pp. 9.
Chiaro G., Koseki J. & Kiyota T. (2014). An investigation on the liquefaction behavior of sandy sloped ground during the 1964 Niigata Earthquake. In: Proc. of the 6th Japan-Taiwan Workshop on Geotechnical Hazards, Kitakyushu, Japan, 41-42.
Koseki J., Chiaro G., Sato T. & Kiyota T. (2011). 飽和豊浦砂の非排水大ひずみ繰返しねじりせん断特性に及ぼす初期せん断の影響 [Effects of initial shear on large deformation behavior of saturated Toyoura sand in undrained cyclic torsional shear]. In: Proc. of the 46th Japanese National Conference on Geotechnical Engineering, JGS, Kobe, Japan, CD-ROM, 423-424 (in Japanese).
Gazzellone A., Albano M., Chiaro G. & Modoni G. (2009). Influenza della composizione granulometrica sul comportamento tenso-deformativo dei terreni sabbiosi [Effect of grading on stress-strain behaviour of sandy soils]. In: Proc. of the Incontro Annuale dei Ricercatori di Geotecnica (IARG 2009), Rome, Italy, 1-6 (in Italian).
Edited Conference Proceedings
Chiaro G. & Yoshimi M. (2019). Proceedings of the 1st New Zealand-Japan Joint Symposium on Structural and Geotechnical Earthquake Engineering. 27 November 2018, Christchurch, New Zealand, pp. 317.
Edited Books
Jastrzębska M., Kazimierowicz-Frankowska K., Chiaro G., Rybak J. (2023). New Frontiers in Sustainable Geotechnics. Applied Sciences MDPI, pp. 366.
Technical Reports
Chiaro G., Stringer M., Wotherspoon L., Pokhrel A., Stolte A. (2022). Site characterisation and liquefaction potential of Blenheim gravelly sandy deposits. EQC Report 81/760, pp. 28.
Bastin S., Bradley B., Bray J.D., Cappellaro C., Chiaro G., Cubrinovski M., de la Torre C., Green R., McGann C., Olsen M., Palermo A., Stringer M. & Wotherspoon L. (2017). Geotechnical reconnaissance of the 2016 Mw7.8 Kaikoura, New Zealand Earthquake. UC Research Report 2017-07, pp. 251.
Bradley B., Bray J.D., Chiaro G., Cubrinovski M., de la Torre C., Olsen M. & Wotherspoon L. (2017). Liquefaction effects and associated damage at the Port of Wellington. UC Research Report 2017-08, pp. 84.
Chiaro G., Alexander G., Brabhaharan P. & Massey C. (2016). Report on geotechnical and geological aspects of the 2016 Kumamoto Earthquake, NZSEE LFE Mission Seminar, Auckland (17 Aug), Christchurch (6 Sept) and Wellington (12 Sept), PPT slides, pp. 82 (commissioned by NZSEE).
Chiaro G., Alexander G., Brabhaharan P. & Massey C. (2016). Learning from Earthquakes Mission: Kumamoto Earthquake 2016, Japan, In-Country Report (commissioned by NZSEE).
Chiaro G., Kiyota T., Pokhrel R.M., Katagiri T., Goda K. & Sharma K. (2015). Geotechnical damage in rural areas caused by the 2015 Nepal Gorkha Earthquake. JGS Briefing of the damage caused by the 2015 Nepal Earthquake, June 1, Sengoku, Tokyo, Japan, PPT slides, pp. 35 (commissioned by JGS).
Pokhrel R.M., Chiaro G., Kiyota T., Katagiri T., Goda K. & Sharma K. (2015). Preliminary damage survey report on 2015 Nepal Gorkha Earthquake. JSCE Briefing of the damage caused by the 2015 Nepal Earthquake, May 13, Komaba, Tokyo, Japan, PPT slides, pp. 54 (commissioned by JSCE).
Kiyota T., Pokhrel R.M., Chiaro G., Katagiri T., Goda K. & Sharma K. (2015). 土木学会・地盤工学会合同 ネパール地震緊急被害調査団（先遣隊） クイックレポート [Quick report on geotechnical and structural damages by the 2015 Nepal Earthquake]. JGS & JSCE Survey Report pp. 14 (in Japanese), (commissioned by JSCE and JGS).
Theses
Chiaro G. (2010). Deformation properties of sand with initial static shear in undrained cyclic torsional shear tests and their modeling. PhD Thesis, Dept. of Civil Engineering, University of Tokyo, Japan, pp. 310.
Chiaro G. (2007). Analisi sperimentale del compattamento dei mezzi granulari [Experimental analysis of the compaction of granular materials], MSc. Civ. Eng. Thesis, University of Cassino, Italy (in Italian).
Chiaro G. (2004). Progetto di ponti con e senza isolamento sismico [Design of bridges with and without seismic isolation], BSc. Civ. Eng. Thesis, University of Cassino, Italy (in Italian).