CN102839764A - Closed fire barrier structure of external thermal insulation composite wall of building - Google Patents
Closed fire barrier structure of external thermal insulation composite wall of building Download PDFInfo
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- CN102839764A CN102839764A CN2011101705398A CN201110170539A CN102839764A CN 102839764 A CN102839764 A CN 102839764A CN 2011101705398 A CN2011101705398 A CN 2011101705398A CN 201110170539 A CN201110170539 A CN 201110170539A CN 102839764 A CN102839764 A CN 102839764A
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Abstract
The invention provides a closed fire barrier structure of an external thermal insulation composite wall of a building, relates to a fire prevention structure of a thermal insulation composite wall of a building, and aims at solving the problem that the current external thermal insulation composite wall is poor in fire prevention. The structure is characterized in that a thermal insulation layer is positioned outside a basic-layer wall and a building main body structure, and a protective layer is formed outside the thermal insulation layer; the surface of a thermal insulation layer of a tunnel opening is provided with a protective layer or a fire barrier; a horizontal fire barrier is arranged between the thermal insulation layers, or a vertical fire barrier is arranged between the thermal insulation layers; a protective layer is arranged outside the fire barrier, the fire barrier and the protective layer meet the fire-proof limit requirement of an enclosure, and the fire barrier is formed by rubber powder polyphenyl granules or thermal insulation mortar, so that the closed fire barrier structure of the external thermal insulation composite wall of the building is formed. The structure provided by the invention can be used for thoroughly solving the fire-proof safety of the external thermal insulation composite wall, is good in fire-proof performance, convenient to construct and low in construction cost and has great significance to the life and property safety of people.
Description
Technical field
The present invention relates to the closed fire barrier of a kind of architectural exterior insulation combined wall structure.
Background technology
The problem that body of wall energy-saving heat preserving technology exists not only influences the effect of building energy conservation; Influence the low-carbon (LC) social construction; Its safety also influences the safety of people's lives and properties; The fire savety problem of poor that the thin heat-preserving wall of plastering exists has fire to take place when causing various places, and fire causes heavy losses to society.
Because the thin only 3～4mm of heat-preserving wall protective layer thickness that plasters; Resistivity to fire is too little, even 300mm rock wool fire barrier is set, the fire barrier role is very little; Fire test by Tianjin Fire Research Station, Sichuan Fire Research Station and Chinese Research Institute for Building Sciences's fire prevention are carried out is visible; Flame height reaches 2～3 meters, crosses the high fire barrier of 300mm very soon, and the insulation layer more than the fire barrier is burnt.The fire that organic insulation material produced on the body of wall is " Hong combustion ", and only a few minutes big fire is just surrounded whole building, has little time to put out a fire to save life and property at all.Because the thin topping of plastering does not have resistant function to flame, can not bring into play the effect of fire barrier, therefore be referred to as open fire barrier to the fire barrier that on the thin heat-preserving wall of plastering, is provided with.
What cracking came off behind the thin heat-preserving wall completion of works of plastering of China can be found everywhere, and the quality good engineering also at 7～8 years crackings, causes insulation layer to be directly exposed in the air.This not only greatly influences the durability of energy-saving heat-insulating wall, and maintenance capacity is big, and building waste is many, the sustainable development of influence society, and further increased the danger that fire takes place.
The heat insulating material of [2011] No. 65 documentation requirements heat-preserving walls of the Ministry of Public Security is the A level, and this can not reach.The supply of at first current qualified inorganic heat insulation material can not satisfy the requirement in market far away, and inorganic heat insulation material all belongs to the industry of high energy consumption, high pollution, expensive, and unfavorable control room rate, and the energy-saving heat preserving effect is not as organic insulation material.
The energy-saving heat-insulating wall engineering construction and the operational phase safety that guarantee organic insulation material have three key elements: 1, qualified organic insulation material; 2, the execution control of strictness; 3, the building fire protection of science structure.Wherein qualified organic insulation material can guarantee construction stage safety with strict execution control; But can not guarantee to adopt the thin heat-preserving wall of plastering of organic insulation material in the safety of long-term operational phase, have only the building fire protection structure of science could guarantee the safety in the long-term use.
