CN103603469B - A kind of prevention external thermal insulation coating ornamental surface cracking construction technology - Google Patents
A kind of prevention external thermal insulation coating ornamental surface cracking construction technology Download PDFInfo
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- CN103603469B CN103603469B CN201310601240.2A CN201310601240A CN103603469B CN 103603469 B CN103603469 B CN 103603469B CN 201310601240 A CN201310601240 A CN 201310601240A CN 103603469 B CN103603469 B CN 103603469B
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Abstract
The invention discloses a kind of prevention external thermal insulation coating ornamental surface cracking construction technology, comprise the following steps: control line bottom A, bullet；On outdoor bank protection basis with body of wall junction along building surrounding bullet horizontal control lines, this line is the datum line of moisture proof coiled material construction；B, polyphenyl plate heat preserving layer are constructed；According to playing door and window, orthogonal control lines etc. → hang datum line, viscous turn over bag grid cloth → viscous styrofoam → installations anchoring piece → smear mortar, spreading pressure network lattice cloth fundamental order and carry out heat-insulation layer construction；C, indwelling airway, installation suction, steam vent；Under two layers of window of building, the airway of wide 20 levels of 300 indwellings, installs suction hole at airway near window place；The airway of wide 20 levels on top-level windows top also indwelling, sets steam vent with the vertical correspondence position of suction hole on this airway；The outside of airway EPS sheet wedge shape lath seals；D, outdoor bank protection basis are done stickup damp course dampproofing with body of wall junction and are processed。
Description
Technical field
The present invention relates to a kind of construction technology building high-rise outer wall, prevent external thermal insulation to be coated with more particularly to one
Material facing cracking construction technology, belongs to technical field of building construction。
Background technology
Along with developing rapidly of building energy conservation, External Thermal Insulation Technology for External is widely applied in the world, wherein Applicative time the earliest, application area maximum surely belong to molding styrofoam (EPS) external insulating system for thinly plastered external wall。EPS outer heat preservation system before 50 years Germany come out, after America and Europe popular；China's Learning Studies applies this advanced technology also to be had 20 years as long as, and engineer applied amount constantly expands, and achieves good result of use。
Cold district multilamellar and high-rise energy saving building design commonly used external wall outer insulation and paste EPS sheet thin-coat plaster system, its exterior trim generally adopt coating or other outer be coated with facing。Part multi-layer energy-saving is built, (particularly go into operation then, then Finished engineering) heating period after completion of works, the cavity that insulating layer of external wall, tack coat are formed and the humidity severe overweight ((△ w) > 15%) in heat-insulation layer, the Second Year early spring after being delivered for use, cracking, decortication phenomenon just there is in various degree, it is necessary to repeated reparation, both have impact on the insulation quality of body of wall, waste again financial resource and material resource, add building cost。
Summary of the invention
The problem to be solved in the present invention is the defect in order to overcome tradition insulation technique of wall, there is provided one can prevent and reduce high-rise body of wall outer for coated surface cracking, obscission, improve wall thermal insulating quality, reduce the prevention external thermal insulation coating ornamental surface cracking construction technology of building cost。
In order to solve the problems referred to above, the present invention by the following technical solutions:
A kind of prevention external thermal insulation coating ornamental surface cracking construction technology, comprises the following steps:
Control line bottom A, bullet
On outdoor bank protection basis with body of wall junction along building surrounding bullet horizontal control lines, this line is the datum line of moisture proof coiled material construction；
B, polyphenyl plate heat preserving layer are constructed
According to playing door and window, orthogonal control lines etc. → hang datum line, viscous turn over bag grid cloth → viscous styrofoam → installations anchoring piece → smear mortar, spreading pressure network lattice cloth fundamental order and carry out heat-insulation layer construction；
It is characterized in that: in stepb, also include following technique；
C, indwelling airway, installation suction, steam vent
Under two layers of window of building, the airway of wide 20 levels of 300 indwellings, installs suction hole at airway near window place；
The airway of wide 20 levels on top-level windows top also indwelling, sets steam vent with the vertical correspondence position of suction hole on this airway；
