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Construction method for light tube non-prestress hollow floor system

A non-prestressed, hollow-core floor technology, applied to floors, building components, buildings, etc., can solve the problems of construction restrictions, floor self-heaviness, and affecting building spans, and achieve simple construction and installation, high earthquake resistance, and increased Effect of Structural Span and Plane Bay Dimensions

Inactive Publication Date: 2013-07-03
江苏扬州建工建设集团有限公司
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AI Technical Summary

Problems solved by technology

Due to the high proportion of concrete, the weight of the floor built by the above method directly affects the span of the building, and the construction of multi-storey or high-rise buildings with large spans and large spaces is restricted.

Method used

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  • Construction method for light tube non-prestress hollow floor system
  • Construction method for light tube non-prestress hollow floor system

Examples

Experimental program
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Embodiment Construction

[0031] Construction example: A project in Ningxia: construction area 20875㎡, frame 5 floors, designed hollow floor area of ​​about 9493㎡ (of which: 1st floor 3173.22㎡, second floor 2787.74㎡, third floor 476.21㎡, fourth floor 1766.03㎡, fifth floor floor 1289.8㎡), the strength grade of the hollow slab concrete is C30, and the structural slab thickness of the hollow slab is 260mm. The design adopts the lightweight tube non-prestressed hollow floor structure technology of the present invention.

[0032] Key points of process operation:

[0033] 1. Make the foam combination plate: use steel bar welding to arrange four hard foam steel grids in parallel, and assemble the same shape of hard foam in the steel grid to form a number of foam combinations plates.

[0034] Among them, the rigid foam can be made of polystyrene foam material, its cross-section is square or hexagonal, the width, thickness and length are 210 mm, 150 mm and 1000 mm respectively, and it is formed by 4 rigid ...

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Abstract

A construction method for a light tube non-prestress hollow floor system relates to the technical field of building construction. The method comprises procedures of foam composite plate manufacturing, template supporting and arranging and lower-layer stress rib binding, wire tube laying, reinforcing steel bar split head arranging, foam composite plate fixing, upper frame stud binding and concrete casting. The floor system is high in hollowness, and low in water absorption, and has superior heat insulation performance, and the construction method can lower floor system cost, facilitates subsequent ornament construction, and is comparatively suitable for two-way plates and prestress structures.

Description

technical field [0001] The invention relates to the technical field of building construction, in particular to a construction method for a large-span floor (also called a floor). Background technique [0002] Existing floors (also known as floor slabs) are mostly composed of concrete and steel bars. People first support the formwork, then bind the steel bar layer consisting of the lower stress bars and the upper bar erection bars, and then pour concrete so that the bars are The strength support body, after curing and curing, remove the formwork. Due to the large proportion of concrete, the self-heaviness of the floor built by the above method directly affects the span of the building, and the construction of multi-storey or high-rise buildings with large spans and large spaces is restricted. [0003] In addition, energy saving and consumption reduction and sustainable development are the main theme of the development of the times. Rigid foaming materials such as polystyren...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B5/48
Inventor 姜忠
Owner 江苏扬州建工建设集团有限公司
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