Jacking pouring method for concrete filled steel tubular column with stiffening plates inside: Fid-Bau Portal

Jacking pouring method for concrete filled steel tubular column with stiffening plates inside

ZHAN JINHUA / CAI CHEN / TIAN GUOQING

The invention discloses a jacking pouring method for a concrete filled steel tubular column internally provided with stiffening plates. According to the technical scheme, firstly, mainly aiming at a steel pipe column segmented jacking and segmented jacking and grouting mode, the problem that during one-time jacking and grouting, the pressure is too large, pipe explosion is likely to happen is solved, the operation difficulty is reduced, and the construction efficiency is improved; meanwhile, compared with whole hoisting in the related technology, the method can achieve segmented hoisting, segment-by-segment welding and the like, the weight of a hoisting single hook is reduced, therefore, small hoisting machinery can be selected to complete hoisting work, the construction efficiency is improved, and the construction cost is reduced.

本申请公开了内有加劲板的钢管混凝土柱的顶升浇筑方法。本技术方案中，首先，主要针对钢管柱分段顶升，分段顶升压浆方式，解决一次性顶升压浆时压力过大容易爆管等问题，减小作业难度，提高施工效率。与此同时，与相关技术中整根吊装相比，本申请方法能够分段吊装、逐段焊接等，减小吊装单钩重量，从而可选用较小的吊装机械完成吊装工作，提高施工效率，降低施工成本。

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