Water conservancy project impermeable membrane cofferdam structure and construction method thereof: Fid-Bau Portal

Water conservancy project impermeable membrane cofferdam structure and construction method thereof

CAO SHUANGLI

The invention relates to a water conservancy project impermeable membrane cofferdam structure and a construction method thereof. The water conservancy project impermeable membrane cofferdam structure comprises a plurality of cofferdam bodies, wherein one side plate surface of each cofferdam body is an upstream face; the back face of the upstream face is a downstream face; an impermeable membrane is arranged on the upstream face; a first connecting piece is arranged at the bottom end of the upstream face; the first connecting piece is detachably connected with a fixing assembly; the fixing assembly is anchored in a geologic body; a second connecting piece is arranged on one side edge of each cofferdam body; a third connecting piece matched with the first connecting piece in size and shape is arranged on the other side edge of each cofferdam body; and the cofferdam bodies are sequentially and detachably connected to form the cofferdam structure. By means of the scheme, the fixing assembly is fixed to the upstream of a water conservancy project construction area to be constructed to fix the cofferdam bodies, meanwhile, the cofferdam bodies are anchored through anchoring assemblies, and therefore the purpose of rapid mounting and dismounting is achieved; and meanwhile, the technical defect that in the prior art, a cofferdam structure is not completely dismounted is effectively overcome.

本发明涉及水利工程防渗膜围堰结构及其施工方法，包括若干围堰体，所述围堰体的一侧板面为迎水面，所述迎水面的背面为背水面，所述迎水面上布置有防渗膜，所述迎水面的底端设置有第一连接件，所述第一连接件可拆卸连接有固定组件，所述固定组件锚固在地质体中，所述围堰体的一侧边上设置有第二连接件，另一侧边上设置有与所述第一连接件的大小、形状相适配的第三连接件，各所述围堰体依次可拆卸相连形成围堰结构。通过上述方案，将固定组件固定在待进行水利工程施工区的上游对围堰体进行固定，同时利用锚固组件对围堰体进行锚固，使得本发明实现了快速安装和拆卸的目的，同时的，有效解决了现有技术中存在的对围堰结构拆除不完全的技术缺陷。

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