In the old roof can be directly on the construction of the waterproofinglayer.
屋面可在旧的防水层上直接施工。
2
Besides structural self-waterproofing of Xuanwu Lake Tunnel, Nanjing, an additional waterproofinglayer was set up to ensure waterproofing reliability.
为保证防水效果,南京玄武湖隧道除结构自防水外还设置了附加防水层。
3
Established the calculation model of waterproof layer tensile above bridge crack, compute a minimum extension and strength the waterproofinglayer must have hi a certain width crack.