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Composite beam comprising steel beam with concrete at abdomen

A technology of concrete and composite beams, which is applied in the field of composite beams, can solve problems such as low efficiency and waste, and achieve the effects of simple construction, improved economic performance, and anti-corrosion problems

Inactive Publication Date: 2013-08-28
NANJING UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

According to this design will cause a lot of waste, the efficiency is not high

Method used

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  • Composite beam comprising steel beam with concrete at abdomen
  • Composite beam comprising steel beam with concrete at abdomen
  • Composite beam comprising steel beam with concrete at abdomen

Examples

Experimental program
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Embodiment Construction

[0027] The present invention will be described in detail below in conjunction with specific embodiments.

[0028] like figure 1 As shown, a composite beam with concrete poured on the belly of the steel beam includes a steel beam 1 and a floor panel 7, the belly of the steel beam 1 is poured with concrete 5, and the outer wall of the concrete 5 is connected with the upper and lower flanges of the steel beam 1 The outside of the steel girder 1 is flush with the outer side; the steel girder 1 is buried with a reinforcement cage 4, and the abdominal shear connector 3 is welded, and the abdominal shear connector 3 is used to ensure that the concrete of the steel girder abdomen and the steel beam 1 are reliably bonded and work together; the steel girder 1 The outer shear connector 2 is welded on the outer side of the upper flange, and the combination and joint work of the steel beam 1 and the floor panel 7 are realized through the outer shear connector 2 .

[0029] The outer shear...

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Abstract

The invention discloses a composite beam comprising a steel beam with concrete at the abdomen. The composite beam comprises a steel beam (1) and a floor plate (7), wherein the concrete (5) is poured at the abdomen of the steel beam (1); the outer wall of the concrete (5) is flush with the outer sides of an upper flange and a lower flange of the steel beam (1); a steel reinforcement cage (4) is embedded at the abdomen of the steel beam (1); an abdomen shearing force connecting piece (3) is welded at the abdomen of the steel beam (1); reliable bonding and joint working of the concrete at the abdomen of the steel beam and the steel beam (1) are ensured through the abdomen shearing force connecting piece (3); outer shearing force connecting pieces (2) are welded at the outer side of the upper flange of the steel beam (1); and combination and joint working of the steel beam (1) and the floor plate (7) are realized through the outer shearing force connecting pieces (2). Compared with the prior art, the combination with the floor plate is taken into account, the whole bearing capacity and rigidity are improved, the section height of a member is decreased, and the building clearance is increased, so that the economic performance is greatly improved.

Description

technical field [0001] The invention relates to a composite beam in which concrete is poured into the belly of the steel beam. Background technique [0002] Due to the large number of construction and planning of high-rise and super high-rise buildings, traditional reinforced concrete components can no longer meet the requirements of rigidity and strength. Therefore, an economical and safe structural form has been widely used, which is composite structure. Composite structure is a new structural form developed on the basis of steel structure and reinforced concrete structure. It maximizes strengths and avoids weaknesses, and makes full use of the respective advantages of steel structure and concrete structure. In recent years, the composite structure has developed rapidly in our country, and has been widely used in the fields of high-rise buildings and bridge structures. The application practice of the combined structure in our country shows that it has significant technica...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04C3/293
Inventor 胡夏闽唐伟顾明明施悦王伯亮呼玉琴
Owner NANJING UNIV OF TECH
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