laye can be made through reinforce the thick floor slab.the high-frequency impervious layer is applicablefor dam which thickness is 5cm and gradient is90.

• 高频振动灌浆防渗板是一次施工完毕，不需架设模板，厚度一般为5厘米，凡是坡度90度以内的坝面，均可适用。