Fabricated profile steel-concrete supporting rod pieces for foundation pit supporting: Fid-Bau Portal

Fabricated profile steel-concrete supporting rod pieces for foundation pit supporting

ZHANG XING / LIU KANG / LIU GUANGLEI / LI JUN

The invention relates to fabricated profile steel-concrete supporting rod pieces for foundation pit supporting. The fabricated profile steel-concrete supporting rod pieces for foundation pit supporting mainly comprise profile steel components, concrete components, end plates and studs, the profile steel components form a closed rectangular space and two open groove-shaped spaces, and the concretecomponents are positioned inside the rectangular space and are connected with the profile steel components through the studs, and bolt holes are reserved in the groove-shaped spaces at certain intervals; and the supporting rod pieces are made of a certain modulus of length, the end plates are welded to the two ends of each support, and the bolt holes are reserved. The profile steel-concrete supporting rod pieces are standard pieces machined in a factory, are transported to a building construction site and are assembled and installed on site through bolts and connecting components, the construction efficiency of the foundation pit horizontal supporting structure can be greatly improved, the profile steel-concrete supporting rod pieces can be detached and overhauled to be used for the next project after the service cycle of the foundation pit horizontal supporting structure is finished, environment-friendly construction is achieved, and the construction cost is effectively reduced.

本发明涉及一种用于基坑支护的装配式型钢‑混凝土支撑杆件，其主要包括型钢构件、混凝土构件、端头板、栓钉，型钢构件形成一个封闭的矩形空间和两个敞口的槽形空间，混凝土构件位于矩形空间内部并通过栓钉与型钢构件连接，槽形空间以一定间距预留螺栓孔。支撑杆件采用一定模数的长度制作，每根支撑的两端均焊有端头板并预留螺栓孔。型钢‑混凝土支撑杆件为工厂加工的标准件，运至建筑施工现场，通过螺栓及连接构件进行现场装配安装，可大幅提高基坑水平支护结构的施工效率，基坑水平支护结构的使用周期结束后，可拆除、检修后用于下一工程，实现绿色施工，有效降低施工成本。

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