CN103758250B - Self-insulation aerated-concrete face-brick-pasted wall and construction method thereof - Google Patents
Self-insulation aerated-concrete face-brick-pasted wall and construction method thereof Download PDFInfo
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- CN103758250B CN103758250B CN201410024502.8A CN201410024502A CN103758250B CN 103758250 B CN103758250 B CN 103758250B CN 201410024502 A CN201410024502 A CN 201410024502A CN 103758250 B CN103758250 B CN 103758250B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/90—Passive houses; Double facade technology
Abstract
The invention belongs to the field of building walls, and particularly relates to a self-insulation aerated-concrete face-brick-pasted wall and a construction method thereof. The self-insulation aerated-concrete face-brick-pasted wall is characterized in that the self-insulation aerated concrete block wall taking mortar masonry as an insulation layer sequentially comprises an internal decorative finish layer, a batch embedded processing layer, an aerated concrete block wall body, a waterproof interface layer, an anti-crack protective layer, a face brick bonding layer and a face-brick decorative finishing layer from inside to outside. The wall integrates functions of bearing and insulation, and is equal in service lives of insulation and structure, simple to construct, low in cost and good in fireproof performance; heat loss of weak parts of concrete beams and columns, shear walls and the like of the self-insulation wall is lowered effectively, the problem of moisture condensation of external wall heat bridge parts is solved, anti-permeability of aerated concrete and construction of an external decorative finish layer are improved, the problems of poor resistance to freezing and thawing of the aerated concrete, cracking of the decorative finishing layers, proneness to falling off of face bricks and the like are solved, and the wall is applicable to construction of external wall insulation of buildings.
Description
Technical field
The invention belongs to construction wall field, particularly, relate to a kind of air-entrained concrete building block self-heat conserving wall tile wall on heat and construction method.
Background technology
Air-entrained concrete building block self heat insulation wall integrates load-bearing and heat insulation function, compared with External Thermal Insulation Technology for External at organic insulation materials such as body of wall basic unit external pasting polyphenyl plate, polyurethane, there is construction simple, cheap, fire prevention, excellent in durability, with building with advantages such as life-spans.But also there is following technical problem in air-entrained concrete building block self heat insulation wall:
1), be typically provided with the concrete components such as Vierendeel girder, post and shear wall in external wall, these position heat waste are large, easily form " heat bridge " and exterior wall condensation trouble;
2), aerated concrete impervious property is poor, causes wall of aerated concrete block, in cold district, freeze-thaw damage occurs;
3), heat insulation building block body of wall and concrete component junction are prone to the qualitative problems of construction such as finish coat cracking, wall leakage;
4), adopt decorating surface brick outward at wall of aerated concrete block, exist the problems such as face brick easily comes off, face brick seam is easy to crack, pull strength is low, poor seismic behavior.
Because the problems referred to above are unresolved, cause air-entrained concrete building block self-heat conserving wall tile wall on heat to be seldom used at external wall insulation project.
technology contents
The defect existing for solving above-mentioned prior art, the invention provides a kind of air-entrained concrete building block self-heat conserving wall tile wall on heat and construction method, utilizes the thermal property of wall of aerated concrete block self to meet the energy-saving design requirement of exterior wall.
For achieving the above object, the present invention adopts following proposal:
Air-entrained concrete building block self-heat conserving wall tile wall on heat, insulation layer is the air-entrained concrete building block self heat insulation wall that mortar is built by laying bricks or stones; Comprise successively from inside to outside: interior finish coat, batch embedding processing layer, wall of aerated concrete block, waterproof boundary layer, anti-cracking protective layer, bonding layer of face brick, decorating surface brick layer.
With respect to prior art, the present invention has following beneficial effect:
1, gas concrete is a kind of environmental protection, reusable edible constructional materials, containing chemical hazard and radioactive pollution, have the material source of making extensively, the advantage such as stable material quality, insulation, heat insulation, sound insulation.Gas concrete is inorganic non-combustible material, reaches the fire protection requirement of A level, has solved the disaster hidden-trouble that current thermal-insulative external wall body brings because laying the organic insulation materials such as polyphenyl plate, polyurethane.
