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Truss type steel reinforced concrete beam with full bolted connection and construction method

A technology of concrete beams and construction methods, which is applied in the direction of load-bearing elongated structural components, structural elements, building components, etc., can solve the problems of cost impact, on-site construction process impact, and difficulty in lifting, and achieves a reduction in self-weight. Effect

Pending Publication Date: 2019-09-17
SHENZHEN GENERAL INST OF ARCHITECTURAL DESIGN & RES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The steel section of the existing steel concrete beams is basically continuous I-beam and other types of profiles. When the main beam structure of the long-span beam is mostly concrete structure, and only a small part of the beam structure is steel concrete structure, because the steel The heavy weight makes it difficult to lift, and it is necessary to add a large tower crane with a lifting capacity matching the steel beam to hoist the steel beam, which will have a great impact on the construction cost
In addition, if additional tower crane hoisting steel is added, there will be a cross-effect between the hoisting in place and the civil construction process, which will also have a great impact on the site construction process

Method used

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  • Truss type steel reinforced concrete beam with full bolted connection and construction method
  • Truss type steel reinforced concrete beam with full bolted connection and construction method
  • Truss type steel reinforced concrete beam with full bolted connection and construction method

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Experimental program
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Effect test

Embodiment 1

[0049] Please also refer to Figure 1 to Figure 3 , the fully bolted truss-type steel concrete beam provided by Embodiment 1 of the present invention, the truss-type steel-concrete beam includes a concrete beam body 1 and a truss-type steel 2 arranged in the concrete beam body 1, and the truss-type steel 2 includes a first steel plate 21. The second steel plate 22 and the connection assembly 23. The first steel plate 21 includes an upper flange plate 211 and a first web 212 extending downward from the upper flange plate 211. The second steel plate 22 is arranged below the first steel plate 21 and Spaced apart from the first steel plate 21, the second steel plate 22 includes a lower flange plate 221 and a second web 222 extending upward from the lower flange plate 221, and the connecting assembly 23 is connected to the first web 212 and the second web 222 .

[0050] In this way, since the section steel in the truss-type steel concrete beam is transformed from the traditional i...

Embodiment 2

[0067] see Figure 10 Embodiment 2 of the present invention provides a construction method for fully bolted truss type steel concrete beams. For the specific structure of fully bolted truss type steel concrete beams, please refer to Embodiment 1, which will not be repeated in this embodiment. The construction method of the fully bolted truss type steel concrete beam is as follows:

[0068] 201: supporting an installation platform at a preset installation position.

[0069] In this embodiment, according to the structure of the fully bolted truss-type steel-concrete beam, a matching installation platform is supported in the preset installation position, so as to facilitate the installation of the truss-type steel and the hanging formwork for the subsequent installation of the concrete beam.

[0070] 202: Elevate the first steel plate, the second steel plate and the connecting component to a preset installation position and place them on the installation platform.

[0071] In t...

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Abstract

The invention relates to the technical field of architectural design and construction, and particularly discloses a truss type steel reinforced concrete beam with full bolted connection and a construction method. The truss type steel reinforced concrete beam comprises a concrete beam body and truss type profile steel arranged in the concrete beam body, wherein the truss type profile steel comprises first steel plates, second steel plates and connecting assemblies, and the connecting assemblies are connected to first webs of the first steel plates and second webs of the second steel plates. By adopting the way, since the profile steel in the truss type steel reinforced concrete beam is transformed from traditional integrated profile steel into the truss type profile steel which is formed by splicing the first steel plates, the second steel plates and the connecting assemblies, the truss type profile steel can be lifted in sections, the weight of the profile steel which needs to the lifted is effectively reduced, and the difficulty of lifting is reduced; and moreover, since the truss type profile steel is formed by connecting the first steel plates and the second steel plates through the connecting assemblies, the height of the truss type profile steel can be adjusted according to the height of the beam section so as to meet different use requirements.

Description

technical field [0001] The invention relates to the technical field of architectural design and construction, in particular to a truss type steel concrete beam connected by full bolts and a construction method. Background technique [0002] Steel concrete beams are widely used in the construction of long-span beams due to their high strength, small deformation, strong durability and flexible layout. The steel section of the existing steel concrete beams is basically continuous I-beam and other types of profiles. When the main beam structure of the long-span beam is mostly concrete structure, and only a small part of the beam structure is steel concrete structure, because the steel The heavy weight makes it difficult to lift, and it is necessary to add a large tower crane with a lifting capacity matching the steel beam to hoist the steel beam, which will have a great impact on the construction cost. In addition, if an additional tower crane is added to lift the section steel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04C3/293E04C5/065
CPCE04C3/293E04C5/065
Inventor 凌江林勤鹏曾莉华
Owner SHENZHEN GENERAL INST OF ARCHITECTURAL DESIGN & RES
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