The outside of airway EPS sheet wedge shape lath seals；
D, outdoor bank protection basis are done stickup damp course dampproofing with body of wall junction and are processed。
The following is the present invention further optimization to such scheme:
Described suction hole, steam vent are arranged on the southern side external thermal insulation wall surface of building。
Optimize further: in step C, first under two layers of window of building, 300 places play horizontal control lines in advance, treating that EPS sheet sticking construction is to herein, the horizontal joint of upper and lower two boards joint reserved 20, building integral level is sewn on control line place and circle place can be handed over as far as possible to hand over circle；
Then cutting 40 thick 20 wide EPS sheet wedge shape laths with wire cutting machine, stave lengths is isometric with EPS sheet level；
With rubber hammer and thin bamboo slab rubber bar wedge shape lath gently being beaten along horizontal joint and fill in, make horizontal joint be internally formed airway, panel surface keeps consistent with periphery EPS sheet flatness。
Optimizing further: in step C, level interval 10m between suction hole hole, suction hole adopts diameter Ф 70 and Ф 75PVC pipe assembled, and the embedding end of suction hole is laciniation。
Optimize further: in step D, first at outdoor bank protection base bits horizontal control lines place, wall insulating layer and body of wall side are cleared up, then smears into arc-shaped at junction anti-cracking plastering mortar, ensure that thickness is wiped one's face uniformly in wall insulating layer and body of wall side, after just doing, carry out installation of membrane；
The SBC120 polyethylene waterproof roll segmentation of well cutting is fixed, segmentation paste, under turn over 300～500。During operation: first with scraper plate by uniform for the polymer cement blade coating body of wall side surface at coiled material He its correspondence, then coiled material is pasted with body of wall side, and with scraper plate at web exterior surface compacting, eliminating bonding plane air and unnecessary bonding agent；
Basis heat-insulation layer is pasted between waterproof roll bottom and outdoor bank protection basis。
Optimize further: SBC120 polyethylene coiled material forbids overlap joint at external corner circular arc place, roll side lap width >=150, and lap-joint pastes plain, should without crumpling, warpage, play empty phenomenon。
Optimize further: when pasting basis heat-insulation layer, in advance according to junction circular shape, the basic heat-insulation layer side special grinding machine of all pre-stickups is polished into arc-shaped, to be pasted；
The outer bank protection basis of cleaning chamber, reserves operation side, substrate element soil ramming compacting within the scope of wall outer side 1200mm；
Basis heat-insulation layer is pasted after polymer cement mortar under waterproof roll solidifies; when pasting basis heat-insulation layer; stay in junction and set 15 wide horizontal joints; interior filler/polyethylene foamed plastic rod; paste complete until basis, junction heat-insulation layer and smear finish coat mortar, paving pressure has been after glass fiber net constructed; peripheral cement mortar adds block 60mm width one brick wall body and does protective layer, at brick wall top and sticking plaster cross-stitch place cut oil Colophonium filleting, carries out outdoor slope protection construction after completing。
Optimizing further: the construction of external wall outer insulation dope layer is complete, metope suction hole, the polyurethane foams foaming of steam vent periphery are closed, suction hole, steam vent, after a Heating Period, are removed by engineering, recover metope with identical material。
The present invention adopts such scheme, stop steam migrated in heat-insulation layer cavity by setting damp-proof treatment in outdoor bank protection basis and body of wall junction, reduce humidity delta, outside the building thermal insulation wall surface sets suction, steam vent, under two layers of window of building, 300 places arrange level ventilation road and carry out inspiratory flow direct bank remittance service collection, utilize the vertical clearance gap pasted between about wall insulated board, the Horizontal vents that dampness is guided into top is got rid of outside building body, dredge exhaust passage in heat-insulation layer, increase and arrange outside dampness, take to stop steam in the external thermal insulation of basis upwards to migrate and outside the building thermal insulation wall surface sets up suction, the construction method of steam vent reduces insulation material (containing cavity) weight humidity delta, with the outer for coated surface cracking of prevention and reduction, obscission, improve wall thermal insulating quality, reduce building cost。
Below in conjunction with drawings and Examples, the invention will be further described。
Accompanying drawing explanation
Accompanying drawing 1 is the installation effect schematic diagram of airway in the embodiment of the present invention, suction, steam vent；