Be to guarantee the fire safety of composite thermal-insulating wall, and convenient construction, reduce cost, propose the closed fire barrier of a kind of architectural exterior insulation combined wall of the present invention structure.
Summary of the invention
The closed fire barrier of the composite insulation wall structure that the purpose of this invention is to provide a kind of building is to solve the described problem of background technology.
The closed fire barrier of a kind of architectural exterior insulation combined wall of the present invention structure: the present invention includes basic unit's body of wall, major structure of construction, fire barrier, insulation layer, topping; Said basic unit wall and major structure of construction are body of wall or beam, the post that satisfies the fire endurance requirement; Said fire barrier is the glue powder polyphenyl particle of half inorganic heat insulation material, or is thermal insulation mortar, or is cement mortar, and the requirement of space enclosing structure fire endurance is satisfied in fire barrier 2; Said insulation layer is an organic insulation material, or is lower than the inorganic heat insulation material of fire barrier for refractory temperature; Said topping is cement mortar or pea gravel concreten, or is the pea gravel concreten of the cement mortar of modification or modification, or is glue powder polyphenyl particle or thermal insulation mortar, or is the thin topping of plastering of fire prevention glue; Said insulation layer is fixed on the outside of basic unit's body of wall and major structure of construction, is provided with topping in the outside of insulation layer, and topping is connected with insulation layer; The surface of insulation layer is provided with topping or fire barrier at the hole; Said topping is the topping that satisfies the requirement of space enclosing structure fire endurance; The fire barrier also is provided with in the building heat preservation combined wall, the fire barrier be provided with following two kinds of modes, 1), horizontal fire barrier is set between insulation layer select the 1st kind or two kinds to select for use simultaneously:, fire barrier insulation layer up and down isolates; 2), vertical fire barrier is set between insulation layer, the fire barrier isolates the both sides insulation layer; The outside, fire barrier matcoveredn, the fire barrier is connected with topping, forms the closed fire barrier of a kind of architectural exterior insulation combined wall structure.
The present invention and the current thin heat-preserving wall of plastering are provided with the key technology difference and the technique effect of rock wool fire barrier:
1, the fire endurance requirement is satisfied in topping of the present invention and fire barrier, and the present invention also is provided with the fire barrier in the composite thermal-insulating wall insulation layer, forms a kind of closed fire barrier structure.
When fire takes place; Flame by shutoff in the limited range of basic unit's body of wall or major structure of construction and fire barrier that is provided with by a determining deviation and topping (by technical standard order fire barrier spacing); The fire influence basin is little; Help the fire fighter in time to stamp out a fire, the present invention is a kind of closed fire barrier structure, can fire be enclosed in the restricted portion.And thin plaster heat-preserving wall when fire takes place, and even the fire barrier is set, flame can not be a kind of open fire barrier by shutoff in limited range, and the fire influence basin is big, and harm is big.
2, the topping of closed fire barrier of the present invention structure satisfies the fire endurance requirement; Therefore fire barrier of the present invention thickness can be very little; The thickness of fire barrier generally is not less than 20mm or 25mm can satisfy the requirement that fire endurance is not less than 1 hour, and convenient construction, cost are low.Even and the fire barrier role of the thin wide 300mm of reaching of topping that plasters is also very little, do not satisfy the fire endurance requirement, say that from the angle that satisfies fire endurance the thin topping of plastering is inoperative.
Therefore, the closed fire barrier of the composite insulation wall of a kind of building of the present invention structure is a kind of structure of thorough solution composite insulation wall fire safety.Do not see that at present the building heat preservation combined wall is provided with a kind of closed fire barrier of the present invention structure.Fireproof performance of the present invention is good, easy construction, and cost is low, and wide application is significant to assuring the safety for life and property of the people.
