Sound insulation and heat preservation floating floor slab structure

Abstract

The utility model provides a sound insulation and heat preservation floating building floor slab structure which comprises a wall body and a floor slab structure layer connected with the wall body into an integrated structure, a heat insulation and sound insulation cushion layer is arranged on the top of the floor slab structure layer, and a fine aggregate concrete protection layer is arranged on the top of the heat insulation and sound insulation cushion layer. A mesh parallel to the floor slab structure layer is arranged in the fine aggregate concrete protection layer, and vertical sound insulation cushion layers are arranged between the wall body and the heat preservation and sound insulation cushion layer and between the wall body and the fine aggregate concrete protection layer; according to the heat preservation and sound insulation cushion layer, rigid support is provided between the upper supporting plate and the lower supporting plate through the corrugated supporting plate, meanwhile, the sound absorption filler is filled in the filling cavity for supporting, the rigidity of the heat preservation and sound insulation cushion layer can be improved, and cracking of the fine aggregate concrete protection layer caused by large deformation is not prone to occurring; the sound absorption filler has the effects of light weight, fire resistance, sound absorption and heat insulation, and the sound insulation and heat insulation effects of the floating floor slab can be improved.

Description

Technical Field

[0001] This utility model belongs to the field of floating floor technology, specifically designing a sound-insulating and heat-insulating floating floor structure. Background Technology

[0002] With the continuous advancement of urban residential construction and the increasing improvement of people's living standards, people are paying more and more attention to the sound insulation of their living spaces. While meeting the need for energy conservation, building insulation and soundproofing also provide a solid foundation for improving the comfortable living spaces of countless households and building harmonious neighborhood communities.

[0003] The materials typically used for thermal and sound insulation of floors are mainly non-insulating mortar, extruded polystyrene boards, and polyurethane sound insulation pads. The use of these materials significantly increases the risk of floor cracking.

[0004] In the prior art, Chinese utility model patent document with authorization announcement number CN214941477U discloses a thermal insulation and sound insulation system for floating floor slabs, wherein the graphite molded polystyrene board has a certain toughness and the bottom is hollow in the middle. After being laid, when the top of the board is subjected to force, the graphite molded polystyrene board is prone to local deformation, causing the top of the floating floor slab to crack.

[0005] Therefore, it is necessary to design a floating floor structure that can provide stable rigid support and is not prone to cracking due to large deformation to solve the current technical problems. Summary of the Invention

[0006] To address the shortcomings of existing technologies, this utility model provides a floating floor structure that provides stable rigid support and is less prone to cracking due to large deformation.

[0007] The technical solution of this utility model is as follows: a sound-insulating and heat-insulating floating floor structure, including a wall and a floor structure layer connected to the wall as an integral structure, a heat-insulating and sound-insulating pad layer is provided on the top of the floor structure layer, a fine stone concrete protective layer is provided on the top of the heat-insulating and sound-insulating pad layer, a mesh is provided inside the fine stone concrete protective layer parallel to the floor structure layer, and a vertical sound-insulating pad layer is provided between the wall and the heat-insulating and sound-insulating pad layer and the fine stone concrete protective layer.

[0008] The thermal insulation and sound insulation pad has an upper support plate and a lower support plate arranged in parallel. A corrugated support plate is provided between the upper support plate and the lower support plate. The top and bottom of the corrugated support plate are fixedly connected to the bottom of the upper support plate and the top of the lower support plate, respectively. The corrugated support plate has a filling cavity, and the interior of the filling cavity is filled with sound-absorbing material.

[0009] Furthermore, the sound-absorbing filler is expanded perlite filled inside the filling cavity.

[0010] Furthermore, a sound-insulating base plate is fixedly installed at the bottom of the floor slab structure layer, and a decorative panel is fixedly installed at the bottom of the sound-insulating base plate.

[0011] Furthermore, the mesh is composed of Φ3@50 single-layer bidirectional steel mesh spliced ​​together; the distance between the top surface of the mesh and the top surface of the fine stone concrete protective layer is 16mm.

[0012] Furthermore, the thermal insulation and sound insulation pads are connected to each other, to each other with the vertical sound insulation pads, and to each other with the vertical sound insulation pads using waterproof tape.

[0013] Furthermore, the bottom of the mesh is uniformly provided with pads, and the spacing between the pads is ≤600mm.

[0014] Furthermore, the fine aggregate concrete protective layer is composed of fine aggregate concrete with a slump of 70mm to 80mm.

