Shallow foundation pit supporting structure and construction method: Fid-Bau Portal

Shallow foundation pit supporting structure and construction method

HUANG CHUNMING / CHEN CHUNLIN / HUANG JIANJUN / LI DANGHUA

The invention discloses a shallow foundation pit supporting structure and a construction method, and belongs to the technical field of shallow foundation pit supporting, the shallow foundation pit supporting structure comprises a plurality of I-shaped steel stand columns distributed in the circumferential direction of the inner wall of a foundation pit, all the I-shaped steel stand columns are vertically and fixedly installed in the foundation pit, and a soil retaining plate is arranged between every two adjacent I-shaped steel stand columns; each I-shaped steel stand column is provided with an abutting mechanism used for abutting against the corresponding soil retaining plate, each abutting mechanism comprises an abutting piece and a rotating assembly, and the abutting pieces are rotationally installed on the I-shaped steel stand columns and located on the sides, away from the pit wall of the foundation pit, of the soil retaining plates. The rotating assembly is used for driving the abutting pieces to rotate in the direction close to or away from the soil retaining plate. The shallow foundation pit supporting structure has the effect of conveniently, rapidly and stably supporting the shallow foundation pit.

本发明公开了一种浅基坑支护结构及施工方法，属于浅基坑支护的技术领域，其包括多个沿基坑内壁周向分布的工字钢立柱，各所述工字钢立柱均竖直固定安装于基坑内，相邻两所述工字钢立柱之间设置有挡土板，各所述工字钢立柱均设置有用于对挡土板进行抵紧的抵紧机构，所述抵紧机构包括抵紧件和转动组件，所述抵紧件转动安装于工字钢立柱并位于挡土板远离基坑坑壁的一侧，所述转动组件用于驱动各抵紧件朝靠近或远离挡土板的方向转动。本申请具有便于快速稳定地实现对浅基坑的支护的效果。

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