Assessment of Earthquake Induced Liquefaction Hazard in Jammu & Kashmir: Step for Site Safety and Resilient Foundation

This study provides a database for designers working on the construction, development, and expansion-related projects in J&K for developing any prospective earthquake-induced liquefaction mitigation strategies.
Dr. Abdullah Ansari, Dept of Smart City Engineering, Inha University, Republic of Korea, and Dept of Civil Engineering, IIT Delhi

In this study, an attempt is made to generate hazard maps for the Jammu Region (JR) in Jammu and Kashmir in terms of surface peak ground acceleration (PGAsurface), liquefaction zonation, and vulnerability index (Kg). For the study, the seismic response in 200 sites was examined, and amplification factors at 0.01 s, 0.2 s, 1 s, and 10 s were estimated, based on site-specific PGAsurface. The calculated factor of safety from field approaches was normalised to produce an integrated liquefaction zonation map. Field data from geophysical testing was also used to generate a vulnerability distribution for the study area.

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NBM&CW SEPTEMBER 2023

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