Building environment-friendly heat-preservation prefabricated laminated slab

Abstract

The utility model discloses a building environment-friendly heat preservation prefabricated laminated slab, a plurality of reinforcing cross beams are integrally formed and poured at the top of a bottom plate at equal intervals, a plurality of holes are formed in the bottoms of the reinforcing cross beams at equal intervals, and the holes are used for laying pipelines before the top plate of the laminated slab is poured and increasing the contact area with a cast-in-place slab; prestressed steel strands are installed below the reinforcing cross beams, the front ends and the rear ends of the prestressed steel strands are fixed through fixing anchorage devices, an integrated heat preservation plate is installed at the bottom of the bottom plate and used as a bottom formwork when the prefabricated laminated plate bottom plate is poured, and sound absorption cotton is installed in the tops of the reinforcing cross beams. And upstairs noise interference is reduced. The reinforced concrete slab is reasonable in design, certain reverse supporting force is provided through the built-in prestressed steel strands and the reinforcing cross beams, load bearing is increased, the holes of the reinforcing cross beams are convenient for pipelines to penetrate through and occlusal force of the cast-in-place slab is increased, and noise reduction, environmental protection and heat preservation are achieved through the built-in heat preservation board and the sound absorption cotton.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of building engineering especially relates to a building environmental protection heat preservation prefabricated composite board. BACKGROUND

[0002] The composite floor slab is a kind of assembled monolithic floor slab formed by the prefabricated slab and cast-in-place reinforced concrete layer superposition.The composite floor slab has good integrity, and the upper and lower surfaces of the slab are flat, which is convenient for finishing the surface layer.However, the single-span width of the existing composite board is generally about 6 meters, and the strength of the composite board required by large-span building and the composite board of ordinary load-bearing structure cannot meet the requirements, and the market demand for noise reduction and heat preservation prefabricated composite board increases with the increasing demand for environmental protection building. SUMMARY

[0003] The utility model discloses a building environmental protection heat preservation prefabricated composite board to solve the problems in the prior art.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A kind of building environmental protection heat preservation prefabricated composite board, including bottom plate, reinforcing beam, hole, fixed anchor, prestressed steel strand, integrated heat preservation board, sound-absorbing cotton, the bottom plate top equidistantly integrally formed pouring has several reinforcing beams, the reinforcing beam bottom is equidistantly provided with several holes, for laying pipeline before pouring composite board top plate, and increase the contact area with cast-in-place slab, the bottom plate inside, below reinforcing beam is equipped with prestressed steel strand, and prestressed steel strand front and back two ends are fixed by fixed anchor, the bottom plate bottom is installed integrated heat preservation board, and integrated heat preservation board is used as bottom formwork when prefabricated composite board bottom plate pours, reinforcing beam top inside is equipped with sound-absorbing cotton, reduces the noise interference on the floor.

[0006] Preferably, the building environmental protection heat preservation prefabricated composite board further includes lower reinforcement, upper reinforcement and stirrup, the bottom plate is equidistantly provided with several lower reinforcements, the hole in the reinforcing beam is equipped with upper reinforcement, and the lower reinforcement is equidistantly provided with several connecting stirrups, and the corresponding upper reinforcement on the top is supported by the connecting stirrup.

[0007] The utility model has the advantages of reasonable design, providing certain reverse support force by built-in prestressed steel strand and reinforcing beam, increasing load bearing, the hole of reinforcing beam is convenient for pipe laying and increasing the engagement force of cast-in-place slab, and built-in heat preservation board and sound-absorbing cotton realize noise reduction and environmental protection and heat preservation. BRIEF DESCRIPTION OF DRAWINGS

[0008] Figure 1 It is the structural schematic diagram of the utility model building environmental protection heat preservation prefabricated composite board.

