CN210288728U

CN210288728U - Heat-insulating and sound-insulating structure of composite floor slab

Info

Publication number: CN210288728U
Application number: CN201921055154.5U
Authority: CN
Inventors: 王军强; 黄勇; 杜彬
Original assignee: Jiangsu Jianzhu Institute
Current assignee: Jiangsu Institute of Architectural Technology; Jiangsu Jianzhu Institute
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-04-10
Anticipated expiration: 2029-07-08

Abstract

The utility model discloses a heat preservation and sound insulation structure of a laminated floor slab, which comprises a decorative plate; the decorative plate is connected with a molded polystyrene board; the molded polystyrene board is connected with a floor slab; the floor is connected with a heat-insulating and sound-insulating structure; the molding polystyrene board is provided with an A-level rock wool heat insulation board; a polyurethane insulation board structure layer is compacted and sealed in the A-level rock wool insulation board; the polyurethane insulation board structure layer comprises a building weather-resistant sealant and a round PE rod; the high-low seam reverse ridge structure heat insulation layer and the reinforced concrete post-cast beam; the heat preservation and sound insulation structure is sequentially provided with a wood floor, fine aggregate concrete, an extruded polystyrene heat preservation plate, a shock pad, a cast-in-place concrete layer and a precast concrete floor; skirting lines are vertically arranged at the included angle between the floor slab and the heat-insulation and sound-insulation structure; the skirting line is close to the vertical end face of the floor slab, and a grouting material layer is laid in the middle of the floor slab. Through the design of floor and layer, adopt the insulation construction form of above-mentioned design, the heat preservation effect is very big to be increased, and the sealed design of compaction makes the sound insulation effect show the reinforcing.

Description

Heat-insulating and sound-insulating structure of composite floor slab

Technical Field

The utility model relates to a coincide floor heat preservation sound insulation structure belongs to building floor field.

Background

The thickness of a cast concrete floor slab generally adopted by modern buildings is 80-150 mm, the weighting standardization of the floor slab is generally between 80-85 dB, and the weight is far higher than the current stipulation that the sound pressure level of impact of the floor slab sound insulation weighting standardization is not more than 75dB in China. Adopt and float and build the floor, can effectively reduce the striking sound pressure of floor. The floating floor slab is constructed by laying a layer of elastic sound insulation material on the original floor slab and then laying a layer of cast concrete on the elastic sound insulation material. There is no rigid connection between the facing concrete and the base slab, as if it were floating on the resilient sound insulating material. The prefabricated concrete structure mostly adopts a composite floor slab which consists of a prefabricated layer and a cast-in-place layer, the advantages and disadvantages of the heat preservation and insulation capability and the sound insulation and noise reduction capability of the prefabricated floor slab directly influence the use function of the prefabricated concrete structure and further influence the quality of houses and the life quality of residents. Therefore, the method for constructing the heat-insulating and sound-insulating structure of the fabricated concrete structure is concerned and actively researched, and the method has good social, economic and ecological benefits.

SUMMERY OF THE UTILITY MODEL

To the problem that above-mentioned prior art exists, the utility model provides a coincide floor heat preservation sound insulation structure, ventilation efficiency is high, and the operation energy consumption is low, and heat-conduction efficiency is high.

In order to realize the purpose, the utility model discloses a technical scheme is: a heat-insulating and sound-insulating structure of a laminated floor slab comprises a decorative plate; one side of the decorative plate is connected with a molded polystyrene board; one side of the molding polystyrene board is connected with a wall; one side of the wall body is connected with a heat-insulating and sound-insulating structure; a-level rock wool heat insulation plates are arranged at the joint connection part of the upper layer wall body and the lower layer wall body of the molded polystyrene board; a polyurethane insulation board structure layer is compacted and sealed in the A-level rock wool insulation board; the polyurethane insulation board structure layer comprises a building weather-resistant sealant and a round PE rod which are sequentially connected; a high-low seam reverse ridge structure and a heat insulation layer;

the heat preservation and sound insulation structure is sequentially provided with a wood floor, fine aggregate concrete, an extruded polystyrene heat preservation plate, a shock pad, a cast-in-place concrete layer and a precast concrete floor from top to bottom; skirting lines are vertically arranged at the included angle between the wall body and the heat-preservation and sound-insulation structure; the skirting line is close to the vertical end face of the wall body; and a grouting base slurry layer is laid at the joint of the wall.