2, air-entrained concrete building block self heat insulation wall integrates exterior wall enclosure and heat insulation function, has met the energy-saving design requirement of body of wall, has realized the same life-span of insulation and structure, has fundamentally solved external wall outer insulation engineering and asynchronous problem in building application life.
3, lightweight, the easy processing of air-entrained concrete building block, speed of application are fast, and compared with External Thermal Insulation Technology for External, without carrying out mortar levelling and insulation layer sticking construction, working procedure is few, can effectively alleviate building wall body weight, reduce the input of basis and structure; Shorten project funds turn around time, comprehensive cost is with the obvious advantage.
4, adhesive powder-polystyrene granule thermal insulation mortar is smeared at the concrete component place such as Vierendeel girder, post and shear wall, has effectively reduced the heat waste at beam, post heat bridge position and shear wall position, has solved the condensation trouble at exterior wall heat bridge position.
5, waterproof boundary layer adopts gas concrete special-purpose water-proof interfacial agents, improve the impermeability of gas concrete, stop air-entrained concrete building block to absorb water from screed, effectively avoided wall of aerated concrete block that the problem of freeze-thaw damage occurs in cold district.
6, anti-cracking protective layer adopts anti-crack polymer cement mortar, and be pressed into alkali resistant glass fibre open weave cloth in the anti-cracking protective layer of heat insulation building block body of wall and concrete component junction, the adhesion stress of raising mortar and body of wall, has solved blockwork and concrete component junction is prone to finish coat hollowing, cracking, leakage problems.
7, bonding layer of face brick adopts binder for face brick, and face brick adopts the face brick of the back side with dove-tail form back-trough, has improved surface brick adherence intensity, has ensured that face brick can not come off because of External Force Acting; Adopt flexible water face brick pointing stuff, solved face brick and stitched problem easy to crack, improved the impervious waterproof ability of body of wall.
8, criticizing embedding processing layer employing thickness is 3-5mm high molecular polymer modified cement mortar, need not cement mortar screeding, adapt to the accurate in size feature of air-entrained concrete building block, meet the requirement of body of wall inner surface planeness, reduce construction link, shortened construction period.
9, the present invention effectively reduces the heat waste of aerating coagulation building block self heat insulation wall at weak parts such as concrete frame beam, post and shear walls, solve the condensation trouble at exterior wall heat bridge position, the impermeability of gas concrete and the structure way of exterior trim surface layer are improved, solve the problems such as gas concrete resistance to freezing and thawing is poor, finish coat ftractures, face brick easily comes off, be applicable to building exterior wall heat preserving construction.
Brief description of the drawings
Fig. 1 is the structural representation of air-entrained concrete building block self-heat conserving wall tile wall on heat of the present invention;
Fig. 2 is the organigram of air-entrained concrete building block self-heat conserving wall tile wall on heat of the present invention;
In figure, 1, interior finish coat, 2, criticize embedding processing layer, 3, wall of aerated concrete block, 4, waterproof boundary layer, 5, anti-cracking protective layer, 6, bonding layer of face brick, 7, decorating surface brick layer, 8, adhesive powder-polystyrene granule thermal insulation mortar, 9, alkali resistant glass fibre open weave cloth, 10, Vierendeel girder, 11, frame column, 12, shear wall.
Detailed description of the invention
As shown in Figure 1 and Figure 2, air-entrained concrete building block self-heat conserving wall tile wall on heat, comprises from inside to outside successively: interior finish coat 1, batch embedding processing layer 2, wall of aerated concrete block 3, waterproof boundary layer 4, anti-cracking protective layer 5, bonding layer of face brick 6, decorating surface brick layer 7; Insulation layer is the air-entrained concrete building block self heat insulation wall that mortar is built by laying bricks or stones.
Interior finish coat 1 adopts resin latex dope; Criticize embedding processing layer 2 and adopt high molecular polymer modified cement mortar, thickness is 3-5mm.
