Foundation pit supporting structure and construction process thereof: Fid-Bau Portal

Foundation pit supporting structure and construction process thereof

YUAN LIANJIA / YUAN JIAWEI / YUAN JIAKANG / YUAN JIAJING

The invention relates to the technical field of building construction, in particular to a foundation pit supporting structure and a construction technology thereof. The foundation pit supporting structure comprises a supporting pile outer layer, the supporting pile outer layer is composed of a waterproof curtain and a fender post which are arranged side by side, and the supporting pile outer layercomprises an inclined supporting section; a first top beam is arranged at the upper end of the fender post of the inclined strut section and fixedly connected with an inclined strut, and a concrete support is fixedly connected to the end, away from the first top beam, of the inclined strut and arranged on a bottom plate of the building body. The foundation pit supporting structure has the beneficial effects that the installation space of the inclined strut does not need to be reserved during construction, the construction cost is reduced, and the foundation pit supporting structure is suitable for various construction working conditions.

本发明涉及建筑施工的技术领域，尤其是涉及一种基坑支护结构及其施工工艺，该基坑支护结构其包括支护桩外层，所述支护桩外层由并排设置的止水帷幕以及围护桩组成，所述支护桩外层包括斜撑段；所述斜撑段的围护桩上端设置有第一冠梁，所述第一冠梁固定连接有斜撑，斜撑远离第一冠梁的一端固定连接有混凝土支座，所述混凝土支座设置于楼房主体的底板上。本发明其具有的效果是：该基坑支护结构在施工时无需预留斜撑的安装空间，降低了施工成本，且适用于多种施工工况。

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