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Building external wall heat insulation structural system and safety degree evaluation method thereof

A technology for building exterior walls and systems, applied in building components, building structure, thermal insulation, etc., can solve problems such as double-sided plastering, uncertainty, and long construction period, and achieve the effect of saving raw materials and overcoming condensation.

Pending Publication Date: 2017-12-15
河南省华亿绿色建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The above two methods of building enclosure filling wall and its thermal insulation system have the disadvantages of heavy site work, double-sided plastering, low efficiency, long construction period, etc., and the overall cost is high.
[0005] Chinese patent, application number CN201420088945.9, adopts a fixed support frame, and integrates the thermal insulation composite wallboard with the wall. The thermal insulation composite wallboard can be constructed with reinforced concrete at the same time or can be used for filling wall construction after the reinforced concrete structure is completed. It solves the problems of the above-mentioned two types of building envelope filling walls and their thermal insulation systems, but the installation process of the thermal insulation composite wall panels is too complicated, and it is not certain that there will be no problems between the building envelope structure and the thermal insulation composite wall panels. concentrated thermal bridge

Method used

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  • Building external wall heat insulation structural system and safety degree evaluation method thereof
  • Building external wall heat insulation structural system and safety degree evaluation method thereof
  • Building external wall heat insulation structural system and safety degree evaluation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0070] Insulation layer 3 and the main structure wall 2 are constructed simultaneously for the building exterior wall insulation structure system, refer to figure 1 , Figures 3 to 4 , including a concrete surface layer 4, a load-bearing structural wall 2, an insulating layer 3 between them, and a positioning block 8 and a connecting member.

[0071] Wherein, the connecting member includes a steel wire mesh 7 and a connecting piece 1 fixed on the steel mesh 7, the connecting piece 1 penetrates the insulation layer 3, and is rigidly fixed in the concrete surface 4 and the structural wall 2 by a U-shaped steel bar 5 , the structural wall 2 is a concrete structural wall;

[0072] The positioning pads 8 are used to fix the insulation layer 3 and the steel mesh sheet 7 to form a steel mesh frame board. Wherein, the positioning spacer 8 comprises a fixed baffle 9 and a movable cover 12. A telescopically adjustable connecting rod group is fixed on one side of the fixed baffle 9, an...

Embodiment 2

[0078] The thermal insulation structure system of the building's exterior wall is constructed after the construction of the building enclosure wall is completed, and the construction of the structural wall 2 is carried out. Figures 2 to 4 , including a concrete surface layer 4, a load-bearing structural wall 2, an insulating layer 3 between them, and a positioning block 8 and a connecting member.

[0079] Wherein, the connecting member includes a steel wire mesh 7 and a connecting piece 1 fixed on the steel mesh 7, the connecting piece 1 penetrates the insulation layer 3, and is rigidly fixed in the concrete surface 4 and the structural wall 2 by a U-shaped steel bar 5 ; The structural wall 2 is a masonry structural wall, and an embedded part is built in the structural wall 2, and the embedded part is a prefabricated block 6, which is used to bury the connecting part 1 to form a rear connecting part. Length > 71mm.

[0080] The positioning pads 8 are used to fix the insulati...

Embodiment 3

[0086] It is planned to have a building with the thermal insulation structure of Embodiment 2 in the suburb of Anyang City, Henan Province. Its height is 100m. First, measure and calculate the safety degree of the thermal insulation structure of the building's outer wall. The specific steps are as follows:

[0087] (1) Determine the loads on the wall surface of the building's exterior wall insulation structure system: permanent loads, variable loads, and temperature deformation loads, where the variable loads are wind loads and earthquake loads;

[0088] (2) Calculate the above loads separately

[0089] ①Permanent load: It is the self-weight load G composed of the weight of the insulation layer 3, the concrete surface layer 4 and the connector 1, unit kN / m 2 , according to the planned construction situation, set the self-weight load G to be 1.28kN / m 2 ;

[0090] ②Calculation of variable load

[0091] a. Calculate the wind load ω acting on the wall according to the following...

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Abstract

The invention discloses a building external wall heat insulation structural system and a safety degree evaluation method thereof. The building external wall heat insulation structural system and the safety degree evaluation method thereof aim to solve the problems that concentrated thermal bridge is generated because of a connecting piece, and the life of the building wall body is short. The structure of the building external wall heat insulation structural system comprises a concrete pavement, a load-bearing structural wall, a heat insulation layer, a positioning cushion block and a connecting component. The connecting component comprises a steel wire mesh sheet and a connecting piece fixed to the steel wire mesh sheet, the connecting piece penetrates through the heat insulation layer and is fixed to the structural wall and the concrete pavement, and the positioning cushion block is used for fixing the heat insulation layer and the steel wire mesh sheet to form a steel wire mesh frame plate. According to the building external wall heat insulation structural system and the safety degree evaluation method thereof, the method for evaluating the safety degree of the building external wall heat insulation system for the first time is provided, a heat insulation wall face with the appropriate thickness is selected to be put into use according to a result calculated through the method, and moisture condensation caused by concentrated thermal bridge of the connecting piece can be effectively overcome.

Description

technical field [0001] The invention relates to a building wall thermal insulation structure system, in particular to a building exterior wall thermal insulation structure system and a safety evaluation method thereof. Background technique [0002] With the rapid development of the economy, the demand for energy is growing rapidly, and the form of energy is very severe. "Energy saving priority" has become a strategic decision for energy development. Construction efficiency and wall quality are particularly important in the construction industry. [0003] The main method of the existing building enclosure filling wall and its insulation system is: after the reinforced concrete structure is completed, the filling wall is built, plastered on both sides, and then the insulation layer is pasted on the outside; After completion, the masonry is filled with insulating blocks and then plastered on both sides. [0004] The above two methods of building enclosure filling walls and th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/76E04B1/80
CPCE04B1/762E04B1/7629E04B1/7633E04B1/80
Inventor 吕如春马寅栋苑毓坤付红安王付坤赵婷婷高智芳杨林吕斌李晓东
Owner 河南省华亿绿色建材有限公司
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