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Shear Wave Velocity Investigation for Ten Representative Sites of National Capital Territory, New Delhi, India

Author

Listed:
  • A.K. Mahajan

    (Wadia Institute of Himalayan Geology, India)

  • A.K. Shukla

    (Earthquake Risk Evaluation Center, India)

  • Ajit Pandey

    (Earthquake Risk Evaluation Center, India)

  • Mukesh Chauhan

    (Wadia Institute of Himalayan Geology, India)

  • Neetu Chauhan

    (Wadia Institute of Himalayan Geology, India)

  • Nitesh Rai

    (Wadia Institute of Himalayan Geology, India)

Abstract

In this paper, shear wave velocity (Vs) investigations are carried out using Multichannel analysis of surface waves (MASW) method at ten representative sites in the NCT region, New Delhi. The analysis shows that the Vs obtained from the sites located on Alwar quartzites of Delhi Super Group ranges from 770 m/s to 2800 m/s, whereas on other sites located on lake/river sediments (Nazafgarh, Balsava and Akshar Dham) have Vs less than 180 m/s. The sites located on thick sediments shows Vs of the order of 180 m/s to 250 m/s. According to the soil classification, the sites covered can be classified under three categories: Class ‘B’ (Vs30 as >760m/s; JNU site and Asola site), class ‘D’ (Vs30>180 m/sec-360; Bhavana, Suhalpur, Ghazipur and Kirbi cantt. sites), whereas the sites located near lake/river sediments are classified as class ‘E’ (with very soft soil) and will be prone to liquefaction potential during strong earthquake shaking.

Suggested Citation

  • A.K. Mahajan & A.K. Shukla & Ajit Pandey & Mukesh Chauhan & Neetu Chauhan & Nitesh Rai, 2011. "Shear Wave Velocity Investigation for Ten Representative Sites of National Capital Territory, New Delhi, India," International Journal of Geotechnical Earthquake Engineering (IJGEE), IGI Global, vol. 2(1), pages 29-43, January.
    • Handle: RePEc:igg:jgee00:v:2:y:2011:i:1:p:29-43
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