Foundation pit supporting structure and foundation pit supporting installation method: Fid-Bau Portal

Foundation pit supporting structure and foundation pit supporting installation method

ZHANG HUI / LONG JUNZHOU / LIU LANQI / LIU HONGYU / WAN SHUANGXIANG / XU BIN

The invention relates to the technical field of foundation pit supporting, in particular to a foundation pit supporting structure and a foundation pit supporting installation method. According to the technical scheme, the device is characterized by comprising a stirring wall buried in a soil layer and profile steel inserted into the stirring wall, and further comprising a guide rail assembly laid on the soil layer and close to the top end of the profile steel; one end of each telescopic support is movably arranged at the corresponding guide rail assembly; the mounting platform is provided with a first through hole allowing profile steel to penetrate through, the mounting platform is connected with the other ends of the telescopic supports, and the telescopic supports are arranged on the periphery of the mounting platform and used for horizontally adjusting the mounting platform; and the clamping guide assembly is arranged on the mounting platform and used for clamping the profile steel to limit profile steel deviation, the effect of improving the position insertion accuracy of the profile steel is achieved, the difficulty of profile steel insertion correction and later pile pulling is reduced, and the structural safety and economic benefits are optimized and improved.

本申请涉及基坑支护的技术领域，尤其是涉及一种基坑支护结构及基坑支护安装方法。其技术方案的要点是：包括埋设在土层内的搅拌墙以及插接于搅拌墙内的型钢，还包括导轨组件，铺设在土层上，并靠近型钢的顶端；多组伸缩支架，一端活动设于所述导轨组件处；安装平台，具有供型钢穿透的第一通孔，与所述伸缩支架另一端连接，并且若干所述伸缩支架布置于所述安装平台的四周，用于水平调整安装平台；以及夹持导向组件，设于所述安装平台上，用于夹持型钢以限制型钢偏移，本申请具有提升型钢的位置插入准度的作用，减少了型钢插入矫正、后期拔桩时的难度，结构的安全性以及经济效益都得到优化提升。

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