Abstract: Based?on?the?numerical?results?got?by?finite?element?method,?the?influences?of?multiple?locations?of?impervious?curtain?on?the?saturation?line?and?seepage?are?discussed.?The?general?tendency?of?saturation?line?and?seepage?change?is?elaborated,?and?the?conclusion?that?the?most?favorable?location?of?impervious?body?of?homogeneous?dam?foundation?is?on?the?dam?axis?and?the?upper?part?of?dam?axis?is?drawn,?however,?with?the?increase?of?kx/ky,?the?impervious?effect?of?the?impervious?body?of?dam?foundation?will?decrease?gradually.

Key words: finite element , homogeneous dam , anisotropic dam , saturation line , seepage

摘要： 基于有限元数值计算结果,分别讨论了均质土坝和各向异性土坝多个位置坝基防渗帷幕对浸润线和渗流量 的影响,阐述了浸润线和渗流量变化的一般趋势,得出了均质土坝最有利的坝基防渗体位置位于坝轴线或坝轴线 上游附近坝基中的结论,但随着kx/ky 的增大,坝基防渗体的防渗作用将逐渐减小。

关键词: 有限元, 均质土坝, 各向异性土坝, 浸润线, 渗流量