【摘要】 介绍了边坡动力稳定性研究常用的拟静力法、时程分析法和动力降强法,探讨了各种方法的特点及问题,以金沙江白鹤滩水电站左岸边坡#2潜在滑动块体为例,借助刚体极限平衡法和FLAC3D软件研究其在地震荷载作用下的稳定性,采用拟静力法、安全系数时程分析法和动力降强法计算、比较了#2块体的动力稳定安全系数,综合评价了该块体的动力稳定性。更多还原

【Abstract】 This paper discusses the characteristics of slope dynamic stability analysis method,which is often studied by pseudo-static method,time history analysis method and strength reduction method.Taking #2 block in left bank of Baihetan project in Jingsha River basin for an example,the limit equilibrium method of rigid body and FLAC3D software are used to analyze the stability under the seismic loading.At the same time,the dynamic stability safety factor is calculated with pseudo static method,time history analysis method and strength reduction method.Finally,the dynamic stability of the block is evaluated synthetically.更多还原