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Hollow floor filled by breathable box

The technology of hollow floor cover and ventilation box is applied in the direction of floor slabs, building components, buildings, etc., which can solve the problems of inconvenient filling material binding steel bars, low rigidity of filling materials, and large buoyancy of filling materials, etc., so as to overcome construction difficulties and achieve thermal insulation effects. Good, large span effect

Active Publication Date: 2016-02-03
BEIJING YINTAIJIAN PRESTRESSING ENG
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Problems solved by technology

[0006] Aiming at the problems existing in the existing hollow floor technology such as the large buoyancy of the filling material in the concrete pouring process, the small stiffness of the filling material, the difficulty in pipeline construction, the high transportation cost, and the troublesome binding of steel bars at the bottom of the filling material, the purpose of the present invention is to provide a Hollow floor slab filled with ventilation box

Method used

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Embodiment Construction

[0031] The present invention is realized in the following manner:

[0032] exist Figure 1-Figure 3 , Figure 8 In the shown embodiment, a hollow slab filled with air-permeable boxes, the hollow slab (1) includes beam upper iron (2), beam lower iron (3), rib beam stirrups (4), plate iron (5), concrete (6) and breathable box combination (7), beam upper iron, beam lower iron and rib beam stirrups constitute rib beam (8), and the rib beam with two directions orthogonal to each other connects the hollow floor The plane is divided into a plurality of compartments (9), and the vent box (10) forms a vent box assembly (7) together with the steel wire mesh (11) and the positioning spacer (12), and the vent box assembly is installed in each compartment, Bind plate iron on the upper part of the ventilation box assembly, and form a hollow floor after pouring concrete, and the thickness of the concrete at the lower part of the ventilation box is ≥ 30mm.

[0033] exist Figure 1-Figure ...

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Abstract

The invention relates to a hollow floor filled by breathable boxes and a manufacturing method of the hollow floor and belongs to the field of general building structures. The hollow floor (1) comprises beam top iron pieces (2), beam bottom iron pieces (3), ribbed beam stirrups (4), plate top iron pieces (5), concrete (6) and breathable box combined bodies (7), wherein the beam top iron pieces, beam bottom iron pieces and ribbed beam stirrups form ribbed beams (8); the hollow floor plane is divided into multiple partitions (9) by two ribbed beams of which the directions are mutually orthogonal; the breathable boxes (10), steel wire meshes (11) and positioning separators (12) form the breathable box combined bodies (7); the breathable box combined body is mounted in each partition; the plate top iron pieces are assembled on the upper part of the breathable box combined body; the hollow floor is formed after concreting; and the thickness of the concrete on the lower part of the breathable box is more than or equal to 30mm. According to the hollow floor disclosed by the invention, raw material production and field floor construction are extremely convenient, and the hollow floor is large in span, light in weight and high in structural reliability, shock resistance and crack resistance.

Description

(1) Technical field [0001] The invention relates to a cast-in-situ concrete hollow floor structure, in particular to a hollow floor filled with a ventilating box and a manufacturing method thereof, belonging to the field of general building construction. (2) Background technology [0002] In the field of construction, with the increasing number of long-span concrete structures, more and more floor slabs adopt hollow-core floor structure technology. Replacing part of the concrete with lightweight filling materials will basically not affect the mechanical performance of the structure, but it can greatly reduce the self-weight of the structure. According to the current "Technical Regulations for Cast-in-situ Concrete Hollow Floors" JGJ / T268-2012, according to the different filling methods of filling materials, it can be divided into hollow slabs with built-in filling bodies, hollow slabs with single-sided exposed filling bodies and hollow slabs with double-sided exposed filling...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B5/36
Inventor 徐焱郭伍常王立国吴建辉丁艳涛陈静波
Owner BEIJING YINTAIJIAN PRESTRESSING ENG
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