基于计算力学的混凝土水坝抗震研究与实践

Research and Practice on Seismic Resistance of Concrete Dams Based on Computational Mechanics

本研究旨在利用计算力学方法,对一座典型的重力式混凝土水坝在地震作用下的抗震性能进行评估,以提高水坝的抗震能力。建立了混凝土水坝的有限元模型,并根据实际情况设置混凝土材料的参数。针对不同地震场景,设置不同的地震输入,并进行有限元动态分析,模拟水坝在地震中的动态响应。通过震动模式分析和抗震性能指标计算,对水坝的抗震性能进行评估,为优化水坝设计和抗震管理提供重要参考。本研究为混凝土水坝的抗震性能评估和优化提供了新的视角和思路,对于水坝的安全运行具有重要意义。

This study aims to evaluate the seismic performance of a typical gravity concrete dam under earthquake action using computational mechanics methods,in order to improve the seismic capacity of the dam.Afinite element model of the concrete dam has been established,and the parameters of the concrete material have been set according to the actual situation.Set different earthquake inputs for different earthquake scenarios and conductfinite element dynamic analysis to simulate the dynamic response of dams during earthquakes.Evaluate the seismic performance of the dam through vibration mode analysis and seismic performance index calculation.This study provides a new perspective and approach for the evaluation and optimization of seismic performance of concrete dams,which is of great significance for the safe operation of dams.