The building block of wall of aerated concrete block 3 adopts B04 or B05 level steam pressure sand aerated concrete block, and the thickness of wall of aerated concrete block requires to determine according to energy-saving design; The main performance index of steam pressure sand aerated concrete block is as follows: dry density≤500kg/m
3, coefficient of thermal conductivity≤0.14W/ (mK), compressive strength>=2.0MPa; Wall of aerated concrete block 3 adopts bonding mortar to build by laying bricks or stones, and gray seam thickness is 3-5mm; The main performance index of bonding mortar is as follows: dry density≤1800kg/m
3, coefficient of thermal conductivity≤0.35 W/ (mK), compressive strength>=5.0MPa, adhesive strength>=0.2MPa stretches when bonding with building block.
Waterproof boundary layer 4 adopts gas concrete waterproof interfacial agents, and the main performance index of waterproof interfacial agents is as follows: impervious pressure >=0.4MPa, tensile bond strength >=0.6MPa, shear bonding strength >=0.4MPa, shrinkage≤0.5%.
Anti-cracking protective layer 5 adopts anti-crack polymer cement mortar, and the main performance index of anti-crack polymer cement mortar is as follows: compressive strength >=5.0MPa, rupture strength >=2.0MPa, adhesion strength >=0.5MPa.
Bonding layer of face brick 6 adopts binder for face brick, and the main performance index of binder for face brick is as follows: adhesion strength >=0.6MPa, backfin ratio≤3.0, linear shrinkage≤0.3%.
Decorating surface brick layer 7 adopts the face brick of the back side with dove-tail form back-trough, face brick area≤150cm
2, thickness≤8mm, face brick water absorption rate≤3%; Face brick seam width>=5mm, with flexible water face brick pointing stuff filling brickwork joint.
The concrete components such as Vierendeel girder 10, frame column 11 and shear wall 12 adopt adhesive powder-polystyrene granule thermal insulation mortar 8 to be incubated processing by the side outside wall, the thickness of adhesive powder-polystyrene granule thermal insulation mortar requires definite according to energy-saving design, and concordant with wall of aerated concrete block; The main performance index of adhesive powder-polystyrene granule thermal insulation mortar is as follows: dry apparent density≤250kg/m
3, coefficient of thermal conductivity≤0.06W/ (mK), compressive strength>=0.2MPa, linear shrinkage≤0.3%, coefficient of softening>=0.5, presses and cuts adhesion strength>=0.05 MPa.
In the anti-cracking protective layer 5 of the concrete component junctions such as wall of aerated concrete block and Vierendeel girder 10, frame column 11 and shear wall 12, be pressed into alkali resistant glass fibre open weave cloth; The main performance index of alkali resistant glass fibre open weave cloth: mass area ratio>=290g/m
2, alkaline-resisting tension failure brute force (warp, broadwise)>=1500N/50mm, alkaline-resisting tension failure strength retention>=75%, elongation at break (warp, broadwise)≤4.0%.
The construction method of above-mentioned air-entrained concrete building block self-heat conserving wall tile wall on heat, comprises the following steps:
(1), after the concrete component such as Vierendeel girder 10, frame column 11, shear wall 12 constructed, adopt bonding mortar to build wall of aerated concrete block 3 by laying bricks or stones, gray seam thickness is 3-5mm;
(2), smear adhesive powder-polystyrene granule thermal insulation mortar 8 at concrete components such as Vierendeel girder 10, frame column 11 and shear walls 12 by wall outer side, first pass smearing thickness is not more than 10mm, later every time smearing thickness is not more than 20mm, interval is more than 24 hours, gross thickness is definite by energy-saving design requirement, and concordant with wall of aerated concrete block;
(3), wall of aerated concrete block 3 outside metopes are carried out to leveling, the not full mortar joint of building by laying bricks or stones fills up smooth; The brushing thick gas concrete special-purpose water-proof of 1 ~ 2mm interface forms waterproof boundary layer 4; After waterproof boundary layer 4 is dry, evenly to scrape and smear the polymer cement mortar formation anti-cracking protective layer boundary layer 3 that 3 ~ 6mm is thick, polymer cement mortar needs construction in layer; In the polymer cement mortar layer of the concrete component junctions such as blockwork and Vierendeel girder 10, frame column 11, shear wall 12, be pressed into alkali resistant glass fibre open weave cloth 9; After crack-resistant layer polymer cement mortar is dry, with flexible face brick adhesive mortar 6 binding face tiles 7, and opposite brickwork joint carries out jointing processing with flexible face brick pointing stuff;
(4), wall of aerated concrete block 3 inner side metopes are carried out to leveling, the not full mortar joint of building by laying bricks or stones fills up smooth; Brushing high molecular polymer modified cement mortar forms batch embedding processing layer 2; After batch embedding processing layer is dry, daub, finish coat 1 in forming.
