Novel assembled steel-structure adjustable force transmission beam for foundation pit: Fid-Bau Portal

Novel assembled steel-structure adjustable force transmission beam for foundation pit

DONG JINGJING / SHI HUAIXUE / QI GUOQING

The invention discloses a novel assembled steel-structure adjustable force transmission beam for a foundation pit. The force transmission beam comprises an arc steel component, qualitative steel batten plates, a first fixed steel component, first seal head steel plates, force transmission screws, a second fixed steel component, a second seal head steel plate, L-shaped bearing angle steel, chemicalbolts, L-shaped fixed angle steel and three-angle steel batten plates. The force transmission beam has the beneficial effects that section steel raw materials are accurately cut and recombined in a factory to manufacture assembly components, the assembly components are combined into whole unit assembled steel-structure adjustable force transmission beams through adjustable spiral force transmission rod pieces so as to overcome the problems of time and labor consumption and the like in the construction process of a concrete force transmission beam plate, the novel assembled steel-structure adjustable force transmission beam not only solves the problems of difficult construction, complicated procedures and difficult guarantee of quality in the existing structure support changing construction, but also can reduce the field construction operation amount, save the turnover materials such as formworks, steel pipes, reduce the engineering cost and improve the field construction speed.

本发明公开了一种新型基坑装配式钢结构可调节传力梁，包括弧形钢构件、定性钢缀板、第一固定型钢构件、第一封头钢板、传力螺杆、第二固定型钢构件、第二封头钢板、L型承托角钢、化学螺栓、L型固定角钢和三角钢缀板。本发明的有益效果是：将型钢原材在工厂通过精确切割重组制作成组装构配件，通过可调节螺旋传力杆件将构配件组合为一体的单元装配式钢结构可调节传力梁，以克服传混凝土传力梁板施工过程的费时费力等问题，且不仅能解决目前结构换撑施工中施工困难、工序繁琐、质量难以保证的问题,并且能够减少现场施工作业量、节省模板钢管等周转材料、降低工程成本、提高现场施工速度。

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