the concrete impervious wall for the second phase cofferdam in the three gorges project is the key to the cofferdam.
三峡工程二期围堰混凝土防渗墻是围堰工程成败的关键。
large deformation was induced in soils of a certain reservoir bottom during the first water impounding, and resulted in cracks in the asphalt concrete impervious face.
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。
the design was taken an asphalt concrete impervious layer alternative as winter construction and pressing construction stage.
考虑冬季施工、工期紧等因素,设计采用沥青混凝土防渗层方案。
then, disfigurements are found on the concrete impervious wall.
西藏直孔水电站堆石坝基础采用混凝土防渗墻。