Basement exterior wall waterproof structure and construction method: Fid-Bau Portal

Basement exterior wall waterproof structure and construction method

LIU HONGMING / FAN GANG

The invention discloses a basement exterior wall waterproof structure and a construction method, and belongs to the field of building waterproofness. The basement exterior wall waterproof structure comprises a right-angle section, the right-angle section is formed by basement pouring and forms an included angle with the ground, brick masonry is built on the right-angle section, and an extruded sheet is installed between the brick masonry and the right-angle section; a waterproof coiled material and an additional coiled material are installed between the extruded sheet and the right-angle section, the waterproof coiled material is suitable for being attached to the outer side of the right-angle section, and the additional coiled material is arranged between the waterproof coiled material and the right-angle section; and a groove is formed in the right-angle section, the waterproof coiled material and the additional coiled material are suitable for being attached to the inner wall of the groove, and the length of the waterproof coiled material is larger than that of the additional coiled material. The technical problem that later reworking is caused due to the fact that bi-directional water seepage is prone to occurring to a basement exterior wall is solved.

本发明公开了一种地下室外墙防水构造及施工方法，属于建筑防水领域，包括直角断面，所述直角断面为地下室浇筑与地面形成夹角，所述直角断面上砌筑有砖砌体，所述砖砌体与直角断面之间安装有挤塑板，所述挤塑板与直角断面之间安装有防水卷材和附加卷材，所述防水卷材适于贴合在直角断面外侧，所述附加卷材设置与防水卷材与直角断面之间；所述直角断面上设置有凹槽，所述防水卷材与附加卷材适于贴合凹槽的内壁，所述防水卷材的长度大于附加卷材；本发明解决了地下室外墙容易双向渗水，导致后期返工的技术问题。

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