[0015] Furthermore, the thermal insulation and sound insulation pad layer is any one of the following: rubber and plastic sound insulation pad, modified polypropylene sound insulation pad, graphite polystyrene sound insulation pad, cross-linked polyethylene composite graphite polystyrene sound insulation pad, cross-linked polyethylene composite polyurethane sound insulation pad, and polyester fiber composite rubber sound insulation pad.

[0016] Furthermore, the vertical sound insulation pad is any one of graphite ESP board, phenolic foam board, glass wool board, and rubber board.

[0017] Furthermore, expansion joints are uniformly provided on the fine stone concrete protective layer, with a spacing of 3m between the expansion joints; the width of the expansion joints is 20mm, and the interior of the expansion joints is filled with elastic material.

[0018] The beneficial effects of this utility model are:

[0019] (1) In this utility model, the upper support plate and the lower support plate are provided with rigid support by corrugated support plate, and the interior of the filling cavity is filled with sound-absorbing filler for support, which can improve the rigidity of the thermal insulation and sound insulation pad layer and is not prone to large deformation that would cause the fine stone concrete protective layer to crack.

[0020] (2) The sound-absorbing filler has the effects of being lightweight, fire-resistant, sound-absorbing and heat-insulating, which can improve the sound insulation and heat insulation effect of the floating floor.

[0021] (3) A mesh parallel to the floor slab structure layer is set inside the fine stone concrete protective layer. The mesh and the fine stone concrete protective layer form an integral whole. The mesh can disperse the internal stress in the fine stone concrete protective layer and prevent hollow cracking.

[0022] (4) The thermal insulation and sound insulation pads on the top of the floor slab structure layer and the vertical sound insulation pads on the inner side of the wall can improve the thermal insulation and sound insulation performance of the floor slab. Attached Figure Description

[0023] Figure 1 This is a structural diagram of the floating floor slab structure for sound insulation and heat preservation in this utility model. Detailed Implementation

[0024] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. The descriptions of the exemplary embodiments are merely illustrative and are in no way intended to limit the present invention or its application or use. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. These embodiments are provided to make the present invention thorough and complete, and to fully express the scope of the present invention to those skilled in the art. It should be noted that, unless otherwise specifically stated, the relative arrangement of components and steps, the composition of materials, numerical expressions, and values ​​set forth in these embodiments should be interpreted as merely exemplary and not as limiting.

[0025] The terms "first," "second," and similar words used in this invention do not indicate any order, quantity, or importance, but are merely used to distinguish different parts. Words such as "including" or "comprising" mean that the element preceding the word encompasses the element listed after it, and do not exclude the possibility of encompassing other elements as well. Terms such as "upper," "lower," "left," and "right" are only used to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0026] like Figure 1 and 2As shown, the sound-insulating and heat-insulating floating floor structure includes a wall 6 and a floor structure layer 1 integrated with the wall 6. A sound-insulating and heat-insulating pad layer 2 is provided on top of the floor structure layer 1, and a fine aggregate concrete protective layer 3 is provided on top of the sound-insulating and heat-insulating pad layer 2. A mesh 4 parallel to the floor structure layer 1 is provided inside the fine aggregate concrete protective layer 3. A vertical sound-insulating pad layer 5 is provided between the wall 6 and the sound-insulating and heat-insulating pad layer 2 and the fine aggregate concrete protective layer 3. The sound-insulating and heat-insulating pad layer 2 has an upper support plate 21 and a lower support plate 22 arranged in parallel. A corrugated support plate 23 is provided between the upper support plate 21 and the lower support plate 22. The top and bottom of the corrugated support plate 23 are fixedly connected to the bottom of the upper support plate 21 and the top of the lower support plate 22, respectively. The corrugated support plate 23 has a filling cavity 25. The interior is equipped with sound-absorbing filler 24. In this embodiment, the upper support plate 21 and the lower support plate 22 are rigidly supported by a corrugated support plate 23. At the same time, the interior of the filling cavity 25 is filled with sound-absorbing filler 24 for support, which can improve the rigidity of the thermal insulation and sound insulation pad 2 and prevent large deformation that could lead to cracking of the fine stone concrete protective layer 3. The sound-absorbing filler 24 has the effects of being lightweight, fire-resistant, sound-absorbing, and heat-insulating, which can improve the sound insulation and heat insulation effect of the floating floor. A mesh 4 parallel to the floor structure layer 1 is set inside the fine stone concrete protective layer 3. The mesh 4 and the fine stone concrete protective layer 3 form an integral whole. The mesh 4 can disperse the internal stress in the fine stone concrete protective layer 3 and prevent hollow cracking. The thermal insulation and sound insulation pad 2 on the top of the floor structure layer 1 and the vertical sound insulation pad 5 on the inner side of the wall 6 can improve the thermal insulation and sound insulation performance of the floor.

