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CN-117071767-B - High-sound-insulation autoclaved aerated concrete partition wall system and construction method

CN117071767BCN 117071767 BCN117071767 BCN 117071767BCN-117071767-B

Abstract

The invention provides a high-sound insulation autoclaved aerated concrete partition wall system and a construction method, wherein the Gao Gesheng autoclaved aerated concrete partition wall system comprises a first partition wall, a grid fiber composite layer, an air layer and a second partition wall, wherein the first partition wall and the second partition wall are formed by autoclaved aerated concrete, the volume weight of the first partition wall is larger than that of the second partition wall, the grid fiber composite layer is arranged between the first partition wall and the second partition wall, the air layer is formed between the grid fiber composite layer and the second partition wall, the grid fiber composite layer comprises a plurality of clamping plates which are arranged in a crossing mode, a plurality of grids are formed between the clamping plates, and fibers are filled in the grids. The invention provides a high-sound-insulation autoclaved aerated concrete partition wall system and a construction method, and aims to solve the problem that the sound insulation capability of a wall body is poor in the traditional technology, and the living experience of a user is affected.

Inventors

  • ZHANG YE
  • ZHANG JIXIU
  • MIAO YUANCHAO
  • DUAN SAIHONG
  • SHU CHUNXUE

Assignees

  • 北京建筑材料科学研究总院有限公司

Dates

Publication Date
20260512
Application Date
20230710

Claims (7)

  1. 1. The high sound insulation autoclaved aerated concrete partition wall system is characterized by comprising a first partition wall, a grid fiber composite layer, an air layer and a second partition wall; The first partition wall and the second partition wall are both formed by autoclaved aerated concrete laths, C-shaped grooves are formed in two sides of each lath, the volume weight of the first partition wall is larger than that of the second partition wall, the grid fiber composite layer is arranged between the first partition wall and the second partition wall in a spacing mode, prefabricated mounting holes are formed in the upper end and the lower end of the grid fiber composite layer and are used for being connected with a main structure through screws, and an air layer is formed between the grid fiber composite layer and the second partition wall; The grid fiber composite layer comprises a plurality of clamping plates which are arranged in a crossing way, a plurality of grids are formed between the clamping plates, and fibers are filled in the grids; And each grid is internally provided with a baffle plate, the baffles are used for extruding and limiting the fibers in the grids, and the thickness of the baffles is not less than 5mm.
  2. 2. The high sound insulation autoclaved aerated concrete partition wall system of claim 1, wherein the baffle is made of fiber reinforced synthetic resin, and the tensile strength is not lower than 300MPa.
  3. 3. The high sound insulation autoclaved aerated concrete partition system of claim 1 wherein the mesh is quadrilateral in shape and the mesh has sides ranging from 200mm to 400mm.
  4. 4. The high sound insulation autoclaved aerated concrete partition system of claim 1 wherein the fibers comprise rock wool or glass wool, the rock wool having a bulk density of no less than 140kg/m 3 , the glass wool having a bulk density of no less than 48kg/m 3 , the thickness of the fibers filled in each of the grids being slightly less than the width of the splints.
  5. 5. The high sound insulation autoclaved aerated concrete partition wall system of claim 1, wherein the volume weight of the first partition wall and the second partition wall is 650-750kg/m 3 , the thickness is 50-100 mm, and the compressive strength is greater than 5MPa.
  6. 6. A method of constructing a high sound insulation autoclaved aerated concrete partition system as recited in any of claims 1 to 5, comprising: sequentially building a first partition wall, a grid fiber composite layer and a second partition wall; interface treatment is carried out at the joints of the first partition wall and the second partition wall; A self-adhesive sealing strip is arranged in a second plate seam of the second partition wall, the second plate seam is smoothed with the wall surface after caulking, and rock wool and PE rods are sequentially arranged at the joint of the second partition wall and the main body structure; Attaching a high polymer membrane material to all gaps on the indoor side of the second partition wall; a self-adhesive sealing strip is arranged in a first plate seam of the first partition wall, and an EPDM rubber foaming sealing strip is arranged at the joint of the first partition wall, the grid fiber composite layer and the main structure; and caulking and net-hanging plastering are carried out on one side, far away from the grid fiber composite layer, of the first partition wall.
  7. 7. The method of claim 6, wherein the first panel seam is staggered from the second panel seam by a staggered distance of no less than 150mm.

