在坝面铺上防渗PVC土工膜衬垫，并与PVC膜片焊接固定在一起。
The impervious PVC geomembrane liner is deployed over the dam face and anchored by welding to the PVC flaps.
因此一般采用上游坝面铺设复合土工膜和坝基垂直防渗措施进行防渗漏处理。
A combined measure of paving compound film on the upstream surface of dam and setting up vertical anti-seepage in dam foundation is adopted to treat leakage.
目前在土石坝中已经被广泛的采用，主要介绍了土工膜的防渗形式及防渗结构，根据土石坝不同的情况可因地制宜，灵活选择应用。
On the basis of examining features of varied seepage prevention structures of RCC dam, the application of seepage prevention structure with asphalt concrete is mainly discussed.
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