Study of Response of Gravity Dam Under Earthquake Acceleration

Arun. K. S; S. Raghuraman; Shabeer M K

CALL FOR PAPERS : Feb-2026

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25-Feb-26

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Study of Response of Gravity Dam Under Earthquake Acceleration

Author(s):

Arun. K. S , RVS TECHNICAL CAMPUS, COIMBATORE; S. Raghuraman, RVS TECHNICAL CAMPUS, COIMBATORE; Shabeer M K, RVS TECHNICAL CAMPUS, COIMBATORE

Keywords:

gravity dam, dam-foundation-reservoir, seismic analysis

Abstract:

Gravity dam is a huge artificial structure to confine and keep back the flowing water mainly for the generation of electricity. The huge capital outlay required for the dam construction coupled with the devastating effect it can have on life and property in case of failure, is a cause of great concern. Thus it is essential to ensure the safety of the dam in the design, pre-construction and post construction stages. The response of the dam under seismic loading is a combined effect of the interaction among dam, reservoir and foundation. The present code for the design of dam considers 0.1g as the maximum value of earthquake acceleration. This study involves the finite element modelling of gravity dam subjected to earthquake acceleration having maximum amplitude of 0.5g in software ANSYS 12.0 and finding out the type of failure, the dam likely to suffer. The effect of the cross section in resisting the failure is also studied.