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Gravity dams serve as critical infrastructure for water storage, flood control, and energy generation. Ensuring their structural integrity under seismic loading is essential for safeguarding lives, pr...operty, and the environment against the catastrophic consequences of dam failure. This study discusses the seismic response of the concrete gravity dam that was given the earthquake and hydrostatic forces using ABAQUS, which was validated with the experimental result from Hai-tao et al. study. In this case, four main variables, such as mesh size, dam gradient, dam width, and earthquake’s peak due to Koyna earthquake in Mumbai, India are evaluated to compare the response of the dam under seismic response. The result shows larger gradient can be used to reduce stress on the dam's neck, a larger gradient on the dam's neck can have a negative impact because the majority of stress is distributed on the bottom part of the dam. In addition, varying the width of the dam's structure offers a potential solution to decrease stress on its lower section. However, as the width increases, tensile damage tendencies shift towards the upstream face, which is unfavorable. This indicates a heightened risk of the dam's susceptibility to fracture during earthquakes.show more
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