Building foundation pile head waterproof structure and construction method thereof: Fid-Bau Portal

Building foundation pile head waterproof structure and construction method thereof

WANG JIANGYAN / MEI ZHONGHE / NI YINAN / CHEN TENGLONG / JIN LINA / MA FENXIA

The invention relates to the technical field of building waterproof construction, in particular to a building foundation pile head waterproof structure and a construction method thereof.The building foundation pile head waterproof structure comprises a soil layer and a concrete bearing platform arranged on the surface of the soil layer, a pile head is embedded in the concrete bearing platform, and the pile head penetrates through the concrete bearing platform and is partially arranged in the soil layer; a waterproof coiled material is arranged between the surface of the concrete bearing platform and the pile head, the pile head comprises an upper pile head and a lower pile head which are coaxially and fixedly connected, and the waterproof coiled material is embedded between the upper pile head and the lower pile head. The waterproof coiled material is provided with a reserved structure on the concrete bearing platform, wherein the reserved structure is used for compensating the length of the waterproof coiled material when being stretched. The pile head waterproof structure has the effect that the foundation settlement resistance of the pile head waterproof structure is improved.

本申请涉及建筑防水施工技术领域，尤其是涉及一种建筑基础桩头防水结构及其施工方法，其包括土层和设置于所述土层表面的混凝土承台，所述混凝土承台内埋设有桩头，且所述桩头贯穿所述混凝土承台并部分至于所述土层内，所述混凝土承台的表面和所述桩头之间设置有防水卷材，所述桩头包括上桩头和下桩头，两者同轴固定连接，所述防水卷材埋设于所述上桩头和所述下桩头之间，所述防水卷材于所述混凝土承台上设置有受拉伸时以补偿所述防水卷材长度的预留结构，本申请具有提高桩头防水结构抗地基沉降的能力的效果。

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