Accompanying drawing:
Fig. 1 is embodiment one organigram; Fig. 2 is embodiment two organigrams;
Embodiment
Embodiment one: see Fig. 1, the closed fire barrier of a kind of architectural exterior insulation combined wall of the present invention structure is made up of basic unit's body of wall 1, major structure of construction 10, fire barrier 2, insulation layer 3, topping 8; Said basic unit body of wall 1 and major structure of construction 10 is the body of wall that satisfies the fire endurance requirement or beam, post; Said fire barrier 2 is the glue powder polyphenyl particle of half inorganic heat insulation material, or is thermal insulation mortar, or is cement mortar, and the requirement of space enclosing structure fire endurance is satisfied in fire barrier 2; Said insulation layer 3 is organic insulation materials, or is lower than the inorganic heat insulation material of fire barrier for refractory temperature; Said topping 8 is for satisfying the topping of space enclosing structure fire endurance requirement; Topping 8 is cement mortar or pea gravel concreten, or is the pea gravel concreten of the cement mortar of modification or modification, or is glue powder polyphenyl particle or thermal insulation mortar, or is the thin topping of plastering of fire prevention glue; Said insulation layer 3 is fixed on the outside of basic unit's body of wall 1 and major structure of construction 10, is provided with topping 8 in the outside of insulation layer 3, and topping 8 is connected with insulation layer 3; The surface of insulation layer 3 is provided with topping 8 or fire barrier 2 at the hole; Fire barrier 2 also is provided with in the building heat preservation combined wall; Fire barrier 2 be provided with following two kinds of modes; 1), horizontal fire barrier 2 is set between insulation layer 3 select the 1st kind or two kinds to select for use simultaneously:, fire barrier 2 insulation layer 3 up and down isolates; 2), vertical fire barrier 2 is set between insulation layer 3, fire barrier 2 isolates both sides insulation layer 3; Fire barrier 2 outside matcoveredns 8, fire barrier 2 is connected with topping 8, forms the closed fire barrier of a kind of architectural exterior insulation combined wall structure.
It is very convenient as fire barrier construction between insulation layer, to smear certain thickness glue powder polyphenyl particle or thermal insulation mortar, and material is extensive, and cost is low, so convenient the encryption is provided with the fire barrier, as can every layer the fire barrier being set one.Vertical fire barrier can be located at the place, shrinkage joint, or together vertical fire barrier is set between the unit.The fire barrier is set should be continuous, avoids breakpoint to make flame through breakpoint ignite last layer or in addition side insulation layer burning.
And public logical [2009] No. 46 files specify of word in 60～100 meters high buildings every layer the fire barrier is set one; At 30～60m and below the 30m be respectively every at a distance from two-layer, three layers the fire barrier is set one; This is up to 300mm because of the rock wool fire barrier; Be inconvenient to be provided with the fire barrier, due to the qualified rock wool limited amount of market supply.And if uses glue powder polyphenyl particle or thermal insulation mortar to be the fire barrier, because wall insulating layer is too thick, the fire barrier is up to 300mm, be difficult to construct.When outer thin is plastered topping,, more do not have anti-fire action if the fire barrier is too thin.
Though glue powder polyphenyl particle is half inorganic B1 level nonflammable material, when fire took place, the granular polystyrene atrophy in the glue powder polyphenyl particle formed georama, can effectively stop fire.Because the topping in the outside, fire barrier of the present invention satisfies the fire endurance requirement; So in the fire endurance time range; Flame can not crossed fire barrier and topping; Ignite fire barrier opposite side, the particularly insulation layer above the fire barrier, the fire fighter scene of fire that can arrive in the very nick of time stamps out a fire.The thickness of general glue powder polyphenyl particle or thermal insulation mortar fire barrier is not less than 20mm or 25mm can satisfy the requirement that fire endurance is not less than 1 hour.According to the fire endurance time that the engineering heterogeneity requires, confirm the thickness of fire barrier and topping.
