CN102345352B - Multilayer structure of building outer wall in severe cold region and construction method of multilayer structure - Google Patents
Multilayer structure of building outer wall in severe cold region and construction method of multilayer structure Download PDFInfo
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- CN102345352B CN102345352B CN201010239960.5A CN201010239960A CN102345352B CN 102345352 B CN102345352 B CN 102345352B CN 201010239960 A CN201010239960 A CN 201010239960A CN 102345352 B CN102345352 B CN 102345352B
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- insulation layer
- sandwich construction
- severe cold
- external wall
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Abstract
The invention discloses a multilayer structure of a building outer wall in a severe cold region. Compared with that of the conventional building outer wall, the multilayer structure is characterized in that: a damp proof layer which is used for isolating a base from a heat insulation layer of a main body is arranged on a wash apron slope; an air suction and exhaust hole is formed on the wall surface of the building outer wall; and an air suction and exhaust pipe is arranged in the air suction and exhaust hole. The invention also discloses the air suction and exhaust pipe which comprises a pipe with a saw tooth and an elbow connected with the pipe. Simultaneously, the invention also discloses a method for constructing the multilayer structure. By the multilayer structure, a coating surface layer of the building outer wall in the severe cold region can be prevented from falling.
Description
Technical field
The present invention relates to a kind of structure of external wall, particularly relate to a kind of external wall sandwich construction that can prevent that severe cold area building external paint surface layer from coming off, meanwhile, the invention still further relates to the construction method of described sandwich construction.
Background technology
Severe cold area multi-layer energy-saving architectural design generally adopts external wall outer insulation, and after EPS plate insulation layer and thin plaster skin coat, blade coating putty and coating are decorated external wall successively thereon.But, appearance in various degree in the construction work of part multi-layer energy-saving is delivered for use Second Year early spring peeling obscission, these quality problems have had a strong impact on the impression quality of building.
Cause that the reason that coating surface layer comes off is as follows:
Severe cold area Autumn Rain makes its basal perimeter soil very wet or approach saturated, basis insulation layer humidity is larger, in the situation that not taking to cut off measure, at heating period, saturated steam in the insulation layer of basis is upwards migration constantly, has increased the humidity increment in building body insulation layer; In addition, due to more late in severe cold area commencement of works construction, go into operation then and must be completed, wall humidity when completion, indoor common employing underground heat radiant heating mode, temperature is higher, and body of wall humidity is larger, under the effect of room air partial vapor pressure, heating period body of wall steam constantly permeates to building body insulation layer.Under the effect of two kinds of unfavorable factors, under the effect of many rough sledding such as putty, external coating infiltration resistance is excessive in addition, building external paint produces and comes off.
Therefore, need a kind of external wall sandwich construction that can prevent that severe cold area building external paint surface layer from coming off.
Summary of the invention
For the problems referred to above, the present invention aims to provide a kind of external wall sandwich construction that can prevent that severe cold area building external paint surface layer from coming off, and meanwhile, provides the construction method of described sandwich construction.
The present invention is a kind of as follows for the external wall sandwich construction of severe cold area and the technical scheme of construction method thereof:
A kind of external wall sandwich construction for severe cold area of the present invention, comprises foundation and main part, and described foundation comprises base exterior wall, cement sand bed, tack coat, EPS plate insulation layer, thin floated coat, brickwork protecting wall successively, described main part comprises masonry, cement sand bed, tack coat, EPS plate insulation layer, thin floated coat and putty, external coating successively, establish damp-proof course at the apron slope position of described external wall sandwich construction and separate the EPS plate insulation layer of foundation and main part, the part of described damp-proof course vertical direction is close to the cement sand bed of foundation, the part of described damp-proof course horizontal direction covers the EPS plate insulation layer of foundation, thin floated coat, on brickwork protecting wall, in gap between the part of described damp-proof course horizontal direction and main part EPS plate insulation layer, establish caulking material, structure glue sealing caulking material surface is established in the outside of described caulking material, described main part EPS plate insulation layer and thin plaster skin coat and junction, apron slope position adopt the cut oil pitch cementation of fissures.
Further, the thickness of the cement sand bed of described foundation and main part is 20mm.
Further, described damp-proof course adopts SBC120 polyethylene polypropylene composite of water-proof coiled material.
Further, described caulking material is polyethylene foams.
Further, the described external wall sandwich construction for severe cold area, comprise main part, at the position on two layers of window bottom of building and top-level windows top, the upper and lower two boards joint of described EPS warming plate is reserved with the horizontal joint of wide 2mm, the thick EPS plate of horizontal joint application 40mm is cut into wedge shape lath and sows plug along level, establishes suction pore along horizontal joint near window place, in described suction pore, suction tracheae is installed.
Further, the periphery that described suction pore and suction tracheae are installed is filled sealing with polyurethane foams.