[0027] In some embodiments, the sound-absorbing filler 24 is expanded perlite filling the cavity. Expanded perlite is a lightweight, fire-resistant, heat-insulating, sound-absorbing, non-toxic and harmless building material.

[0028] In some embodiments, a sound-insulating base plate 7 is fixedly provided at the bottom of the floor slab structural layer 1, and a decorative panel 8 is fixedly provided at the bottom of the sound-insulating base plate 7; specifically, the sound-insulating base plate 7 is a polystyrene extruded board, and the sound-insulating base plate 7 and the decorative panel 8 are fixedly provided at the bottom of the floor slab structural layer 1 by anchor bolts and adhesive.

[0029] In some embodiments, the mesh 4 is spliced ​​from Φ3@50 single-layer bidirectional steel mesh, wherein the mesh 4 may also be Φ4@150 and Φ4@100 single-layer bidirectional steel mesh; preferably, it is Φ3@50 single-layer bidirectional steel mesh, and the fine stone concrete protective layer 3 using Φ3@50 single-layer bidirectional steel mesh has a better crack prevention effect.

[0030] In some embodiments, the distance between the top surface of the mesh 4 and the top surface of the fine stone concrete protective layer 3 is 16mm, which can improve the crack resistance of the floating floor slab and reduce the amount of subsequent repair work.

[0031] In some embodiments, the thermal insulation and sound insulation pads 2 are connected to each other, the thermal insulation and sound insulation pads 2 are connected to the vertical sound insulation pads 5, and the vertical sound insulation pads 5 are connected to each other by waterproof tape. The width of the waterproof tape is equal on both sides of the joint. During construction, a scraper is used to smooth out the air bubbles in the waterproof tape and smooth out the wrinkles of the waterproof tape. A sealing interface adhesive is evenly brushed or sprayed on the joint.

[0032] In some embodiments, pads are evenly provided at the bottom of the mesh 4, with a spacing of ≤600mm between the pads. Through the support of the pads on the mesh 4, the mesh 4 can be kept in the upper middle part of the fine stone concrete protective layer 3. The mesh 4 should be firmly tied with thin iron wire, with an overlap width (per mesh) ≥110mm. When tying, care should be taken to ensure that the iron wire ends are facing upwards to avoid piercing the thermal insulation and sound insulation pad layer 2 and affecting the thermal insulation and sound insulation effect.

[0033] In some embodiments, the fine aggregate concrete protective layer 3 is composed of fine aggregate concrete with a slump of 70mm to 80mm, which has high strength, good toughness, and strong ductility, and has stronger crack resistance.

[0034] In some embodiments, the sound insulation pad 2 is any one of the following: rubber-plastic sound insulation pad, modified polypropylene sound insulation pad, graphite polystyrene sound insulation pad, cross-linked polyethylene composite graphite polystyrene sound insulation pad, cross-linked polyethylene composite polyurethane sound insulation pad, and polyester fiber composite rubber sound insulation pad; wherein, the rubber-plastic sound insulation pad is an elastic material with impact sound insulation and heat insulation functions, made by high-temperature vulcanization and foaming, with nitrile rubber as the main raw material and the addition of organic polymer materials and other auxiliary materials; the modified polypropylene sound insulation pad is an elastic material with impact sound insulation and heat insulation functions, made by hot pressing polypropylene particles and modified masterbatch after supercritical carbon dioxide foaming; the graphite polystyrene sound insulation pad... The first type of sound insulation pad is made of graphite polystyrene through processing and cutting. It has a single-sided corrugated structure on the bottom surface and functions as impact sound insulation and heat insulation. The second type is made of cross-linked polyethylene composite graphite polystyrene sound insulation pad, which is an elastic material with impact sound insulation and heat insulation functions, made of graphite polystyrene foam board and cross-linked polyethylene foam board through an adhesive bonding process. The third type is made of cross-linked polyethylene composite polyurethane sound insulation pad, which is an elastic material with impact sound insulation and heat insulation functions, made of cross-linked polyethylene foam board and polyurethane foam board through an adhesive bonding process. The fourth type is made of polyester fiber composite rubber sound insulation pad, which is an elastic material with impact sound insulation and heat insulation functions, made of polyester fiber cotton and rubber sound insulation roll material through coating or hot melting, mixing, pressing and curing.

