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Exterior insulation compound wall body with support meeting fire-resistance limit requirement and protective layer

A fire-resistant limit, composite wall technology, applied in the direction of insulation, walls, fire prevention, etc., can solve the problems of low fire-resistant limit, unsafe organic insulation layer, unfavorable fire prevention, etc.

Inactive Publication Date: 2013-01-16
吴淑环
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the fire resistance limit of the support for suspending the outer protective layer is lower than that of the protective layer, it will be unfavorable for fire prevention
In addition, in the event of war or destruction by terrorists, if the protective layer is blasted by a bomb to form an opening, the organic insulation layer will still be unsafe when exposed to burning.

Method used

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  • Exterior insulation compound wall body with support meeting fire-resistance limit requirement and protective layer
  • Exterior insulation compound wall body with support meeting fire-resistance limit requirement and protective layer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Embodiment one: see figure 1, an external thermal insulation composite wall with a support and a protective layer that meets the fire resistance limit requirements of the present invention is composed of a base wall 1, a fireproof isolation belt 2, supports 1-5, a main building structure 10, an insulating layer 3, and a protective layer 8 ; The base wall 1 and the main building structure 10 are walls or beams and columns that meet the requirements of the fire resistance limit; ), the support 1-5 can also be the cantilevered plate (such as balcony office, cantilever roof panel) on the main structure of the building, the support 1-5 is fixed with the main structure of the building 10 or the base wall 1, and the support 1-5 is to satisfy The support required by the fire-resistant limit; the fire-proof isolation belt 2 is an insulation material that meets the fire-resistant limit requirements, or is cement mortar or concrete; the thermal insulation layer 3 is an organic the...

Embodiment 2

[0035] Embodiment two: see figure 1 , the difference between this embodiment and Embodiment 1 is that the fire-proof isolation belt 2 of the present embodiment is also set in the insulation layer 3, and the fire-proof isolation belt 2 is provided in the following two ways, and the first or two are selected at the same time : 1), a horizontal fireproof isolation zone 2-1 is set between the insulation layers 3, and the horizontal fireproof isolation zone 2-1 isolates the upper and lower insulation layers 3; 2), a vertical fireproof isolation zone 2-2 is set between the insulation layers 3 , the vertical fire isolation belt 2-2 isolates the insulation layers 3 on both sides; the outer side of the fire isolation belt 2 has a protective layer 8, and the fire isolation belt 2 is connected with the protective layer 8 to form a closed fire compartment structure.

[0036] Insulation materials that meet the fire resistance limit requirements, such as rubber powder polystyrene particles ...

Embodiment 3

[0040] Embodiment 3: The difference between this embodiment and Embodiment 1 or 2 is that this embodiment also has a decorative curtain wall slab outside the protective layer 8, and there is an air interlayer between the decorative curtain wall slab and the protective layer 8. Horizontal or / and vertical fire isolation belts 2 are arranged at certain intervals in the interlayer.

[0041] In the composite wall listed in the appended table of the present invention, the structure of how the large panels of the decorative curtain wall are connected to the composite wall has been given. This embodiment is to solve the fire prevention problem of the cavity between the composite thermal insulation wall and the curtain wall. In the cavity between the decorative curtain wall and the protective layer, a fire isolation belt should also be set at a certain distance, such as partially blocked with cement mortar. Can.

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Abstract

The invention discloses an exterior insulation compound wall body with a support meeting the fire-resistance limit requirement and a protective layer, relates to a fire-protection construction for the compound heat preservation wall body of a building, and aims to solve the problem that the fire resistance of the exterior insulation compound wall body is poor. The exterior insulation compound wall body adopts the structure as follows: the support is fixed on a main structure of the building, and meets the fire-resistance limit requirement; a thermal insulation layer is positioned outside a base course wall body and the main structure of the building, the protective layer is positioned outside the thermal insulation layer, and bar reinforcements inside the protective layer are connected with the support; the protective layer or a fire-resistant isolation zone is arranged on an opening thermal insulation layer; the protective layer is arranged outside the fire-resistant isolation zone; the protective layer meets the fire-resistance limit requirement, and the fire-resistant isolation zone is made of a heat insulating material meeting the fire-resistance limit requirement; and the exterior insulation compound wall body with the support meeting the fire-resistance limit requirement and the protective layer can be formed. The exterior insulation compound wall body thoroughly solves the fire-resistant safety problem of the exterior insulation compound wall body, achieves good fire-resistant performance, is convenient to construct, achieves low construction cost, and is of great significance to lives and properties of people.

Description

technical field [0001] The invention relates to a fireproof structure of a composite thermal insulation wall, in particular to an external thermal insulation composite wall structure with a supporting and protective layer meeting the requirements of the fire resistance limit. Background technique [0002] The problems of wall energy-saving and thermal insulation technology not only affect the effectiveness of building energy conservation and the construction of a low-carbon society, but also affect the safety of people's lives and property. The fire has caused great losses to the society. [0003] Since the thickness of the protective layer of the thin plastered thermal insulation wall is only 3-4mm, the resistance to fire is too small. Even if a 300mm rock wool fire barrier is installed, the fire barrier will play a small role. According to the fire tests conducted by Tianjin Fire Research Institute and Sichuan Fire Research Institute, the flame height reaches 2-3 meters, ...

Claims

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Application Information

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IPC IPC(8): E04B2/00E04B2/56E04B1/76E04B1/94E04B2/88
Inventor 吴淑环
Owner 吴淑环
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