不同渗流场作用下均质土坝稳定性评价

摘要

Since it is difficult to remove the pore water in homogeneous earth dam because of the filling material, the seepage action has played an important role in the stability of the dam. This paper takes a homogeneous earth dam in Sichuan as example, analysis the variations of seepage field under the maximum water stage, design water lever and the normal water lever according the finite element analysis, then draw a conclusion of the estimation of stability of the dam under the different seepage field.%由于填筑材料的关系，均质土坝坝体土中孔隙水不易及时排水，因此渗流作用对坝体稳定性影响很大。本文以四川地区某均质土坝为例，利用有限元对坝体进行渗流计算，分析了大坝在校核洪水位、设计洪水位和正常蓄水位三种工况下，渗流场变化情况，并以此得出不同渗流场作用下该大坝稳定性评价。