Flat steel plate bolt splicing type foundation pit supporting structure: Fid-Bau Portal

Flat steel plate bolt splicing type foundation pit supporting structure

GUO CAIXIA / ZHAO YINGJIE / WANG KAI / WANG LINGJI / LI YONGJIAN

The invention relates to the field of engineering construction, in particular to a flat steel plate bolt splicing type foundation pit supporting structure which comprises annular supporting units. The annular supporting unit comprises a plurality of flat steel plates; a plurality of assembling holes are formed in the left side and the right side of each flat steel plate, two vertical plates are arranged at the butt joint position between every two adjacent flat steel plates, two columns of assembling holes are symmetrically formed in the vertical plates in the vertical direction, and bolts penetrate through the assembling holes of the flat steel plates and the assembling holes of the vertical plates in a threaded mode. The flat steel plate bolt splicing type foundation pit supporting structure has the advantages of flexible splicing of a plurality of flat steel plates, convenience in construction, low carbon, reusability, high industrialization degree and the like, meanwhile, the upper annular supporting unit and the lower annular supporting unit are stacked to form a stable axial supporting unit, the supporting effect is good, and the construction safety is guaranteed.

本发明涉及工程建设领域，具体是一种平钢板螺栓拼接式基坑支护结构，包括环形支撑单元；所述环形支撑单元包括多张平钢板；每张平钢板的左右两侧开设多个组装孔，相邻两张平钢板之间对接位置设有两条竖板，竖板竖直方向上对称开设两列组装孔，螺栓螺纹贯穿平钢板和竖板的组装孔；该平钢板螺栓拼接式基坑支护结构，通过多张平钢板灵活拼接，施工便捷、低碳可重复利用、工业化程度高等优点，同时上下两个环形支撑单元叠放，形成稳定的轴向支撑单元，支护效果好，保证施工安全性。

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