Underground deformation joint waterproof structure and preparation method and application thereof: Fid-Bau Portal

Underground deformation joint waterproof structure and preparation method and application thereof

YU JIANPING / YU HAO

The invention provides an underground deformation joint waterproof structure and a preparation method and application thereof, and relates to the technical field of waterproof structures. In the underground deformation joint waterproof structure provided by the invention, the high-elasticity waterproof layer and the elastic mortar layer have flexibility and durability, so that the deformation capability of the underground deformation joint waterproof structure adapting to a deformation joint can be improved; moreover, the high-elasticity waterproof layer 4 and the elastic mortar layer 5 also have an auxiliary anti-seepage function in the deformation joint, so that not only can water (if a water stop belt fails) on the outer side of the deformation joint be prevented from entering the inner side (a tunnel or an underground space), but also water (such as a water delivery tunnel) in the tunnel can be prevented from permeating into the outer side of the deformation joint through the deformation joint, and the performance of resisting the pressure of reverse water is excellent.

本发明提供了一种地下变形缝防水结构及其制备方法和应用，涉及防水结构技术领域。本发明提供的地下变形缝防水结构中，高弹性防水层和弹性砂浆层具有柔韧性和耐久型，能够提高地下变形缝防水结构适应变形缝的变形能力；而且，高弹性防水层4和弹性砂浆层5在变形缝内还具有辅助防渗功能，既可以阻止变形缝外侧的水(如果止水带失效)进入内侧(隧洞或者地下空间)，又可阻止隧洞内的水(如输水隧洞)通过变形缝渗入变形缝外侧，其抵抗反向水的压力的性能优异。

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