顾名思义，透水地基就是地基会渗水，像砂卵石地基，不透水地基地基不能渗水，像岩基。
迄今为止，已有大量的文献介绍建立在透水或不透水地基上的土坝渗流计算方法。
Lots of articles have introduced the calculation method of earth dam seepage with pervious ground base or impervious ground base so far.
本文以砂模型试验为基础，探讨了不透水地基均质土坝非稳定渗流的物理力学过程。
In this paper, we utilize sand model test as the basis to study the physical and mechanical processes of unsteady seepage in homogeneous earth DAMS on impervious foundation.
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