Accompanying drawing 2 is that in the embodiment of the present invention, basis and main body heat-insulation layer intersection make damp-proof treatment schematic diagram；
Accompanying drawing 3 is schematic diagram after the EPS sheet side intersection polishing pasted in advance in the embodiment of the present invention；
Accompanying drawing 4 is the mounting structure schematic diagram of suction hole in the embodiment of the present invention。
In figure: 1-body of wall；Bank protection basis, 2-outdoor；3-wall insulating layer；4-damp-proof layer；5-airway；6-steam vent；7-suction hole；8-basis heat-insulation layer；9-cut oil Colophonium filleting。
Detailed description of the invention
Embodiment, as Figure 1-4, a kind of prevention external thermal insulation coating ornamental surface cracking construction technology, comprise the following steps:
Control line bottom A, bullet
On outdoor bank protection basis 2 with body of wall 1 junction along building surrounding bullet horizontal control lines, this line is the datum line of moisture proof coiled material construction；
B, polyphenyl plate heat preserving layer are constructed
According to playing door and window, orthogonal control lines etc. → hang datum line, viscous turn over bag grid cloth → viscous styrofoam → installations anchoring piece → smear mortar, spreading pressure network lattice cloth fundamental order and carry out heat-insulation layer construction；
In stepb, following technique is also included；
C, indwelling airway 5, installation suction, steam vent 6
Under two layers of window of building, 300 (according to the actual Adjustable Ranges of Design Requirement Drawing and job site) play horizontal control lines in advance, treat that EPS sheet sticking construction is to herein, the horizontal joint of upper and lower two boards joint reserved 20, building integral level is sewn on control line place and circle place can be handed over as far as possible to hand over circle。
Cutting 40 thick 20 wide EPS sheet wedge shape laths with EPS sheet manufacturer dedicated line cutting machine, stave lengths is isometric with EPS sheet level, according to construction needs, the available concrete size of scissors cutting。
With rubber hammer and thin bamboo slab rubber bar wedge shape lath gently beaten along horizontal joint and fill in, make horizontal joint be internally formed airway 5, install suction hole 7 at airway 5 near window place；
Want accurate operation during filling, stretch into until lath and get into the slowly impact of small rubber hammer after fraction, it is ensured that lath is intact not damaged, and panel surface keeps consistent with periphery EPS sheet flatness。
The airway 5 of wide 20 levels on top-level windows top also indwelling, sets steam vent 6 with the vertical correspondence position of suction hole 7 on this airway 5；Steam vent 6 size and way are with suction hole 7。
The outside of airway 5 EPS sheet wedge shape lath seals；Described suction hole 7, steam vent 6 are arranged on the southern side external thermal insulation wall surface of building。
, level interval 10m between suction hole 7 hole, suction hole 7 adopts diameter Ф 70 and Ф 75PVC pipe assembled, and the embedding end of suction hole 7 is laciniation。
Horizontal joint because of upper and lower two boards joint reserved 20, two boards is all pasted with bonding agent, the horizontal joint of 20 warming plate of same material is processed into wedge shape, without the real patch of bonding agent, but the dry gap jam-packed filled between two boards, material is thus formed the inside straight joint of horizontal direction, form airway。
EPS sheet installs, and installs anchoring piece, smears polymer mortar paving pressure glass fiber reticular cloth。
D, outdoor bank protection basis 2 are pasted damp-proof layer 4 with body of wall 1 junction and are done damp-proof treatment。
First at 2 horizontal control lines places, outdoor bank protection basis, wall insulating layer 3 and body of wall 1 side are cleared up, then arc-shaped is smeared at junction anti-cracking plastering mortar, it is ensured that thickness is wiped one's face uniformly in wall insulating layer 3 and body of wall 1 side, carries out installation of membrane after just doing；
The SBC120 polyethylene waterproof roll segmentation of well cutting is fixed, segmentation paste, under turn over 300～500。During operation: first with scraper plate by uniform for polymer cement blade coating body of wall 1 side surface at coiled material He its correspondence, then coiled material is pasted with body of wall 1 side, and with scraper plate at web exterior surface compacting, eliminating bonding plane air and unnecessary bonding agent；
Paste basis heat-insulation layer 8, SBC120 polyethylene coiled material between waterproof roll bottom and outdoor bank protection basis 2 and forbid overlap joint at external corner circular arc place, roll side lap width >=150, lap-joint pastes plain, should without crumpling, warpage, play empty phenomenon。
When pasting basis heat-insulation layer 8, in advance according to junction circular shape, the basic heat-insulation layer 8 side special grinding machine of all pre-stickups is polished into arc-shaped, to be pasted；
