强震区高面板堆石坝抗震安全性评价  

Seismic Safety Evaluation for High Concrete Faced Rockfill Dam in Strong Earthquake Area

作　　者：赵剑明[1] 刘小生[1] 陈宁[1] 刘启旺[1] 王宏[1] 

机构地区：[1]中国水利水电科学研究院,北京100048

出　　处：《西北地震学报》2011年第3期233-238,共6页Northwestern Seismological Journal

基　　金：国家"十一五"科技支撑项目(2009BAK56B02);水利部"948"项目(200929)

摘　　要：针对西部强震区高面板堆石坝,在三维非线性动力有限元分析基础上分析评价了面板堆石坝的加速度和应力反应、面板的应力及接缝变形、坝体地震残余变形、坝体单元抗震安全性、坝坡的抗震稳定性,对大坝的抗震安全性进行了综合评价。所提出的抗震安全性评价方法以及有关规律和结论可供工程建设参考。Based on 3-D nonlinear dynamic FEM method,taking a high concrete faced rockfill dam（CFRD） as study object,a set of comprehensive seismic safety evaluation method for the dam is proposed.The acceleration response and shear stress response,the stress and joint displacement of the concrete face,the earthquake-induced permanent deformation,the element anti-seismic safety,the dynamic stability of dam slope are studied.The proposed evaluation method and conclusions are valuable for engineering construction.

关 键 词：面板堆石坝 地震安全性评价 地震残余变形 动力稳定性 

分 类 号：TU435[建筑科学—岩土工程]