Large deformation was induced in soils of a certain reservoir bottom during the first water impounding, and resulted in cracks in the asphalt concrete imperviousface.
某水库库底地基变形较大，蓄水初期曾引起库底沥青混凝土防渗护面开裂。
2
The impervious PVC geomembrane liner is deployed over the dam face and anchored by welding to the PVC flaps.
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。
3
The reinforced concrete face-slab is adopted as impervious body by Long Tan RCC Dam.