The outer bank protection basis 2 of cleaning chamber, reserves operation side, substrate element soil ramming compacting within the scope of wall outer side 1200mm；
Basis heat-insulation layer 8 is pasted after polymer cement mortar under waterproof roll solidifies; when pasting basis heat-insulation layer 8; stay in junction and set 15 wide horizontal joints; interior filler/polyethylene foamed plastic rod; paste complete until basis, junction heat-insulation layer 8 and smear finish coat mortar, paving pressure has been after glass fiber net constructed; peripheral cement mortar adds block 60mm width one brick wall body and does protective layer, at brick wall top and sticking plaster cross-stitch place cut oil Colophonium filleting 9, carries out outdoor slope protection construction after completing。
All outdoor bank protection places waterproof coiled material construction, avoids movement joint position: namely paving is to movement joint edge 20～50, and movement joint way does not affect the construction of this place。
After basis and main body protection against the tide have blocked, do outdoor bank protection and the construction of other operations according to designing requirement, notice that protection bottom EPS sheet is not damaged and clashes into。
The construction of external wall outer insulation dope layer is complete, and metope suction hole 7, the polyurethane foams foaming of steam vent 6 periphery are closed, and suction hole 7, steam vent 6, after a Heating Period, are removed by engineering, recover metope with identical material。
In above-described embodiment, before step A, should first carry out following preparation:
1, the stage is built by laying bricks or stones in main body, base course wall is strictly constructed by the requirement of " concrete structure engineering construction quality accident specification " (GB50204-2002) versions in 2011 and " masonry structure engineering construction quality acceptance specification " (GB50203-2011), ensure the flatness of outer plinth course, perpendicularity compliant requirement, before heat preservation construction and carry out the confirmation of structure acceptance together with relevant department。External wall plastering bottoming is with 13 cement mortar screedings (20), and screed-coat bottom should to connect raft good with basis facade damp-proof layer 4, without fracture, position, interval。
2, troop of organizing construction carries out confiding a technological secret and training, and carries out safety education。
3, the use of material, cutting and installation are designated a special person to take charge, and operation equipment and facility meet the requirements。
4, during construction, temperature should be higher than that 5 DEG C, and wind-force is not more than 5 grades, and the rainy day must not construct, and takes safeguard procedures。
Claims (1)
1. a prevention external thermal insulation coating ornamental surface cracking construction technology, comprises the following steps:
Control line bottom A, bullet
On outdoor bank protection basis with body of wall junction along building surrounding bullet horizontal control lines, this line is the datum line of moisture proof coiled material construction；
B, polyphenyl plate heat preserving layer are constructed
Heat-insulation layer sequence of construction is: plays door and window, orthogonal control lines → extensions datum line, viscous turn over bag grid cloth → viscous styrofoam → installations anchoring piece → smear mortar, spread and press grid cloth；
It is characterized in that: in stepb, also include following technique；
C, indwelling airway, installation are inhaled and steam vent
Under two layers of window of building, the airway of wide 20 levels of 300 indwellings, installs suction hole at airway near window place；
The airway of wide 20 levels on top-level windows top also indwelling, sets steam vent with the vertical correspondence position of suction hole on this airway；
The outside of airway EPS sheet wedge shape lath seals；
D, outdoor bank protection basis are pasted damp-proof layer with body of wall junction and are done damp-proof treatment；
Described suction hole, steam vent are arranged on the southern side external thermal insulation wall surface of building；
In step C, first under two layers of window of building, 300 places play horizontal control lines in advance, treat that EPS sheet sticking construction is to herein, the horizontal joint of upper and lower two boards joint reserved 20, and building integral level is sewn on control line place and circle place can be handed over as far as possible to hand over circle；
Then cutting 40 thick 20 wide EPS sheet wedge shape laths with wire cutting machine, stave lengths is isometric with EPS sheet level；
With rubber hammer and thin bamboo slab rubber bar wedge shape lath gently being beaten along horizontal joint and fill in, make horizontal joint be internally formed airway, panel surface keeps consistent with periphery EPS sheet flatness；
In step C, level interval 10m between suction hole hole, suction hole adopts diameter Ф 70 and Ф 75PVC pipe assembled, and the embedding end of suction hole is laciniation；
