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Steel arch concrete simply supported beam

A concrete-filled steel tube and concrete technology, which is applied to joists, girders, trusses, etc., can solve the problems of material waste and large amount of steel, and achieve the effect of meeting engineering requirements, improving bearing capacity, and reducing the amount of steel and concrete.

Inactive Publication Date: 2005-03-02
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, steel-reinforced concrete beams use a large amount of steel, and the steel reinforcement near the neutral axis has not yet fully exerted its mechanical properties, resulting in a large waste of materials

Method used

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  • Steel arch concrete simply supported beam
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Embodiment Construction

[0012] Such as figure 1 , 2 As shown, the steel arch concrete simply supported beam supported by fixed support 7 and sliding support 8 is mainly composed of steel frame (or concrete filled steel tube) 1, high-strength steel bar (or high-strength steel wire bundle) 2, longitudinal steel bar 4, concrete 5, stirrup 6 composition. The two ends of the internal steel frame (or steel tube concrete) 1 are connected with high-strength steel bars (or high-strength steel wire bundles) 2 through connectors 3;

[0013] The main part of the steel arch concrete simply supported beam, that is, the tie rod arch (or cable arch) composed of high-strength steel bar (or high-strength steel wire bundle)-steel bone (or steel tube concrete), can be constructed according to the height and span requirements of the building and structural analysis. The obtained load is subjected to finite element analysis, and the corresponding detailed design is carried out according to the analysis results; then, pr...

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Abstract

The steel arch concrete simply supported beam consists of steel skeleton or steel pipe concrete, high strength steel bar or wire cable, longitudinal steel rib, concrete and hoop rib. The inside steel skeleton or steel pipe concrete has two ends connected to high strength steel bar or wire cable to constitute the key stress part of the steel arch concrete simply supported beam; and the outside of the steel arch concrete simply supported beam has longitudinal steel rib and hoop rib configured and concreted deposited. The steel arch concrete simply supported beam has raised bearing capacity and low cost.

Description

technical field [0001] The invention relates to the field of building structures, in particular to a steel arch concrete simply supported beam that can be directly applied to a transfer floor girder in a high-rise building structure. Background technique [0002] At present, in the structure of high-rise buildings, due to the complex load and stress form of the transfer floor girder, if ordinary reinforced concrete beams are used, a higher reinforcement ratio is generally required, which often leads to difficulties in the arrangement of reinforcement bars, and there may also be over-reinforced beams The hidden danger of brittle failure. [0003] When the above methods cannot meet the bearing capacity or stiffness requirements, steel reinforced concrete beams are often used in engineering to achieve the purpose of increasing bearing capacity and reducing brittle failure. However, steel-reinforced concrete beams use a large amount of steel, and the steel reinforcement near th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04C3/20E04C5/01
Inventor 吴波吴建营
Owner SOUTH CHINA UNIV OF TECH
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