Seismic Hazard Assessment for Indira Sagar Dam

Rakesh Kumar Grover, Tripathi R. K., Rajeev Chandak, Mishra H. K., (doi: 10.23953/cloud.ijaese.304)

Abstract


Indira Sagar Project is a multipurpose project in the state of Madhya Pradesh (India). In this study, seismic hazard has been assessed for Indira Sagar Dam site. The probabilistic Seismic Hazard analysis has been used. Effects of all the faults, who can produce earthquake equal to or more than 3.5 Magnitude and those within a radius of 300 Km from the centre of the Concrete Gravity Dam have been considered. The past history of earthquakes indicated that a total 66 earthquakes of magnitude 3.5 or more have been occurred in last 172 years. The maximum magnitude reported within the region of consideration is 6.2 in 1938 in Satpura range. Probabilistic approach used these data for hazard Analysis. Results are presented in the form of peak ground acceleration and seismic hazard curves.


Keywords


Ground motion; Indira Sagar Dam; Peak ground acceleration; PSHA; Seismic hazard

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