Furthermore, the wall body is a concrete prefabricated wall body, and is located the upper side seam of the elevation of the floor structure, and the seam is subjected to fireproof, waterproof, heat preservation and sound insulation treatment.

Furthermore, the thickness of the molded polystyrene board is 80-120 mm.

Furthermore, the diameter of the PE rod is 20-25 mm.

Further, the thickness of the wood floor is 10-15 mm; the thickness of the fine stone concrete is 30-45 mm; the extruded polystyrene insulation board has a thickness of 60-90mm and is made of XPS materials or graphite polystyrene and the like; the thickness of the shock pad is 5 mm; the thickness of the cast-in-place concrete layer and the thickness of the precast concrete floor are not less than 60 mm.

Furthermore, reinforcing meshes with the diameter of 4mm and the interval of 200mm are arranged in the fine aggregate concrete.

Furthermore, a ground pressure-resistant PVC air pipe is arranged inside the extruded polystyrene heat-insulation board; the periphery of the ground pressure-resistant PVC air pipe is wrapped with a built-in heat-insulating layer with the thickness of 20 mm.

The utility model has the advantages that: the utility model adopts the ground ventilation system, the air supply pipeline of the fresh air system is arranged under the floor in a concealed way, the air can be better sent to the designated area, the ventilation efficiency is high, and the energy consumption for operation is low; simultaneously through the industrialization construction mode of novel assembled coincide floor, assembled wall, adopt the heat preservation sound insulation structure of above-mentioned design, the heat preservation sound insulation effect is improved and is improved, to the service function that improves assembled concrete structure, especially has great benefit to the quality and the connotation that improve the assembled building, has better social ecological environmental benefit.

Drawings

Fig. 1 is a schematic structural view of the present invention;

in the figure: 1. the building insulation board comprises a decorative board, 2 parts of a molded polystyrene board, 3 parts of a wall, 4 parts of a heat insulation and sound insulation structure, 4-1 parts of a wood floor, 4-2 parts of fine stone concrete, 4-3 parts of an extruded polystyrene insulation board, 4-4 parts of a shock absorption pad, 4-5 parts of a cast-in-place concrete layer, 4-6 parts of a precast concrete floor slab, 5 parts of an A-grade rock wool insulation board, 6 parts of a polyurethane insulation board structure layer, 6-1 parts of a building weather-resistant sealant, 6-2 parts of a round PE rod, 6-3 parts of a high-low seam reverse ridge structure, 6-4 parts of a building weather-resistant sealant, a heat insulation layer, 7 parts of a skirting line, 8 parts of a grouting base slurry layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention.

As shown in fig. 1, a heat-insulating and sound-insulating structure of a laminated floor slab comprises a decorative plate 1; one side of the decorative plate 1 is connected with a molded polystyrene board 2; one side of the molding polystyrene board 2 is connected with a wall 3; one side of the wall body 3 is connected with a heat-insulating and sound-insulating structure 4; the central part of the molding polystyrene board 2 is provided with an A-level rock wool heat-insulation board 5; a polyurethane insulation board structure layer 6 is compacted and sealed in the A-level rock wool insulation board 5; the polyurethane insulation board structure layer 6 comprises a building weather-resistant sealant 6-1 and a round PE rod 6-2 which are sequentially connected; 6-3 parts of high-low seam reverse ridge structure and 6-4 parts of heat insulation layer;

the heat preservation and sound insulation structure 4 is sequentially provided with a wood floor 4-1, fine aggregate concrete 4-2, an extruded polystyrene heat preservation plate 4-3, a shock pad 4-4, a cast-in-place concrete layer 4-5 and a precast concrete floor 4-6 from top to bottom; a skirting line 7 is vertically arranged at the corner between the wall 3 and the heat-preservation and sound-insulation structure 4; the skirting line 7 is close to the vertical end face of the wall body 3; and a grouting base slurry layer 8 is laid at the joint of the wall body 3.

The wall body 3 is a concrete prefabricated wall body and is positioned at an upper side joint of a floor structure elevation, and fireproof, waterproof, heat-preservation and sound-insulation treatment is carried out at the joint.