When fire took place, door and window hole was the passage of flame, so insulation layer surface should be the good material of fireproof performance at the hole.When door and window hole was not had the heat insulation break bridge structure requirement, cement mortar usually was used for the opening protection laminar surface as the fire barrier.And the fire barrier is set between the insulation layer of energy-saving heat-insulating wall, and generally should not use cement mortar, influence body of wall energy-saving heat preserving effect.
Embodiment two: see Fig. 2; The difference of present embodiment and embodiment one is; Said basic unit body of wall 1 quilt substitutes with major structure of construction 10 connecting reinforcements, metal lath and plaster layer 1-8, satisfies the fire endurance requirement with major structure of construction 10 connecting reinforcements, metal lath and plaster layer 1-8.
Embodiment three: present embodiment and embodiment one or twos' difference is; Present embodiment also has the big plate of decorative curtain wall in topping 8 outsides; Between big plate of decorative curtain wall and the topping 8 air space is arranged, in air space, level is set or/and vertical fire barrier 2 by a determining deviation.
Present embodiment is to get final product in order to solve composite thermal-insulating wall curtain wall fire safety problem, in the air space between decorative curtain wall and topping, also should the fire barrier to be set by a determining deviation, stopping up with cement mortar like the part.
Embodiment four: present embodiment and embodiment one or twos' difference is, said topping 8 is the big plate of decorative curtain wall, and the big plate of decorative curtain wall satisfies the requirement of space enclosing structure fire endurance.
Embodiment five: the difference of one of present embodiment and embodiment one～four is that said fire barrier 2 is an inorganic heat insulation material.
Inorganic heat insulation material such as rock wool, foam cement, foam glass etc.Foam glass costs an arm and a leg, and the foaming cement thermal insulation effect is bad.It is inconvenient as the fire barrier construction that the present invention installs rock wool, even the rock wool of hydrophobicity also still absorbs moisture, is difficult to guarantee workmanship.And adopt glue powder polyphenyl particle or thermal insulation mortar not only to guarantee construction quality easily, and material is extensive, and price is low.Along with development in science and technology, can constantly there be the good material of new fireproof performance to occur, can be used as the fire barrier, comprising inorganic heat insulation material.
The cement mortar of modification according to the invention or the pea gravel concreten of modification are meant:
1), add Admixture, flyash, stone flour, waterproof agent, water-loss reducer, resistance and split the cement mortar of fiber and other material modification or the pea gravel concreten of modification, fiber is split in resistance has polypropylene chopped strand, alkali-proof glass chopped strand, hemp cut etc.
2), also comprise cement polymer mortar or the cement polymer concrete that adds water-loss reducer, macromolecule adhesive formation.
Claims (7)
1. construct the closed fire barrier of architectural exterior insulation combined wall, and it comprises basic unit's body of wall (1), major structure of construction (10), fire barrier (2), insulation layer (3), topping (8); Said basic unit body of wall (1) and major structure of construction (10) body of wall or beam, post for satisfying the fire endurance requirement; Said fire barrier (2) is the glue powder polyphenyl particle of half inorganic heat insulation material, or is thermal insulation mortar, or is cement mortar, and the requirement of space enclosing structure fire endurance is satisfied in fire barrier (2); Said insulation layer (3) is an organic insulation material, or is lower than the inorganic heat insulation material of fire barrier for refractory temperature; Topping (8) is cement mortar or pea gravel concreten, or is the pea gravel concreten of the cement mortar of modification or modification, or is glue powder polyphenyl particle or thermal insulation mortar, or is the thin topping of plastering of fire prevention glue; Said insulation layer (3) is fixed on the outside of basic unit's body of wall (1) and major structure of construction (10), is provided with topping (8) in the outside of insulation layer (3), and topping (8) is connected with insulation layer (3); The surface of the insulation layer at the hole (3) is provided with topping (8) or fire barrier (2); It is characterized in that said topping (8) is for satisfying the topping of space enclosing structure fire endurance requirement; Fire barrier (2) also is provided with in the building heat preservation combined wall; Fire barrier (2) be provided with following two kinds of modes; 1), horizontal fire barrier (2) is set between insulation layer (3) select the 1st kind or two kinds to select for use simultaneously:, fire barrier (2) insulation layer (3) up and down isolate; 2), vertical fire barrier (2) is set between insulation layer (3), fire barrier (2) isolate both sides insulation layer (3); The outside, fire barrier (2) matcoveredn (8), fire barrier (2) are connected with topping (8), form the closed fire barrier of a kind of architectural exterior insulation combined wall structure.
