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Liquefaction Potential for Kolkata City

Author

Listed:
  • Ravi Sankar Jakka

    (Department of Earthquake Engineering, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand, India)

  • Amit Shiuly

    (Meghnad Saha Institute of Technology, Techno India University, Kolkata, West Bengal, India)

  • Ranjit Das

    (Department of Earthquake Engineering, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand, India)

Abstract

This paper presents the liquefaction potential of densely populated Kolkata city, which is situated on the world's largest delta island with very soft and thick alluvial soil deposits. Due to presence of soft alluvium deposits at shallow depths, soil resistance against liquefaction is expected to be less. Additionally, large thickness of soil layers may amplify the ground shaking resulting in high seismic demand on the soil. Here in this study, variation of factor of safety against liquefaction is evaluated with depth at different locations in Kolkota city. The study founds striking results that the Kolkata city soils are less prone to liquefaction even though there is significant ground amplification due to presence of thick soil deposits.

Suggested Citation

  • Ravi Sankar Jakka & Amit Shiuly & Ranjit Das, 2013. "Liquefaction Potential for Kolkata City," International Journal of Geotechnical Earthquake Engineering (IJGEE), IGI Global, vol. 4(2), pages 18-33, July.
    • Handle: RePEc:igg:jgee00:v:4:y:2013:i:2:p:18-33
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    Cited by:

    1. Bhavesh Pandey & Ravi S. Jakka & Ashok Kumar, 2016. "Influence of local site conditions on strong ground motion characteristics at Tarai region of Uttarakhand, India," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 81(2), pages 1073-1089, March.
    2. Bhavesh Pandey & Ravi Jakka & Ashok Kumar, 2016. "Influence of local site conditions on strong ground motion characteristics at Tarai region of Uttarakhand, India," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 81(2), pages 1073-1089, March.

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