Claims (6)
1. an air-entrained concrete building block self-heat conserving wall tile wall on heat, insulation layer is the air-entrained concrete building block self heat insulation wall that mortar is built by laying bricks or stones; It is characterized in that, comprise successively from inside to outside: interior finish coat, batch embedding processing layer, wall of aerated concrete block, waterproof boundary layer, anti-cracking protective layer, bonding layer of face brick, decorating surface brick layer;
Concrete component adopts adhesive powder-polystyrene granule thermal insulation mortar to be incubated processing by the side outside wall, and the thickness of adhesive powder-polystyrene granule thermal insulation mortar requires definite according to energy-saving design, and concordant with wall of aerated concrete block; The main performance index of adhesive powder-polystyrene granule thermal insulation mortar is as follows: dry apparent density≤250kg/m
3, coefficient of thermal conductivity≤0.06W/ (mK), compressive strength>=0.2MPa, linear shrinkage≤0.3%, coefficient of softening>=0.5, presses and cuts adhesion strength>=0.05MPa;
In the anti-cracking protective layer of wall of aerated concrete block and concrete component junction, be pressed into alkali resistant glass fibre open weave cloth; The main performance index of alkali resistant glass fibre open weave cloth: mass area ratio>=290g/m
2, warp-wise, the alkaline-resisting tension failure brute force>=1500N/50mm of broadwise, alkaline-resisting tension failure strength retention>=75%, warp-wise, broadwise elongation at break are all≤4.0%;
Concrete component comprises Vierendeel girder, frame column and shear wall;
The building block of wall of aerated concrete block adopts B04 or B05 level steam pressure sand aerated concrete block, and the thickness of wall of aerated concrete block requires to determine according to energy-saving design; The main performance index of steam pressure sand aerated concrete block is as follows: dry density≤500kg/m
3, coefficient of thermal conductivity≤0.14W/ (mK), compressive strength>=2.0MPa; Wall of aerated concrete block adopts bonding mortar to build by laying bricks or stones, and gray seam thickness is 3-5mm; The main performance index of bonding mortar is as follows: dry density≤1800kg/m
3, coefficient of thermal conductivity≤0.35W/ (mK), compressive strength>=5.0MPa, adhesive strength>=0.2MPa stretches when bonding with building block.
2. air-entrained concrete building block self-heat conserving wall tile wall on heat according to claim 1, is characterized in that: interior finish coat adopts resin latex dope; Criticize embedding processing layer and adopt high molecular polymer modified cement mortar, thickness is 3-5mm.
3. air-entrained concrete building block self-heat conserving wall tile wall on heat according to claim 2, it is characterized in that: waterproof boundary layer adopts gas concrete waterproof interfacial agents, the main performance index of waterproof interfacial agents is as follows: impervious pressure >=0.4MPa, tensile bond strength >=0.6MPa, shear bonding strength >=0.4MPa, shrinkage≤0.5%;
Anti-cracking protective layer adopts anti-crack polymer cement mortar, and the main performance index of anti-crack polymer cement mortar is as follows: compressive strength >=5.0MPa, rupture strength >=2.0MPa, adhesion strength >=0.5MPa;
Bonding layer of face brick adopts binder for face brick, and the main performance index of binder for face brick is as follows: adhesion strength >=0.6MPa, backfin ratio≤3.0, linear shrinkage≤0.3%.
4. air-entrained concrete building block self-heat conserving wall tile wall on heat according to claim 3, is characterized in that: decorating surface brick layer adopts the face brick of the back side with dove-tail form back-trough, face brick area≤150cm
2, thickness≤8mm, face brick water absorption rate≤3%; Face brick seam width>=5mm, with flexible water face brick pointing stuff filling brickwork joint.
