Water-rich stratum open cut subway station combined type anti-floating structure: Fid-Bau Portal

Water-rich stratum open cut subway station combined type anti-floating structure

LYU JIE / GENG YU / ZHANG ZHEQIANG / LIU DONGPO

The invention discloses a water-rich stratum open cut subway station combined type anti-floating structure, and relates to the technical field of subway engineering construction.The water-rich stratum open cut subway station combined type anti-floating structure comprises a rock and soil layer and further comprises a subway station, a protective layer is fixedly installed on the outer side of the subway station and is continuous, and the two sides of the subway station are each provided with a first fender post; the two first fender posts are different in length, the long first fender post is connected with the left side of the subway station through a protective layer, the short first fender post is connected with the right side of the subway station through the protective layer, and the top ends of the two first fender posts different in length are each provided with a pressing part. The top ends of the two first fender posts are both higher than the top end of the subway station, and the protective layer forms continuous waterproof protection on the outer side of the station to isolate erosion of water in the water-rich stratum. The construction method is simple in construction and high in applicability, reduces the early-stage cost input of a project, reduces the construction difficulty and effectively shortens the construction period.

本发明公开一种富水地层明挖地铁车站联合式抗浮结构，涉及地铁工程建设技术领域，包括岩土层，还包括地铁车站，所述地铁车站的外侧固定安装有保护层，所述保护层连续不中断，所述地铁车站的两侧分别设置有一根围护桩一，两根所述围护桩一的长度不一致，长度长的所述围护桩一通过保护层与地铁车站的左侧连接，长度短的所述围护桩一通过保护层与地铁车站的右侧连接，两根长度不一致的所述围护桩一的顶端均设置有压紧部，且两个所述围护桩一的顶端均高于地铁车站的顶端，保护层在车站外侧形成连续不断的防水保护，隔绝富水地层内水的侵蚀；本发明施工简单，适用性强，降低工程前期成本投入，降低施工难度，有效缩短施工工期。

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