Publications
Publications
Full text of PhD and MTech Theses can be found on the "Research" page.
Gowtham, G. and Sahoo, J.P. (2026). Significance of Primary Waves on the Seismic Stability of Underground Tunnels: A Numerical Perspective. International Journal for Numerical and Analytical Methods in Geomechanics. https://doi.org/10.1002/nag.70235 [Link (read-only)]
Gowtham, G., and Sahoo, J.P. (2026). Pseudo-Static vs Pseudo-Dynamic Methods: A General Comparison and Their Application to Underground Tunnel Stability. Soil Dynamics and Earthquake Engineering, 200. https://doi.org/10.1016/j.soildyn.2025.109888 [Link to file]
Gowtham, G., and Sahoo, J.P. (2025). Effect of seismic body wave propagation on the stability of piggyback twin circular tunnels. Journal of Earthquake Engineering. 29(10). 2175–2191. https://doi.org/10.1080/13632469.2025.2515444 [Link to file]
Gowtham, G., and Sahoo, J.P. (2025). Seismic active earth pressure of granular soils considering inhomogeneous wave velocities under harmonic excitation. Journal of Geotechnical and Geoenvironmental Engineering, ASCE. 151(4). https://doi.org/10.1061/JGGEFK.GTENG-12755 [Link to file]
Gowtham, G., and Sahoo, J.P. (2024). Stability analysis of circular tunnels using spatiotemporal accelerations formulated considering heterogeneity of seismic wave propagation velocities. Soil Dynamics and Earthquake Engineering, 181. https://doi.org/10.1016/j.soildyn.2024.108654 [Link to file]
Gowtham, G., and Sahoo, J.P. (2024). Seismic stability analysis of square and rectangular tunnels in cohesive-frictional soils. Natural Hazards Review, ASCE, 25(3). https://doi.org/10.1061/NHREFO.NHENG-1955 [Link to file]
Gowtham, G., and Sahoo, J.P. (2024). Seismic stability of circular tunnels in anisotropic granular soil with surcharge loading based on the modified pseudo-dynamic approach. International Journal of Geomechanics, ASCE, 24(5). https://doi.org/10.1061/IJGNAI.GMENG-9293 [Link to file]
Gowtham, G., and Sahoo, J.P. Stability of square and rectangular tunnels in sand under seismic loading. Natural Hazards 119, 1863–1881 (2023). https://doi.org/10.1007/s11069-023-06188-3 [Link to file]
Sahoo, J. P., and Gowtham, G. (2023). Stability evaluation of circular tunnels in cohesive frictional soil under earthquake loading using the modified pseudo-dynamic approach. Soil Dynamics and Earthquake Engineering, 166. https://doi.org/10.1016/j.soildyn.2022.107740 [Link to file]