The thickness of the molding polystyrene board 2 is 80-120mm, and the molding polystyrene board has the characteristics of light weight, heat insulation, sound insulation, low temperature resistance and the like.

The PE rod 6-2 has a diameter of 20-25mm, good heat resistance and cold resistance, good chemical stability, high rigidity and toughness and good mechanical strength.

The thickness of the wood floor 4-1 is 10-15 mm; the thickness of the fine aggregate concrete 4-2 is 30-45 mm; the thickness of the extruded polystyrene insulation board 4-3 is 60-90mm, and the material is XPS material or graphite polystyrene; the thickness of the shock pad 4-4 is 5 mm; the thicknesses of the cast-in-place concrete layers 4-5 and the precast concrete floors 4-6 are not less than 60 mm.

Reinforcing steel bar grids with the diameter of 4mm and the space of 200mm are arranged in the fine aggregate concrete 4-2, so that the concrete waterproof layer is prevented from cracking.

A ground pressure-resistant PVC air pipe 9 is arranged inside the extruded polystyrene heat-insulation board 4-3; the periphery of the ground pressure-resistant PVC air pipe 9 is wrapped with a built-in heat-insulating layer 9-1 with the thickness of 20mm, so that air can be better delivered into a designated area, and the ventilation efficiency is high.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.

Claims

1. A heat-insulating and sound-insulating structure of a laminated floor slab is characterized by comprising a decorative plate (1); one side of the decorative plate (1) is connected with a molded polystyrene board (2); one side of the molding polystyrene board (2) is connected with a wall body (3); one side of the wall body (3) is connected with a heat-insulating and sound-insulating structure (4); a-level rock wool heat-insulation plates (5) are arranged at the joint connection parts of the upper and lower wall bodies of the molded polystyrene board (2); a polyurethane insulation board structure layer (6) is compacted and sealed in the A-level rock wool insulation board (5); the polyurethane insulation board structure layer (6) comprises a building weather-resistant sealant (6-1) and a round PE rod (6-2) which are sequentially connected; a high-low seam reverse ridge structure (6-3) and a heat insulation layer (6-4);

the heat-insulation sound-insulation structure (4) is sequentially provided with a wood floor (4-1), fine aggregate concrete (4-2), an extruded polystyrene heat-insulation plate (4-3), a shock pad (4-4), a cast-in-place concrete layer (4-5) and a precast concrete floor slab (4-6) from top to bottom; a skirting line (7) is vertically arranged at the corner between the wall (3) and the heat-preservation and sound-insulation structure (4); the skirting line (7) is close to the vertical end face of the wall body (3); and a grouting base slurry layer (8) is laid at the joint of the wall body (3).

2. The composite floor slab heat-insulation sound-insulation structure as claimed in claim 1, wherein the wall body (3) is a concrete prefabricated wall body, and is positioned at an upper side joint of a floor structure elevation, and fireproof, waterproof, heat-insulation and sound-insulation treatment is carried out at the joint.

3. A laminated floor slab with thermal and sound insulation as claimed in claim 1, wherein the thickness of the molded polystyrene board (2) is 80-120 mm.

4. A laminated floor slab insulating and sound-proof structure as claimed in claim 1, characterised in that the PE rods (6-2) have a diameter of 20-25 mm.

5. The laminated floor slab heat-insulating and sound-insulating structure as claimed in claim 1, wherein the thickness of the wood floor (4-1) is 10-15 mm; the thickness of the fine stone concrete (4-2) is 30-45 mm; the thickness of the extruded polystyrene insulation board (4-3) is 60-90mm, and the material is XPS material or graphite polystyrene; the thickness of the shock pad (4-4) is 5 mm; the thicknesses of the cast-in-place concrete layers (4-5) and the precast concrete floors (4-6) are not less than 60 mm.

6. A laminated floor slab thermal insulation and sound insulation structure as claimed in claim 1 or 4, wherein the fine aggregate concrete (4-2) is provided with reinforcing grids with 4mm diameter and 200mm spacing.

7. A laminated floor slab heat preservation and sound insulation structure as claimed in claim 1 or 4, characterized in that a ground pressure-resistant PVC air pipe (9) is arranged inside the extruded polystyrene heat preservation plate (4-3); the periphery of the ground pressure-resistant PVC air pipe (9) is wrapped with a built-in heat-insulating layer (9-1) with the thickness of 20 mm.