Integral laminated slab composite beam

A technology of laminated slabs and composite beams, applied in the direction of joists, girders, truss beams, etc., can solve the problems of insufficient integrity of prefabricated slabs, and achieve the effects of reducing the lack of integrity of components, firm connections, and simple construction methods

Active Publication Date: 2019-05-21
SHANDONG JIANZHU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The scheme disclosed in the present invention solves the problem of insufficient integrity of the prefabricated slab by combining the prefabricated slab and the pouring layer, and uses truss reinforcement as an auxiliary connection between the prefabricated layer and the pouring layer, which improves the integrity of the composite beam component of the laminated slab

Method used

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  • Integral laminated slab composite beam
  • Integral laminated slab composite beam
  • Integral laminated slab composite beam

Examples

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Effect test

Embodiment 1

[0043] An integral laminated slab composite beam, comprising a plurality of composite sub-beams capable of being connected to each other, the composite sub-beams comprising a prefabricated layer, the prefabricated layer having a plurality of overlapping steel bars 2, and a plurality of prefabricated sub-beams The sides of the layers are provided with joints 3, and the overlapping steel bars 2 are exposed from the joints 3; the tops and sides of multiple composite sub-beams are covered and connected by pouring layers 7; the prefabricated layers and the pouring layers 7 They are connected by truss reinforcement 1. The pouring layer 7 is connected to at least one straight side of the steel beam 5 through a shear connector 6 . The solution disclosed in the present invention solves the problem of insufficient integrity of the prefabricated slab 4 by combining the prefabricated slab 4 with the pouring layer 7, uses the truss steel bar 1 as an auxiliary connection between the prefabr...

Embodiment 2

[0059] A method for manufacturing an integral laminated slab composite beam, comprising the following steps:

[0060] - weld the shear connector 6 on the upper flange of the steel beam 5;

[0061] -Processing the prefabricated slab 4, when the prefabricated slab 4 is processed, the truss reinforcement 1 needs to be pre-placed in the slab, a part of the truss reinforcement 1 is embedded in the prefabricated slab 4, and the other part is embedded in the pouring layer after the pouring layer is poured;

[0062] - Place one end of the prefabricated slab 4 on the upper flange of the steel beam 5, and the shelving size is set according to the design requirements.

[0063] -Leave a certain length of overlapping steel bars 2 at the splicing parts of adjacent prefabricated panels 4. The position of the overlapping steel bars 2 is also the joint 3 between adjacent prefabricated panels 4. A part of the formwork should be laid under the joints 3 .

[0064] - laying prefabricated slabs 4...

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Abstract

The invention discloses an integrated laminated slab composite beam, comprising a plurality of composite sub-beams which can be connected with one another, each composite sub-beam comprises a prefabricated layer, a plurality of lap joint steel bars are arranged in each prefabricated layer, splicing seams are formed in the side faces of the prefabricated layers, and the lap joint steel bars are exposed out of the splicing seams. The tops and the side parts of the plurality of composite sub-beams are covered and connected by a pouring layer. The prefabricated layers and the pouring layer are connected through truss steel bars. The pouring layer is connected with at least one straight side face of a steel beam through shear-resistant connecting pieces. According to the integrated laminated slab composite beam, the problem that the integrity of a prefabricated slab is insufficient is solved, the integrity of a laminated slab composite beam component is improved, and an unexpected state isnot prone to occurring.

Description

technical field [0001] The invention belongs to the field of building materials, and in particular relates to an integral laminated plate composite beam. Background technique [0002] Steel-concrete composite beams take advantage of the tensile properties of steel and the compressive properties of concrete, and have the advantage of light weight compared to ordinary concrete beams, so they are widely used in building structures. [0003] There are still a lot of wet work in the field construction of traditional composite beams, and a lot of formwork is needed during construction. With the advancement of prefabricated building structures in recent years, a new type of integral laminated slab composite beam has emerged. The integral laminated slab composite beam also has the mechanical properties of traditional composite beams. The steel beam is connected as a whole through shear connectors, and the laminated slab is composed of prefabricated slab and pouring layer. As a par...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B5/36E04C3/04
Inventor 吕俊利周圣楠吕京京蔡永远陈其超仲崇强
Owner SHANDONG JIANZHU UNIV
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