[0009] Fig. 1, bottom plate, 2, reinforcing cross beam, 3, hole, 4, fixed anchor, 5, prestressed steel strand, 6, integrated insulation board, 7, sound-absorbing cotton, 8, lower steel bar, 9, upper steel bar, 10, connecting stirrup bar. DETAILED DESCRIPTION

[0010] The utility model will be further described below in combination with the drawings and specific embodiments:

[0011] As Figure 1 shown, a kind of building environmental protection thermal precast composite board, including bottom plate 1, reinforcing cross beam 2, hole 3, fixed anchor 4, prestressed steel strand 5, integrated insulation board 6, sound-absorbing cotton 7, the bottom plate 1 top equidistantly integrally formed pouring has several reinforcing cross beam 2, the reinforcing cross beam 2 bottom equidistantly is provided with several holes 3, for laying pipeline before pouring composite board top plate, and increase the contact area with cast-in-place slab, the bottom plate 1 inside, located reinforcing cross beam 2 below is equipped with prestressed steel strand 5, and prestressed steel strand 5 front and rear both ends are fixed by fixed anchor 4, the bottom plate 1 bottom is equipped with integrated insulation board 6, and integrated insulation board 6 is used as bottom formwork when precast composite board bottom plate pours, the reinforcing cross beam 2 top inside is equipped with sound-absorbing cotton 7, reduce upper noise interference.The building environmental protection thermal precast composite board further includes lower steel bar 8, upper steel bar 9 and stirrup bar 10, the bottom plate 1 is equidistantly equipped with several lower steel bars 8, the hole 3 in reinforcing cross beam 2 is equipped with upper steel bar 9, the lower steel bar 8 is equidistantly equipped with several connecting stirrup bars 10, and corresponding top upper steel bar 9 is supported by connecting stirrup bar 10.

[0012] The working principle of the utility model: the integrated insulation board 6 of bottom plate 1 bottom can be used as bottom plate 1 bottom formwork before pouring bottom plate 1, prestressed steel strand 5 is tensioned after pouring and curing of bottom plate 1, and is fixed by fixed anchor 4, cooperates with top reinforcing cross beam 2 to increase the load bearing and structural strength of composite board, the hole 3 of reinforcing cross beam 2 facilitates pipe threading and increases the engagement force of cast-in-place slab and precast slab, and insulation board 6 and sound-absorbing cotton 7 realize noise reduction environmental protection and heat preservation.

[0013] It is obvious for those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary, so equivalent changes in the scope of equivalence are included in the scope of the utility model.

Claims

1. A precast composite panel for building environmental protection and thermal insulation, comprising a base plate (1), reinforcing beams (2), holes (3), fixing anchors (4), prestressed steel strands (5), integrated insulation board (6), and sound-absorbing cotton (7), characterized in that: The bottom plate (1) top equidistant integrated casting has several reinforcing beams (2), the reinforcing beams (2) bottom equidistantly have several holes (3), for laying pipeline before pouring the top plate of the laminated slab, and increasing the contact area with the cast-in-place slab, the bottom plate (1) inside, below the reinforcing beam (2) are equipped with prestressed steel strand (5), and the prestressed steel strand (5) front and rear ends are fixed by the fixed anchor (4), the bottom plate (1) bottom is installed with integrated insulation board (6), and the integrated insulation board (6) is used as a bottom template when pouring the bottom plate of the prefabricated laminated slab, the reinforcing beam (2) top is equipped with sound-absorbing cotton (7) in, reduces the noise interference on the floor.

2. The building environment-friendly thermal insulation prefabricated composite board according to claim 1, characterized in that: The building environmental protection heat preservation prefabricated laminated slab further comprises lower reinforcement (8), upper reinforcement (9) and stirrup (10), the bottom plate (1) equidistantly has several lower reinforcements (8), the holes (3) in the reinforcing beam (2) are equipped with upper reinforcement (9), the lower reinforcement (8) is equipped with several connecting stirrups (10) equidistantly, and the corresponding upper reinforcement (9) on the top is supported by the connecting stirrup (10).

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