Partially prefabricated double-layer steel reinforced concrete L-shaped column

Abstract

The invention discloses a partially prefabricated double-layer steel reinforced concrete L-shaped column. The partially prefabricated double-layer steel reinforced concrete L-shaped column comprises an L-shaped column shell and cast-in-place concrete, wherein the L-shaped column shell comprises prefabricated concrete and an L-shaped steel framework; the steel framework comprises outer-layer open-web type L-shaped steel and inner-layer solid-web type L-shaped steel; a checkered steel plate formwork is adopted between the prefabricated concrete and the cast-in-place concrete; the L-shaped steel framework comprises batten plates, angle steel and L-shaped steel; the L-shaped steel is formed by welding a web, side wing steel plates and cross-shaped steel; and studs are welded on two sides of the web to tie the concrete. The partially prefabricated double-layer steel reinforced concrete L-shaped column has the characteristics that the torsional strength of the L-shaped column is improved, cracks between the cast-in-place concrete and the prefabricated concrete are reduced, the durability, the toughness and the anti-seismic property of the structure are improved, and the bearing capacity and the ductility of the column are improved; and the problems that a full-prefabricated concrete column is difficult to hoist and transport, the time consumed by a cast-in-place concrete column is long, and the environment is polluted are solved.

Description

technical field [0001] The invention relates to a prefabricated and assembled steel concrete special-shaped column, in particular to a partially prefabricated and assembled double-layer steel concrete L-shaped column. Background technique [0002] The composite structure of steel and concrete has been developed so far, and great achievements have been made. Steel concrete has the advantages of both concrete and steel, and can make up for their respective shortcomings. Due to its good mechanical performance and characteristics, the structure formed by the two complementing each other is one of the current development trends in the construction industry. [0003] The traditional construction method in our country is on-site construction. This construction method can no longer meet the society's requirements for low consumption and environmental protection, and the steel concrete structure is different from ordinary reinforced concrete structures. The construction is more diffi...

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Problems solved by technology

[0004] The present invention aims to provide a structure that can enhance the torsional strength of L-shaped columns, reduce cracks between cast-in-place concrete and prefabricated concrete, improve the durability and toughness of the structure, as well as the bearing capacity and ductility of the columns, and can be applied to industrial batches Produce and improve the anti-seismic performance of the building structure, and at the same time reduce the cost of component transportation and hoisting, partially prefabricated and assembled double-layer steel concrete L-shaped columns. environmental problems

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