5. the construction method of air-entrained concrete building block self-heat conserving wall tile wall on heat claimed in claim 4, comprises the following steps:
(1), after concrete component constructed, adopt bonding mortar to build wall of aerated concrete block by laying bricks or stones, gray seam thickness is 3-5mm;
(2), member is smeared adhesive powder-polystyrene granule thermal insulation mortar by wall outer side, first pass smearing thickness is not more than 10mm, and later every time smearing thickness is not more than 20mm, and interval is more than 24 hours, gross thickness is definite by energy-saving design requirement, and concordant with wall of aerated concrete block;
(3), metope outside wall of aerated concrete block is carried out to leveling, the not full mortar joint of building by laying bricks or stones fills up smooth; The brushing thick gas concrete special-purpose water-proof of 1～2mm interface forms waterproof boundary layer; After waterproof boundary layer is dry, evenly to scrape and smear the polymer cement mortar formation anti-cracking protective layer boundary layer that 3～6mm is thick, polymer cement mortar needs construction in layer; In the polymer cement mortar layer of blockwork and concrete component junction, be pressed into alkali resistant glass fibre open weave cloth; After crack-resistant layer polymer cement mortar is dry, with flexible face brick adhesive mortar binding face tile, and opposite brickwork joint carries out jointing processing with flexible face brick pointing stuff;
(4), metope inside wall of aerated concrete block is carried out to leveling, the not full mortar joint of building by laying bricks or stones fills up smooth; Brushing high molecular polymer modified cement mortar forms batch embedding processing layer; After batch embedding processing layer is dry, daub, finish coat in forming.
6. the construction method of air-entrained concrete building block self-heat conserving wall tile wall on heat according to claim 5, is characterized in that: concrete component comprises Vierendeel girder, frame column and shear wall.
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| CN201410024502.8A CN103758250B (en) | 2014-01-20 | 2014-01-20 | Self-insulation aerated-concrete face-brick-pasted wall and construction method thereof |
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| CN201410024502.8A CN103758250B (en) | 2014-01-20 | 2014-01-20 | Self-insulation aerated-concrete face-brick-pasted wall and construction method thereof |
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| CN103758250B true CN103758250B (en) | 2014-12-03 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196134A (en) * | 2014-09-04 | 2014-12-10 | 中建四局第六建筑工程有限公司 | Heat preservation system and construction method thereof |
| CN104712074B (en) * | 2015-02-05 | 2016-10-12 | 山东建筑大学 | Steam pressure sand aerated concrete self-heat conserving composite mortar body of wall and construction method thereof |
| CN104975689A (en) * | 2015-06-30 | 2015-10-14 | 贵州建工集团有限公司 | Thin cast-in-place concrete thin plastering component and construction process thereof |
| WO2018143425A1 (en) * | 2017-02-03 | 2018-08-09 | イーグル工業株式会社 | Heat-insulating structure and liquid supply system |
| CN107761967B (en) * | 2017-10-20 | 2021-02-26 | 江苏尼高科技有限公司 | Heat insulation treatment method for heat bridge part of external wall self-heat insulation system |
| CN108015880B (en) * | 2017-12-04 | 2018-11-02 | 山东建筑大学 | For the combined wall board of assembling type steel structure building and its making and installation method |
| CN108106992B (en) * | 2017-12-19 | 2020-12-08 | 中建材中岩科技有限公司 | Method for testing adhesive property of coating material under pressure water seepage condition |
| CN109487922A (en) * | 2018-11-14 | 2019-03-19 | 仇国辉 | System solves external wall leakproof anti-seepage heat insulating heat-insulating decorative anti-dropout construction technology |
| CN113152706A (en) * | 2021-04-25 | 2021-07-23 | 唐山冀东发展燕东建设有限公司 | Thermal-insulation fireproof external wall panel for ultralow-energy-consumption building and construction method thereof |
| CN115354772B (en) * | 2022-09-09 | 2024-04-09 | 中建八局第三建设有限公司 | Design and construction method of combined archaized brick wall structure system |
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