[0035] In some embodiments, the vertical sound insulation layer 5 is any one of graphite ESP board, phenolic foam board, glass wool board, and rubber board; the height of the vertical sound insulation layer 5 should be at least 10mm higher than the surface of the fine stone concrete protective layer 3, and should continuously cover all the wall surfaces at the base of the walls and the roots of pipes penetrating the floor slab in the room.

[0036] In some embodiments, expansion joints are uniformly provided on the fine aggregate concrete protective layer 3, with a spacing of 3m between expansion joints; the width of the expansion joints is 20mm, and the interior of the expansion joints is filled with elastic material.

[0037] The various embodiments of this utility model have now been described in detail. To avoid obscuring the concept of this utility model, some details known in the art have not been described. Those skilled in the art can fully understand how to implement the technical solutions disclosed herein based on the above description.

[0038] The embodiments described above only illustrate some implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A floating floor construction comprising a wall and a floor construction layer connected to the wall as an integral structure, characterized in that: The top of the floor structure layer is provided with a heat and sound insulation cushion layer, the top of the heat and sound insulation cushion layer is provided with a fine stone concrete protective layer, the inside of the fine stone concrete protective layer is provided with a mesh parallel to the floor structure layer, and vertical sound insulation cushion layers are arranged between the wall and the heat and sound insulation cushion layer and the fine stone concrete protective layer. The heat and sound insulation cushion layer has upper and lower supporting plates arranged in parallel, and a corrugated supporting plate is arranged between the upper and lower supporting plates, the top and bottom of the corrugated supporting plate are fixedly connected with the bottom of the upper supporting plate and the top of the lower supporting plate respectively, and the corrugated supporting plate has a filling cavity, and the inside of the filling cavity is provided with sound-absorbing filling material.

2. The acoustically insulated and thermally insulated floating floor construction according to claim 1, characterized in that: The sound-absorbing filling material is expanded perlite filled in the filling cavity.

3. The acoustically insulated and thermally insulated floating floor construction according to claim 1, characterized in that: The bottom of the floor structure layer is fixedly provided with a sound insulation bottom plate, and the bottom of the sound insulation bottom plate is fixedly provided with a veneer.

4. The acoustically insulated and thermally insulated floating floor construction according to claim 1, characterized in that: The mesh is spliced by Φ3@50 single-layer bidirectional steel mesh; and the distance between the top surface of the mesh and the top surface of the fine stone concrete protective layer is 16 mm.

5. The acoustically insulated and thermally insulated floating floor construction according to claim 1, characterized in that: The heat and sound insulation cushion layers, the heat and sound insulation cushion layers and the vertical sound insulation cushion layers, and the vertical sound insulation cushion layers are connected by waterproof adhesive tape.

6. The acoustically insulated and thermally insulated floating floor construction of claim 1, wherein: The bottom of the mesh is uniformly provided with cushion blocks, and the distance between the cushion blocks is ≤600 mm.

7. The acoustically insulated and thermally insulated floating floor construction of claim 1, wherein: The fine stone concrete protective layer is composed of fine stone concrete with a slump of 70-80 mm.

8. The acoustically insulated and thermally insulated floating floor construction of claim 1, wherein: The heat and sound insulation cushion layer is any one of rubber and plastic sound insulation and heat insulation pad, modified polypropylene sound insulation and heat insulation pad, graphite polystyrene sound insulation and heat insulation pad, cross-linked polyethylene composite graphite polystyrene sound insulation and heat insulation pad, cross-linked polyethylene composite polyurethane sound insulation and heat insulation pad, and polyester fiber composite rubber sound insulation and heat insulation pad.

9. The acoustically insulated and thermally insulated floating floor construction of claim 1, wherein: The vertical sound insulation cushion layer is any one of graphite ESP board, phenolic foam board, glass wool board and rubber board.

10. The acoustically insulated and thermally insulated floating floor construction of claim 1, wherein: The fine stone concrete protective layer is uniformly provided with expansion joints, the distance between the expansion joints is 3 m, the width of the expansion joint is 20 mm, and the inside of the expansion joint is filled with elastic material.

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