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LIQUEFACTION POTENTIAL ASSESSMENT OF CHANDIGARH CITY - A CONVENTIONAL APPROACH (2007)

The current paper aims at presenting the liquefaction potential assessment of Chandigarh city on the basis of local geology, seismotectonics and geotechnical variances. A data of about 200+ bore holes comprising the geotechnical information along with the sub-surface geological features from the existing records is discussed. The liquefaction susceptibility is evaluated from the results of field tests of high strain levels such as SPT substantiated by laboratory tests on soil samples collected from the test sites having high probability of liquefaction. The analysis based on Youd et al (2001) incorporating the modifications to simplified procedure by Seed et al (1971) is used to arrive at the factors of safety against liquefaction. The liquefaction susceptibility levels in different sectors of Chandigarh city with respect to different peak ground motion parameters, which can be utilized for preliminary design purposes. This study is being carried out with the financial support of Deptt. of Science & Technology, Govt. of India.

Reference:
A Workshop on microzonation, 26–27th June, 2007, Bangalore
Organization:
Central Building Research Institute, Roorkee – 247667
India
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