Floor slab structure allowing significant reduction of steel bars
A technology for floor slabs and steel bars, applied in the field of building structural components, can solve the problem of large amount of steel bars, and achieve the effects of reducing the amount of steel bars, saving steel, and saving bearing capacity
Inactive Publication Date: 2015-01-07
北大荒建设集团有限公司
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Problems solved by technology
[0007] In order to solve the problem that the existing reinforced concrete floor slabs have a large amount of steel bars, the present invention further provides a floor structure that can greatly reduce the amount of steel bars
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[0022] Specific embodiments: for illustration in conjunction with the accompanying drawings, the floor structure of this embodiment, which can greatly reduce the amount of reinforcement, includes a concrete body 1 and longitudinal reinforcement bars 2 and transverse reinforcement bars 3 arranged in the concrete body 1. The longitudinal reinforcement bars 2 and the transverse reinforcement bars The reinforcement bars 3 are fixed to form a reinforcement mesh, and the longitudinal reinforcement bars 2 and the transverse reinforcement bars 3 are all made of flat steel, and the longitudinal reinforcement bars 2 and the transverse reinforcement bars 3 are arranged from dense to sparse from the edge of the central area of the floor to the outer edge of the floor, and the central area of the floor occupies 4% to 5% of the total area of the floor slab, and only in the central area of the floor slab, steel bars are arranged according to the maximum positive bending moment of the f...
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The invention provides a floor slab structure allowing significant reduction of steel bars and belongs to the technical field of building structure components. The floor slab structure aims at solving the problem that the existing reinforced concrete floor slab is large in steel bar use amount. The floor slab structure comprises a concrete body, longitudinal steel bars and transverse steel bars; the longitudinal steel bars and the transverse steel bars are arranged in the concrete body; the longitudinal steel bars and the transverse steel bars fixedly form a steel bar net; the longitudinal steel bars and the transverse steel bars are formed by flat steel; the longitudinal steel bars and the transverse steel bars are gradually sparsely from the edge of a center area of the floor slab to the outer edge of the floor slab; the center area of the floor slab is 4 to 5% of the total area of the floor slab; the steel bars are arranged in the center area of the floor slab according to the maximum positive bending moment of the floor slab. According to the floor slab structure allowing the significant reduction of the steel bars, about 40% of steel bars can be saved for the floor slab.
Description
technical field [0001] The invention relates to a floor slab structure, in particular to a floor slab structure capable of greatly reducing the amount of steel bars, and belongs to the technical field of building structure components. Background technique [0002] The steel concrete floor slab is the same as other steel concrete structures, and all steel bars with circular cross-sections are used, including smooth round steel and threaded round steel. The floor is a flexural member, usually of small thickness, and a protective layer should be provided under the steel bar, and the position of the tensile steel bar is relatively high, that is, the distance between the center line of the steel bar and the compression center of the concrete (as the moment arm of the bending moment) is very small. In order to form a certain bending strength, therefore, the amount of reinforcement can only be increased, thus increasing the construction cost. [0003] In addition, for flexural mem...
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IPC IPC(8): E04B5/32
Inventor 高家荣于秉坤刘伟梁秀新
Owner 北大荒建设集团有限公司