Foundation pit excavation supporting structure and supporting method: Fid-Bau Portal

Foundation pit excavation supporting structure and supporting method

ZHAO FUHAO / GUO XIN / ZHAO BINGQIN / ZHAO JINGLE

The invention discloses a foundation pit excavation supporting structure and a supporting method, and relates to the technical field of foundation pit construction, the foundation pit excavation supporting structure comprises a supporting column, inner grooves are formed in the two ends of the supporting column, driving shafts are rotatably connected into the inner grooves, one ends of the driving shafts are connected with connecting pipe fittings in a penetrating mode, and the driving shafts are in threaded connection with display frame assemblies; transverse supporting plates are rotationally connected to the two sides of one end of the connecting pipe fitting, and the structure of the display rack assembly moves towards one end of the inner groove by rotating the driving shaft piece, so that the structure of the display rack assembly is driven to pull the vertical supporting plates and the transverse supporting plates; the structure of the display rack assembly, the connecting pipe fitting, the vertical supporting plate and the transverse supporting plate are shrunk, so that the structure is recycled, the foundation pit dismounting speed of constructors is increased, meanwhile, the retracted structure is small in size and low in space occupancy rate, and the constructors can conveniently recycle, store, transfer and use the structure.

本申请公开了一种基坑开挖支护结构及支护方法,涉及基坑施工技术领域，包括支撑柱，所述支撑柱的两端均开设有内槽，所述内槽的内部转动连接有驱动轴件，所述驱动轴件的一端贯穿连接有连接管件，且驱动轴件上螺纹连接有展架组件，所述连接管件的一端两侧均转动连接有横向支撑板，通过回转驱动轴件，使得展架组件的结构朝着内槽一端移动，进而带动展架组件的结构对竖直支撑板和横向支撑板进行拉动，使得展架组件的结构与连接管件、竖直支撑板、横向支撑板进行收缩，以此对该结构进行回收，提高施工人员对基坑的拆卸速度，同时回缩后的结构体积变小，空间占用率较低，方便施工人员回收储存、转运使用。

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