In step D, first at outdoor bank protection base bits horizontal control lines place, wall insulating layer and body of wall side are cleared up, then smears into arc-shaped at junction anti-cracking plastering mortar, ensure that thickness is wiped one's face uniformly in wall insulating layer and body of wall side, after just doing, carry out installation of membrane；
The SBC120 polyethylene waterproof roll segmentation of well cutting is fixed, segmentation paste, under turn over 300～500；
During operation: first with scraper plate by uniform for the polymer cement blade coating body of wall side surface at coiled material He its correspondence, then coiled material is pasted with body of wall side, and with scraper plate at web exterior surface compacting, eliminating bonding plane air and unnecessary bonding agent；
Basis heat-insulation layer is pasted between waterproof roll bottom and outdoor bank protection basis；
SBC120 polyethylene coiled material forbids overlap joint at external corner circular arc place, roll side lap width >=150, and lap-joint pastes plain, should without crumpling, warpage, play empty phenomenon；
When pasting basis heat-insulation layer, in advance according to junction circular shape, the basic heat-insulation layer side special grinding machine of all pre-stickups is polished into arc-shaped, to be pasted；
The outer bank protection basis of cleaning chamber, reserves operation side, substrate element soil ramming compacting within the scope of wall outer side 1200mm；
Basis heat-insulation layer is pasted after polymer cement mortar under waterproof roll solidifies; when pasting basis heat-insulation layer; stay in junction and set 15 wide horizontal joints; interior filler/polyethylene foamed plastic rod; paste complete until basis, junction heat-insulation layer and smear finish coat mortar, paving pressure has been after glass fiber net constructed; peripheral cement mortar adds block 60mm width one brick wall body and does protective layer, at brick wall top and sticking plaster cross-stitch place cut oil Colophonium filleting, carries out apron slope construction after completing；
The construction of external wall outer insulation dope layer is complete, and metope suction hole, the polyurethane foams foaming of steam vent periphery are closed, and suction hole, steam vent, after a Heating Period, are removed by engineering, recover metope with identical material。
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| CN201310601240.2A CN103603469B (en) | 2013-11-25 | 2013-11-25 | A kind of prevention external thermal insulation coating ornamental surface cracking construction technology |
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| CN201310601240.2A CN103603469B (en) | 2013-11-25 | 2013-11-25 | A kind of prevention external thermal insulation coating ornamental surface cracking construction technology |
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| CN103603469B true CN103603469B (en) | 2016-06-22 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100797524B1 (en) * | 2007-11-12 | 2008-01-24 | (주)전인건축사사무소 | Prefabricated structure of outer insulation panel |
| CN101158213A (en) * | 2007-11-09 | 2008-04-09 | 余景春 | Direct-compress EPS inorganic clad plate and exterior outer-insulating system and construction method thereof |
| CN101333858A (en) * | 2007-06-28 | 2008-12-31 | 王强强 | Polyphenyl plate exterior wall outer heat insulation technological process |
| KR100935095B1 (en) * | 2009-07-14 | 2010-01-06 | 김동균 | The outer wall insulation materials and the structure |
| CN101638917A (en) * | 2008-07-30 | 2010-02-03 | 武汉公济墙体节能材料有限公司 | Novel heat insulation and preservation building structure and construction technology thereof |
| CN201850673U (en) * | 2010-11-05 | 2011-06-01 | 帅颂宪 | No-fines concrete sandwich wall structure |
| CN102345352A (en) * | 2010-07-29 | 2012-02-08 | 齐齐哈尔龙铁建筑安装股份有限公司 | Multilayer structure of building outer wall in severe cold region and construction method of multilayer structure |
-
2013
- 2013-11-25 CN CN201310601240.2A patent/CN103603469B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101333858A (en) * | 2007-06-28 | 2008-12-31 | 王强强 | Polyphenyl plate exterior wall outer heat insulation technological process |
| CN101158213A (en) * | 2007-11-09 | 2008-04-09 | 余景春 | Direct-compress EPS inorganic clad plate and exterior outer-insulating system and construction method thereof |
| KR100797524B1 (en) * | 2007-11-12 | 2008-01-24 | (주)전인건축사사무소 | Prefabricated structure of outer insulation panel |
| CN101638917A (en) * | 2008-07-30 | 2010-02-03 | 武汉公济墙体节能材料有限公司 | Novel heat insulation and preservation building structure and construction technology thereof |
| KR100935095B1 (en) * | 2009-07-14 | 2010-01-06 | 김동균 | The outer wall insulation materials and the structure |
| CN102345352A (en) * | 2010-07-29 | 2012-02-08 | 齐齐哈尔龙铁建筑安装股份有限公司 | Multilayer structure of building outer wall in severe cold region and construction method of multilayer structure |
| CN201850673U (en) * | 2010-11-05 | 2011-06-01 | 帅颂宪 | No-fines concrete sandwich wall structure |
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