摘要
拱坝坝肩动力抗滑稳定分析,关系到拱坝建设是否安全可靠及经济合理,具有重大的意义.结合工程实例,以有限元理论为基础,利用拱坝抗震研究的静动组合算法,首先在静力工况下求解出坝体作用于坝肩滑体的作用力,在此基础上,保持与静力工况同样的材料折减系数,施加由反应谱法得到的地震荷载,进行降强稳定计算,得出动力安全系数,为工程建设提供了设计依据.
Dynamic stability analysis of dam abutment is related to safety,reliablity and rationality,which gives significant consideration on arch dam development.This paper aims at an engineering project,using static and dynamic combined method,firstly to slove the static forces from dam body to dam abutment;then using strength reduction method combined with seismic load got from response spectrum with the same strength reduction factor to get the dynamic safety factor.The results provide design basis for the projects.
出处
《三峡大学学报（自然科学版）》
CAS
2011年第1期13-16,共4页
Journal of China Three Gorges University：Natural Sciences
关键词
拱坝
坝肩
动力抗滑稳定
降强法
静动组合算法
arch dam
dam abutment
dynamic anti-slide stabiity
strength reduction method
static and dynamic combined method
