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Novel enclosed steel-concrete composite beam

A technology of concrete and composite beams, which is applied in the direction of buildings, building components, and building structures. It can solve the problems of heavy welding workload and complex setting of shear connectors, and achieve fast and convenient construction, simple structure, and enhanced composite effect. Effect

Active Publication Date: 2013-04-24
HEFEI UNIV OF TECH +1
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Problems solved by technology

[0006] Aiming at the problems of the above-mentioned outsourcing steel-concrete composite beams with heavy welding workload and complex installation of shear connectors, the purpose of the present invention is to provide a new type of beam that is easy to shape, easy to construct, economical and applicable, and can realize industrial production. composite beam

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  • Novel enclosed steel-concrete composite beam
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  • Novel enclosed steel-concrete composite beam

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Embodiment Construction

[0025] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0026] The present invention provides a novel outsourcing steel-concrete composite beam, comprising a lower C-shaped steel beam 1, a profiled steel plate 2 fixedly arranged on the upper flange of the C-shaped steel beam 1, and Concrete 3 is integrally poured on the surface of the profiled steel plate 2 to form a composite beam. Wherein, the concrete 2 for monolithic pouring can adopt ordinary concrete, lightweight aggregate concrete or recycled concrete.

[0027] The present invention adopts the form of steel beam outsourcing, and concrete is poured in the beam rib and the surface layer of the profiled steel plate 2 on site, and the integrity between the profiled steel plate 2 and the composite beam is strong, and the joint work performance is good.

[0028] In the present invention, the C-shaped steel girder 1 is made by cold-bendin...

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Abstract

The invention provides a novel enclosed steel-concrete composite beam which comprises a C-shaped steel beam on the lower portion. The composite beam is formed by fixedly arranged profiled steel plates on an upper flange and in a beam rib of the C-shaped steel beam and pouring concrete on the whole face layer of the profiled steel plates. The novel enclosed steel-concrete composite beam is simple in structure, high in composite action, quick and convenient to construct, capable of realizing industrialized production, evident in economic benefit and capable of being applied to civil building floor structures and plays an active role in promoting housing industrialization.

Description

technical field [0001] The invention belongs to the technical field of building structures, and in particular relates to a novel outsourcing steel-concrete composite beam aimed at the industrial production of building houses. Background technique [0002] The existing outsourcing steel-concrete composite beam structures used in the field of building structures mainly include light steel-concrete composite beams, hat-shaped cross-section steel-concrete composite beams and outsourcing thick-slab steel-concrete composite beams. [0003] Among them, the light steel-concrete composite beam is welded with cold-formed thin-walled Z-shaped or C-shaped steel with rolled edges to form an outer steel beam, and then pouring concrete inside and on the upper flange to form a composite beam. The characteristics of this structural form The edge of the bottom and side of the steel beam is used to ensure the bonding performance between the outsourcing steel beam and the concrete, but the cros...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B5/23E04B5/29
Inventor 陈丽华叶正林胡红兵戴吉祥
Owner HEFEI UNIV OF TECH
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