Heat preservation and sound insulation structure of ground layer of building and construction method of heat preservation and sound insulation structure

A floor surface and sound insulation technology, which is applied to floors, insulation layers, building structures, etc., can solve problems such as thermal insulation and sound insulation, and achieve the effect of improving practicability

Inactive Publication Date: 2016-10-12
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the implementation of green building evaluation standards, the requirements for household thermal insulation and sound insulation are increasing day by day, and the traditional concrete floor structure cannot meet the requirements of thermal insulation and sound insulation

Method used

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  • Heat preservation and sound insulation structure of ground layer of building and construction method of heat preservation and sound insulation structure
  • Heat preservation and sound insulation structure of ground layer of building and construction method of heat preservation and sound insulation structure
  • Heat preservation and sound insulation structure of ground layer of building and construction method of heat preservation and sound insulation structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Example 1: Cast-in-place thermal insulation and sound insulation board (basic type).

[0044] (1) Prepare metal corrugated board and install thin rubber sound insulation sheet, such as figure 2 Shown.

[0045] (2) Preparing thermal insulation and sound insulation concrete, the specific formula is as follows: cement (P.O42.5) 350kg / m 3 , Fly ash (Class II ash) 50kg / m 3 , Water 180kg / m 3 , 2.5mm rubber particles 10kg / m 3 , Floating beads 30kg / m 3 , Medium sand 450kg / m 3 , Primary EPS particles 3kg / m 3 , Fine stone (5-10mm) 650kg / m 3 , Several other additives.

[0046] (3) The performance indicators of the prepared concrete are as follows: the strength is 15.9MPa, the bulk density is 1600kg / m 3 , The thermal conductivity is 0.58W / (m.K).

[0047] (4) Install the metal corrugated plates on the floor with expansion bolts, and control the gap between the metal corrugated plates at 3-5mm to prevent the metal corrugated plates from squeezing each other due to temperature deformation.

[...

Embodiment 2

[0050] Example 2: Factory prefabricated insulation and sound insulation board (basic type)

[0051] (1) Prepare a metal cavity and install a thin rubber sound insulation sheet, such as image 3 Shown.

[0052] (2) Preparing thermal insulation and sound insulation concrete, the specific formula is as follows: cement (P.O42.5) 350kg / m 3 , Fly ash (Class II ash) 50kg / m 3 , Water 180kg / m 3 , 2.5mm rubber particles 10kg / m 3 , Floating beads 30kg / m 3 , Medium sand 450kg / m 3 , Primary EPS particles 3kg / m 3 , Fine stone (5-10mm) 650kg / m 3 , Several other additives.

[0053] (3) The performance indicators of the prepared concrete are as follows: the strength is 15.9MPa, the bulk density is 1600kg / m 3 , The thermal conductivity is 0.58W / (m.K).

[0054] (4) Pouring the heat-insulating and sound-insulating concrete prepared and curing it for 14 days to make it have a certain strength.

[0055] (5) Transport to the construction site, and install by spring line. The gap between the control panel joi...

Embodiment 3

[0058] Example 3: On-site pouring type thermal insulation sound insulation board (high thermal insulation type).

[0059] (1) Prepare plastic corrugated board, install thin rubber sound insulation sheet and heat preservation auxiliary parts, such as image 3 Shown.

[0060] (2) Prepare heat insulation and sound insulation concrete, the specific formula is as follows: cement (P.O42.5) 300kg / m 3 , Fly ash (Class II ash) 50kg / m 3 , Water 200kg / m 3 , 2.5mm rubber particles 10kg / m 3 , Floating beads 30kg / m 3 , Medium sand 300kg / m 3 , Primary EPS particles 5kg / m 3 , Fine stone (5-10mm) 500kg / m 3 , Slag (3-5mm) 100kg / m 3 , Several other additives.

[0061] (3) The performance indicators of the prepared concrete are as follows: the strength is 8.9MPa, and the bulk density is 1200kg / m 3 , The thermal conductivity is 0.29W / (m.K).

[0062] (4) Install the metal corrugated plates on the floor with expansion bolts, and control the gap between the metal corrugated plates at 3-5mm to prevent the meta...

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Abstract

The invention discloses a heat preservation and sound insulation structure of a ground layer of a building and a construction method of the heat preservation and sound insulation structure. Based on that requirements for ground loading and using functions of the building are met, double additional functions of heat preservation and sound insulation of the ground of the building are realized. Light-weight aggregates and heat preservation fillings are utilized to perform heat preservation and modification on conventional ground mortar or concrete, so that the heat preservation effect of the ground of the building is achieved. Based on the heat preservation effect of the ground of the building, materials including cenospheres, rubber particles and the like are added, so that the sound insulation effect is improved. The sound insulation requirement in GB50118 and the green building evaluation criterion cannot be achieved through simple material modification. According to acoustic propagation law, the frequency to which human ears are sensitive is 20-2000HZ, and the human ears are most sensitive to 500HZ. A specific empty cavity structure is additionally arranged, so that impact sound transmission and air sound transmission can be effectively eliminated. The heat preservation and sound insulation structure disclosed by the invention adopts the specific empty structure matched with concrete materials with the functions of heat preservation and sound insulation, and can be in factory-like prefabrication, and the green building assessment index is achieved.

Description

Technical field [0001] The invention relates to a method for realizing heat insulation and sound insulation of the ground floor based on functional materials and structural design, which uses functional materials to be added to traditional concrete or mortar to realize the basic heat insulation and sound insulation function, supplemented by a specific cavity structure design to further improve The heat preservation and sound insulation effect can be prefabricated, and the practicability of the method is improved. It belongs to the intersection of civil engineering materials and structural design. Background technique [0002] With the implementation of green building evaluation standards, the requirements for household insulation and sound insulation are increasing. The traditional concrete floor structure cannot meet the requirements for insulation and sound insulation. The research and development of building materials with thermal insulation and sound insulation has always be...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04F15/12E04F15/18E04F15/20C04B28/00C04B14/02C04B14/06C04B16/06C04B18/08C04B18/22
CPCC04B28/00E04F15/12E04F15/123E04F15/18E04F15/182E04F15/203E04F2290/04E04F2290/041E04F2290/045C04B18/08C04B18/22C04B18/085C04B14/06C04B16/0666C04B14/02Y02W30/91
Inventor 陈春张亚梅杨杰
Owner SOUTHEAST UNIV
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