Description

High-sound-insulation autoclaved aerated concrete partition wall system and construction method Technical Field The invention relates to the technical field of building facilities, in particular to a high-sound-insulation autoclaved aerated concrete partition wall system and a construction method. Background Along with the development of the times, the assembled light partition wall gradually replaces the traditional block wall and cast-in-place wall system, and gradually becomes a common partition wall system in assembled buildings such as hotels, office buildings, hospitals and high-grade houses. The sound insulation amount of buildings with high requirements on indoor physical environment, especially high-grade office buildings, stars, hospital wards, high-quality houses and other building spaces sensitive to noise, is 50 dB according to the requirements in the sound insulation design Specification of civil buildings, and the sound insulation amount of each room in the hospital buildings and hotels is required, and the sound insulation requirements specified by the standard are difficult to be met due to poor sound insulation performance of part of assembled light partition walls. On the other hand, the light partition wall system meeting the requirement of high sound insulation performance, such as a light sheet composite wall, has strong sound feeling when knocked, and brings the reduction of living experience. Disclosure of Invention The invention provides a high-sound-insulation autoclaved aerated concrete partition wall system and a construction method, and aims to solve the problem that the living experience of a user is affected due to poor sound insulation capability of a wall in the traditional technology. Aiming at the problems existing in the prior art, the invention provides a high-sound-insulation autoclaved aerated concrete partition wall system, which comprises a first partition wall, a grid fiber composite layer, an air layer and a second partition wall; The first partition wall and the second partition wall are both formed by autoclaved aerated concrete laths, C-shaped grooves are formed in two sides of each lath, the volume weight of the first partition wall is larger than that of the second partition wall, the grid fiber composite layer is arranged between the first partition wall and the second partition wall in a spacing mode, prefabricated mounting holes are formed in the upper end and the lower end of the grid fiber composite layer and are used for being connected with a main structure through screws, and an air layer is formed between the grid fiber composite layer and the second partition wall; The grid fiber composite layer comprises a plurality of clamping plates which are arranged in a crossing mode, a plurality of grids are formed between the clamping plates, and fibers are filled in the grids. According to the high-sound-insulation autoclaved aerated concrete partition wall system provided by the invention, each grid is internally provided with the baffle plate, the baffle plates are used for extruding and limiting fibers in the grid, and the thickness of the baffle plates is not less than 5mm. According to the high-sound-insulation autoclaved aerated concrete partition wall system provided by the invention, the baffle is made of fiber-reinforced synthetic resin, and the tensile strength is not lower than 300MPa. According to the high-sound-insulation autoclaved aerated concrete partition wall system provided by the invention, the grid is quadrilateral in shape, and the side length of the grid is 200-400 mm. According to the high sound insulation autoclaved aerated concrete partition wall system provided by the invention, the fibers comprise rock wool or glass wool, the volume density of the rock wool is not less than 140kg/m 3, the volume density of the glass wool is not less than 48kg/m 3, and the thickness of the fibers filled in each grid is slightly less than the width of the clamping plate. According to the high-sound-insulation autoclaved aerated concrete partition wall system provided by the invention, the volume weights of the first partition wall and the second partition wall are 650-750kg/m 3, the thickness is 50-100 mm, and the compressive strength is greater than 5MPa. The invention also provides a construction method of the high-sound-insulation autoclaved aerated concrete partition wall system, which comprises the following steps: sequentially building a first partition wall, a grid fiber composite layer and a second partition wall; interface treatment is carried out at the joints of the first partition wall and the second partition wall; A self-adhesive sealing strip is arranged in a second plate seam of the second partition wall, the second plate seam is smoothed with the wall surface after caulking, and rock wool and PE rods are sequentially arranged at the joint of the second partition wall and the main body structure; Attaching a high polymer membrane mat