非均匀地震输入下的拱坝动力反应

Dynamic Response of Arch Dam under Input of Non-uniform Earthquake

通过对二滩等拱坝的动力反应分析,探讨了影响坝肩地震加速度分布的主要因素和坝肩地震加速度的分布规律,研究了坝肩地震动力放大作用、地震行波效应及坝肩地震自由场运动对拱坝动力反应的影响。

In combination with dynamic response analysis of Ertan Arch Dom.the paper probes into main factors influencing seismic acceleration distribution at dam abutment and the distribution law. studies dynamic magnifying effect of dam abutment earthquake, travelling wave effect and the impact of seismic free field movement at dam abutment on dynamic reaction of arch dam.