Multi-cavity concrete filled steel tubular column with reinforcement cage and implementation method

Abstract

The invention relates to a multi-cavity concrete filled steel tubular column with a reinforcement cage and an implementation method of the multi-cavity concrete filled steel tubular column, belonging to the energy dissipation and seismic mitigation control field in an architectural structure. The multi-cavity concrete filled steel tubular column with the reinforcement cage comprises a polygonal steel tube, an integrated inner clapboard, an inner clapboard, concrete and the reinforcement cage. Compared with the prior art, the polygonal concrete filled steel tubular column is internally provided with the integrated inner clapboard and the inner clapboard for dividing a large cavity into multiple small cavities, the core concrete constraining ability is improved, the primary lateral rigidity, the bearing force and the drawability of components are improved, the reinforcement cage is arranged in the cavity of the polygonal concrete filled steel tubular column and is matched with a multi-cavity steel tube to achieve combined restraining effect on the concrete and improve the compressive capacity and the drawability of the components.

Description

technical field [0001] The invention relates to a multi-cavity steel pipe concrete column with a steel cage and an implementation method, belonging to the field of energy consumption and shock absorption control in building structures. Background technique [0002] With the steady growth of our country's economy, the progress of society, the improvement of urbanization level, and the further increase of urban population density, a large number of high-rise buildings and super high-rise buildings with complex shapes continue to emerge, which urgently needs new theories and technologies to Support the design and construction of super high-rise buildings. Rectangular CFST columns and circular CFST columns cannot infinitely meet the needs of the project due to their own size and processing technology limitations. Under this premise, the multi-cavity CFST structure will emerge accordingly. [0003] Multi-cavity steel pipe concrete is composed of multi-cavity steel pipe welded by...

AI Technical Summary

Problems solved by technology

Under the action of strong earthquakes, the steel pipe concrete structure is prone to local buckling of the cavity wall, the bearing capacity of the cavity wall decreases, and the core concrete at the corresponding part of the steel plate that bulges out is severely shattered, while other parts may not yet When the yield is reached, the performance of the material is not fully utilized, resulting in material waste, which is also proved by a large number of earthquake damage phenomena.

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