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In-site prestressed concrete sandwiched composite beamless floor structure system and construction method

A beamless floor and concrete technology, applied in the direction of floor, building, building components, etc., to achieve the effect of balanced force, low cost and low construction noise

Inactive Publication Date: 2007-01-10
胡战波
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the above-mentioned problems that cannot fully meet the needs of construction projects due to the shortcomings of the current cast-in-place concrete beamless floor structure, and provide a cast-in-place concrete beamless floor structure that can fully meet the needs of construction projects. That is to provide an improved cast-in-place prestressed concrete sandwich composite beamless floor structure and construction method, so that it can not only meet the requirements of construction projects, but also meet the national requirements for environmental protection and energy saving of construction products

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  • In-site prestressed concrete sandwiched composite beamless floor structure system and construction method
  • In-site prestressed concrete sandwiched composite beamless floor structure system and construction method

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Embodiment Construction

[0018] Such as figure 1 , 2 , 3, the cast-in-situ prestressed concrete sandwich composite beamless floor structure of the present invention includes a beamless floor slab body 1 without exposed beams. The beamless floor slab body 1 is provided with the main dark plate rib 3 in the slab and the secondary dark plate rib 4 arranged in a well-shaped pattern, and the main dark plate rib 3 in the slab is equipped with prestressed steel bars 5 and stressed steel bars 6 , in the upper and lower slab shells of the beamless floor slab body 1 and the secondary dark slab ribs 4 in the slab arranged in a well-shaped pattern, there are reinforced steel bars 7 in the slab, and the main dark slab in the slab of the beamless floor slab body 1 The inner space formed by the plate ribs 3 and the secondary dark plate ribs 4 in the slab arranged in a well-shaped pattern is filled with a lightweight solid plate core 2 . The prestressed steel bar 5 and the stressed steel bar 6 are equipped in the m...

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Abstract

This invention discloses a kind of sandwich and compound beamless slab construction of watering prestress concrete and its constructing method. This construction includes beamless slab body, ribs of inner main and dark slabs and ribs of inner secondary dark slabs with cross arranged. The prestess and stress concrete reinforced bars are arranged in the ribs of main and dark slabs, and the stress concrete reinforced bars are laid out in the upper and lower crust of beamless slab body and in the inner secondary dark slabs with cross arranged. The inner space of the body is stuffed with polystyrene foam sandwich boards. In the job site, first, the form board is propped up and the prestress bars are arranged and stretched and drawn; second, the polystyrene foam sandwich boards should be laid out and fastened and the stress bars are arranged; then the concrete is poured and shaped into the construction, which can satisfy the constructing load-bearing requirements like fireproofing, sound insulation, heat insulation, high-intensity and light quality. Such beamless slab can be used in civilian and various industries construction.

Description

technical field [0001] The invention relates to a floor slab structure of multiple and high-rise construction projects, in particular a cast-in-place prestressed concrete sandwich composite beamless floor structure suitable for construction projects with strict requirements on building storey height and large load and span. Background technique [0002] At present, the prestressed or non-prestressed cast-in-place concrete beamless floor slab structure adopted by the known traditional construction methods has a large thickness and self-weight, high cost, and is limited by the span of the slab, so it is difficult to popularize. In recent years, prestressed cast-in-place concrete hollow slab structures have emerged. Since the pipes used to form the hollow in the plate can only be arranged in one direction, the internal force distribution of the plate in the vertical and horizontal directions is quite different. The direction along the pipe is the main force direction, and the d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04B5/43E04B5/32
Inventor 胡战波
Owner 胡战波
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