Further, be installed on the suction tracheae of described suction pore for the external wall sandwich construction main part of severe cold area, comprise the serrate pipe in one end and the elbow being connected with described serrate pipe.
Further, the diameter of described serrate pipe is 75mm or 110mm, and the diameter of the elbow being connected with described serrate pipe is 75mm or 110mm;
Further, described serrate pipe is PVC with the material of the elbow being connected with described serrate pipe.
The present invention, for the construction method of the external wall sandwich construction of severe cold area, comprises the following steps:
The first step: construct successively described base exterior wall, cement sand bed, tack coat, EPS plate insulation layer, thin floated coat, brickwork protecting wall, make at the apron slope position of described external wall sandwich construction the damp-proof course that has together bending along cement sand bed;
Second step: be close to the described vapour barrier that has bending and construct successively base exterior wall, EPS plate insulation layer, thin floated coat and the brickwork protecting wall of the foundation of described external wall sandwich construction, the part of described damp-proof course vertical direction is close to the cement sand bed of foundation, and the part of described damp-proof course horizontal direction covers on the EPS plate insulation layer of foundation, thin floated coat and brickwork protecting wall;
The 3rd step: establish caulking material in the gap between part and the main part of described damp-proof course horizontal direction, establish structure glue sealing caulking material surface in the outside of described caulking material;
The 4th step: construct successively EPS plate insulation layer, thin floated coat, putty, external coating above the sealing colloid of described caulking material and arranged outside thereof;
The 5th step: when apron slope, stay with junction, apron slope position the shrinkage joint that 20mm is wide, 30mm is dark at the EPS of described main part warming plate and thin plaster skin coat in construction, the use cut oil pitch cementation of fissures.
Further, be positioned at the position on two layers of window bottom of building and top-level windows top in described main part, the upper and lower two boards joint of described EPS warming plate is reserved with the horizontal joint of wide 2mm, whole building horizontal joint should be handed over circle, the thick EPS plate of horizontal joint application 40mm is cut into wedge shape lath and sows plug along level, establish suction pore along horizontal joint near window place, in described suction pore, suction tracheae is installed, is filled sealing at the periphery of described suction pore and the installation of suction tracheae with polyurethane foams.
A kind of external wall sandwich construction for severe cold area of the present invention and the beneficial effect of construction method thereof are:
(1) at the apron slope position of described external wall sandwich construction, vapour barrier is set, the insulation layer of foundation and main part can be separated, intercepted the saturated steam of foundation insulation layer to the migration of main part insulation layer;
(2) between masonry outside and tack coat, construct cement sand bed, increase vapor permeation resistance, make it be difficult to infiltrate into EPS plate insulation layer and thin plaster skin coat, thereby cut down the further infiltration of steam;
(3) on affiliated external wall sandwich construction, set up suction pore, and at described suction pore place, suction tracheae is installed, be conducive to the discharge of body of wall internal water steam.
Brief description of the drawings
Fig. 1 is that the present invention is a kind of for the external wall sandwich construction of severe cold area and the foundation of an embodiment of construction method and the structural representation of main part joint;
Fig. 2 is a kind of structural representation for the external wall sandwich construction of severe cold area and the suction tracheae of construction method thereof of the present invention;
Fig. 3 is the suction and discharge pipe mounting structure schematic diagram of a kind of external wall sandwich construction for severe cold area of the present invention and construction method thereof;
Wherein, 1, SBC120 polyethylene polypropylene composite of water-proof coiled material, 2, polyethylene foams rod, 3, sealing colloid, 4, cut oil pitch, 5, base exterior wall, 6, cement sand bed, 7, tack coat, 8, EPS plate insulation layer and thin floated coat, 9, brickwork protecting wall, 10, putty, 11, coating surface layer, 12, serrate pipe, 13, elbow, 14, polyurethane.
Detailed description of the invention
In order to further illustrate technical scheme of the present invention, in conjunction with the accompanying drawings and embodiments a kind of external wall sandwich construction and construction method thereof for severe cold area of the present invention is elaborated.
Embodiment:
Referring to accompanying drawing 1, a kind of external wall sandwich construction for severe cold area of the present invention comprises foundation and main part, and described foundation comprises the thick masonry 5 of 370mm, 20mm solid cement mortar surface layer 6, tack coat 7, the thin floated coat 8 of EPS and the thick common brick masonry 9 of 60mm successively; Adopt SBC120 polyethylene polypropylene composite of water-proof coiled material 1 to arrange damp-proof course at the apron slope position of described external wall sandwich construction, the part of described damp-proof course vertical direction is close to base exterior wall cement sand bed 8, the part of described damp-proof course horizontal direction covers on EPS plate insulation layer and thin floated coat 8, common brick masonry 9, in gap between part and the main part insulation layer of described damp-proof course horizontal direction, establish polyurethane foam plastics rod 2 as caulking material, the arranged outside structure glue 3 of described caulking material seals caulking material 2; Described main part comprises thick cement sand bed 6, tack coat 7, EPS plate insulation layer and thin floated coat 8, putty 10 and the coating surface layer 11 of masonry 5,20mm that 370mm is thick successively, and described EPS plate insulation layer and thin floated coat 8 outsides and junction, aproll position adopt the cut oil pitch cementation of fissures 4.