2. the closed fire barrier of a kind of architectural exterior insulation combined wall according to claim 1 structure; It is characterized in that; Basic unit's body of wall (1) quilt substitutes with major structure of construction (10) connecting reinforcement, metal lath and plaster layer (1-8), satisfies the fire endurance requirement with major structure of construction (10) connecting reinforcement, metal lath and plaster layer (1-8).
3. the closed fire barrier of a kind of architectural exterior insulation combined wall according to claim 1 and 2 structure; It is characterized in that; Also has the big plate of decorative curtain wall in topping (8) outside; Between big plate of decorative curtain wall and the topping (8) air space is arranged, in air space, level is set or/and vertical fire barrier (2) by a determining deviation.
4. the closed fire barrier of a kind of architectural exterior insulation combined wall according to claim 1 and 2 structure is characterized in that said topping (8) is the big plate of decorative curtain wall, and the big plate of decorative curtain wall satisfies the requirement of space enclosing structure fire endurance.
5. the closed fire barrier of a kind of architectural exterior insulation combined wall according to claim 1 and 2 structure is characterized in that said fire barrier (2) are inorganic heat insulation material.
6. the closed fire barrier of a kind of architectural exterior insulation combined wall according to claim 3 structure is characterized in that said fire barrier (2) are inorganic heat insulation material.
7. the closed fire barrier of a kind of architectural exterior insulation combined wall according to claim 4 structure is characterized in that said fire barrier (2) are inorganic heat insulation material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101705398A CN102839764A (en) | 2011-06-23 | 2011-06-23 | Closed fire barrier structure of external thermal insulation composite wall of building |
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| CN2011101705398A CN102839764A (en) | 2011-06-23 | 2011-06-23 | Closed fire barrier structure of external thermal insulation composite wall of building |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015120794A1 (en) * | 2014-02-12 | 2015-08-20 | 吴淑环 | Building component replacing plaster layer with prefabricated panel protection layer |
| CN108915139A (en) * | 2018-09-10 | 2018-11-30 | 江苏大美天第文化产业有限公司 | A kind of heat preservation decoration integrative building curtain wall and its construction method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101775848A (en) * | 2010-01-14 | 2010-07-14 | 上海英硕聚合物材料有限公司 | Fire-proof compound insulation system and construction method thereof |
| CN102080418A (en) * | 2009-12-21 | 2011-06-01 | 吴淑环 | Heat-shielding bridge cutoff structures of composite thermal-insulation wall door window opening |
-
2011
- 2011-06-23 CN CN2011101705398A patent/CN102839764A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102080418A (en) * | 2009-12-21 | 2011-06-01 | 吴淑环 | Heat-shielding bridge cutoff structures of composite thermal-insulation wall door window opening |
| CN101775848A (en) * | 2010-01-14 | 2010-07-14 | 上海英硕聚合物材料有限公司 | Fire-proof compound insulation system and construction method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015120794A1 (en) * | 2014-02-12 | 2015-08-20 | 吴淑环 | Building component replacing plaster layer with prefabricated panel protection layer |
| CN108915139A (en) * | 2018-09-10 | 2018-11-30 | 江苏大美天第文化产业有限公司 | A kind of heat preservation decoration integrative building curtain wall and its construction method |
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Application publication date: 20121226 |