Advanced sealing structure, construction structure and construction method for post-cast strip of basement roof: Fid-Bau Portal

Advanced sealing structure, construction structure and construction method for post-cast strip of basement roof

YANG MING / QIU MAO / ZHENG SHA / CHEN WEIQUAN

The invention discloses a basement roof post-cast strip advanced sealing structure, a construction structure and a construction method, and relates to the technical field of advanced construction.The basement roof post-cast strip advanced sealing structure comprises a plurality of concrete slabs and a plurality of steel stand pipes, and the concrete slabs are used for being laid on basement roofs on the two sides of the top of a roof post-cast strip and fixedly connected with the basement roofs; the concrete slabs are bonded and fixed, arched grooves are formed in the bottoms of the concrete slabs in the length direction, a through positioning inner ring sleeve is arranged in the middle of part of the concrete slabs, and the top of the positioning inner ring sleeve extends out of the concrete slabs to form a vertical pipe connecting part; the steel vertical pipe is used for sleeving the outer side of the vertical pipe connecting part, construction is convenient, and the construction period is shortened.

本发明公开了一种地下室顶板后浇带超前封闭结构、施工结构及施工方法，涉及超前施工技术领域，包括：多个混凝土板和多个钢立管，混凝土板用于铺设于顶板后浇带顶部两侧的地下室顶板上且与地下室顶板固定连接，各混凝土板之间粘接固定，混凝土板的底部在长度方向上设置有拱形凹槽，部分混凝土板中部设置有贯通的定位内环套，定位内环套的顶部伸出混凝土板形成立管连接部；钢立管用于套设于立管连接部的外侧，施工便捷、节约工期。

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