Referring to accompanying drawing 2 and accompanying drawing 3, the described external wall sandwich construction for severe cold area, be positioned at the position on two layers of window bottom of building and top-level windows top in described main part, described EPS warming plate Shang Xia 8 joint be reserved with the horizontal joint of wide 2mm, the thick EPS plate of horizontal joint application 40mm is cut into wedge shape lath and sows plug along level, near interval 10m on the metope at window place, suction pore is set along horizontal joint, in described suction pore, suction tracheae is installed.Described suction tracheae is the elbow 13 that pipe 12 that the serrate diameter in one end be made up of PVC is 75mm is 75mm with the diameter being connected with described serrate pipe that be made up of PVC.The slightly larger in diameter of described suction pore, in the diameter of suction tracheae, is filled sealing at the periphery filled polyurethane blowing agent 14 of described suction pore and the installation of suction tracheae.
When the external wall sandwich construction for severe cold area based on described is constructed, first successively construct the described thick masonry 5 of 370mm, 20mm solid cement screed 6 and tack coat 7 in foundation, adopt SBC120 polyethylene polypropylene composite of water-proof coiled material 1 to be provided with the damp-proof course of bending at the apron slope position of described external wall sandwich construction along foundation, afterwards, be close to the described damp-proof course that has bending and construct successively EPS plate insulation layer and thin floated coat 8 and the thick common brick masonry 9 of 60mm of the foundation of described external wall sandwich construction, the part of described damp-proof course vertical direction is close to cement sand bed 6, and the part of described damp-proof course horizontal direction covers on EPS plate insulation layer and thin floated coat 8, common brick masonry 9, afterwards, in the gap between part and the main part insulation layer of described damp-proof course horizontal direction, establish polyurethane foam plastics rod 2 as caulking material, seal caulking material 2 in the arranged outside structure glue 3 of described caulking material, afterwards, above the structure glue 3 of described caulking material 2 and arranged outside thereof, construct successively EPS plate insulation layer and thin floated coat 8, putty 10 and coating surface layer 11, afterwards, at described EPS plate insulation layer and thin plaster skin coat 8 outsides and junction, the aproll position employing cut oil pitch cementation of fissures 4, when the main part of the external wall sandwich construction for severe cold area based on described is constructed, be positioned at the position on two layers of window bottom of building and top-level windows top in described main part, described EPS warming plate Shang Xia 8 joint be reserved with the horizontal joint of wide 2mm, the thick EPS plate of horizontal joint application 40mm is cut into wedge shape lath and sows plug along level, near interval 10m on the metope at window place, suction pore is set along horizontal joint, in described suction pore, suction tracheae is installed.Described suction tracheae is the elbow 13 that pipe 12 that the serrate diameter in one end be made up of PVC is 75mm is 75mm with the diameter being connected with described serrate pipe that be made up of PVC.The slightly larger in diameter of described suction pore, in the diameter of suction tracheae, is filled sealing at described suction pore periphery filled polyurethane blowing agent 14.After a Heating Period, suction tracheae can be removed, with same material recovery, or with polyurethane foaming thermal insulation material, suction pore is made to shutoff, mend brush putty and coating.
Claims (9)
1. the external wall sandwich construction for severe cold area, comprise foundation and main part, it is characterized in that: described foundation comprises base exterior wall, cement sand bed, tack coat, EPS plate insulation layer, thin floated coat, brickwork protecting wall successively, described main part comprises masonry, cement sand bed, tack coat, EPS plate insulation layer, thin floated coat and putty, external coating successively, establish damp-proof course separation foundation and the described main part EPS plate insulation layer at the position of two layers of window bottom of building at the apron slope position of described external wall sandwich construction, the part of described damp-proof course vertical direction is close to the cement sand bed of foundation, the part of described damp-proof course horizontal direction covers the EPS plate insulation layer of foundation, thin floated coat, on brickwork protecting wall, the part of described damp-proof course horizontal direction and described main part are established caulking material in the gap between the EPS plate insulation layer of the position of two layers of window bottom of building, structure glue sealing caulking material surface is established in the outside of described caulking material, described main part is at the position of two layers of window bottom of building EPS plate insulation layer and thin plaster skin coat and junction, the apron slope position employing cut oil pitch cementation of fissures, described main part, at the position on two layers of window bottom of building and top-level windows top, the upper and lower two boards joint of described EPS warming plate is reserved with the horizontal joint of wide 2mm, horizontal joint application EPS plate is cut into wedge shape lath and sows plug along level, establish suction pore along horizontal joint near window place, in described suction pore, suction tracheae is installed.
2. a kind of external wall sandwich construction for severe cold area according to claim 1, is characterized in that: the thickness of the cement sand bed of described foundation and main part is 20mm.
3. a kind of external wall sandwich construction for severe cold area according to claim 1, is characterized in that: described damp-proof course adopts SBC120 polyethylene polypropylene composite of water-proof coiled material.
4. a kind of external wall sandwich construction for severe cold area according to claim 1, is characterized in that: described caulking material is polyethylene foams.
5. a kind of external wall sandwich construction for severe cold area according to claim 1, is characterized in that: the periphery polyurethane foams that described suction pore and suction tracheae are installed is filled sealing.
6. a kind of external wall sandwich construction for severe cold area according to claim 1, is characterized in that: described suction tracheae comprises the serrate pipe in one end and the elbow being connected with described serrate pipe.
7. a kind of external wall sandwich construction for severe cold area according to claim 6, is characterized in that: the diameter of described serrate pipe is 75mm or 110mm, and the diameter of the elbow being connected with described serrate pipe is 75mm or 110mm;
Further, described serrate pipe is PVC with the material of the elbow being connected with described serrate pipe.
8. the construction method based on the external wall sandwich construction for severe cold area claimed in claim 1, is characterized in that: comprise the following steps:
The first step: construct successively described base exterior wall, cement sand bed, tack coat, EPS plate insulation layer, thin floated coat, brickwork protecting wall, make at the apron slope position of described external wall sandwich construction the damp-proof course that has together bending along cement sand bed;
Second step: the part of described damp-proof course vertical direction is close to the cement sand bed of foundation, the part of described damp-proof course horizontal direction covers on the EPS plate insulation layer of foundation, thin floated coat and brickwork protecting wall;
The 3rd step: establish caulking material in the part of described damp-proof course horizontal direction and the gap of described main part between the position of two layers of window bottom of building, establish structure glue sealing caulking material surface in the outside of described caulking material;
The 4th step: construct successively EPS plate insulation layer, thin floated coat, putty, external coating above the sealing structure glue of described caulking material and arranged outside thereof;
The 5th step: in the time of construction apron slope, EPS warming plate and the reserved shrinkage joint of thin plaster skin coat and junction, apron slope position in described main part at the position of two layers of window bottom of building, with the cut oil pitch cementation of fissures.
9. the construction method based on the external wall sandwich construction for severe cold area claimed in claim 1, it is characterized in that: the position that is positioned at two layers of window bottom of building and top-level windows top in described main part, the upper and lower two boards joint of described EPS warming plate is reserved with the horizontal joint of wide 2mm, whole building horizontal joint should be handed over circle, the thick EPS plate of horizontal joint application 40mm is cut into wedge shape lath and sows plug along level, establish suction pore along horizontal joint near window place, in described suction pore, suction tracheae is installed, periphery in described suction pore and the installation of suction tracheae is filled sealing with polyurethane foams.
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CN201010239960.5A CN102345352B (en) | 2010-07-29 | 2010-07-29 | Multilayer structure of building outer wall in severe cold region and construction method of multilayer structure |
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CN201010239960.5A CN102345352B (en) | 2010-07-29 | 2010-07-29 | Multilayer structure of building outer wall in severe cold region and construction method of multilayer structure |
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CN102345352B true CN102345352B (en) | 2014-07-16 |
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CN102776897B (en) * | 2012-08-21 | 2014-09-10 | 庆阳华晨建筑安装工程有限公司 | Wash apron anti-settling anti-cracking construction method and structure |
CN102852164B (en) * | 2012-10-10 | 2014-11-19 | 中国建筑第七工程局有限公司 | Construction method of self-waterproof type concrete water dispersing structure |
CN103866879A (en) * | 2012-12-12 | 2014-06-18 | 贵阳铝镁设计研究院有限公司 | Method and structure for improving moisture resistance of wall body of bathroom in cold region |
CN103603469B (en) * | 2013-11-25 | 2016-06-22 | 刘海宁 | A kind of prevention external thermal insulation coating ornamental surface cracking construction technology |
CN104594390B (en) * | 2014-11-27 | 2016-07-06 | 天津住宅集团建设工程总承包有限公司 | A kind of aproll construction method at fireproof heat-preserving wall place |
CN106869363A (en) * | 2017-02-18 | 2017-06-20 | 滨州盛华建材有限公司 | A kind of decoration type composite thermal-insulating wall and its construction method |
CN114318993A (en) * | 2021-12-24 | 2022-04-12 | 东北林业大学 | Cold region highway cutting slope interlayer water disease treatment method |
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