CN1594773A - Novel thermal insulation and heat preservation building structure and construction technique - Google Patents

Novel thermal insulation and heat preservation building structure and construction technique Download PDF

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Publication number
CN1594773A
CN1594773A CN 200410013477 CN200410013477A CN1594773A CN 1594773 A CN1594773 A CN 1594773A CN 200410013477 CN200410013477 CN 200410013477 CN 200410013477 A CN200410013477 A CN 200410013477A CN 1594773 A CN1594773 A CN 1594773A
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heat
water
insulation
thermal insulation
heat preservation
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CN 200410013477
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CN1274925C (en
Inventor
马保国
张志峰
周强
蹇守卫
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WUHAN AOJIE TECHNOLOGIES Inc
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张志峰
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Abstract

The present invention provides a novel thermal insulation and heat preservation structure and construction technique, the structure has wall body, a thermal insulation and heat preservation layer, a crack-resistant layer, a decorative layer. The construction technique has steps of subbase process, coating thermal insulation and heat preservation plasm, coating polymer concrete crack-resistant substrate, clinging mesh cloth, coating novel water-proof conserving liquid, decorative face processing, the subbase process method comprises steps of dabbing, watering, smoothing with normal concrete sand plasm or dabbing with polymer concrete sand plasm, the thermal insulation and heat preservation is molded with polystyrene particles and mineral having gelling property; the crack-resistant layer is that pressing alkali-proof fiberglass mesh cloth on the fiber polymer concrete plasm, then coating inleakage type elastic water-proof conserving liquid; the decorative layer is formed with flexible, water-proof lacquer putty and color dope. The structure has improved thermal insulation and heat preservation ability, wearing ability, and operation efficiency.

Description

Novel heat insulation and preservation building structure and construction technology
One, technical field
The present invention relates to a kind of heat insulation and preservation building structure and construction technology, be mainly used in architectural exterior-protecting construction wall body outer wall outer heat insulation.
Two, background technology
At present, China's building energy consumption has accounted for 27% of national total energy consumption, and, along with constant development of economy, improving constantly of living standards of the people, the proportion of building energy consumption will further increase, and the building energy consumption of present American-European developed country has reached 40% of whole society's total energy consumption.Therefore, save building energy consumption, promotion and implementation building energy conservation work meaning is great, and is imperative.The thermal isolation technique of body of wall, existing both at home and abroad a large amount of research, and lot of documents is arranged:
Major technique content in these documents is:
1, heat-insulation and heat-preservation material body of wall mainly is made up of cementing agent, insulating, crack-resistant layer and skin coat;
2, the used heat-insulation and heat-preservation material of insulating is used granules of polystyrene, rock wool and heat-insulation and heat-preservation mortar more
Form;
3, crack-resistant layer is made up of anticracking grout and reinforcement material.
The construction technology of original heat-insulation and heat-preservation material system is in the construction and use of reality, mostly grid cloth is placed the centre position of anticracking grout, construction technology complexity not only, the time-consuming material that takes, and because the surface temperature of material changes the most violent, surface stress is big, is easy to form early stage temperature cracking; And in some engineering, concentrate the crack that produces for reducing because of the stress of surface layer, also the heat-insulation and heat-preservation material is cut.Waterproof, hydrophobic processing are not carried out in the surface during meanwhile owing to construction, cause heat insulation and preservation effect to descend easily, cracking resistance, the water resistance of body of wall are relatively poor simultaneously, efficiency of construction is low, and the material consumption is big, can not satisfy the enforcement of current building energy conservation fundamental state policy, be unfavorable for popularizing in an all-round way and use.
Three, summary of the invention
Technical problem to be solved by this invention provides a kind of water-proofing anticracking, shock-resistant, anti abrasive novel heat insulation and preservation building structure and construction technology.Apply materials compensation of the present invention, stress dispersion principle and special construction technology make this body of wall have water-proofing anticracking, good, little, the high efficient construction of material consumption of heat preservation and insulation.
The present invention adopts following technical proposal to realize: a kind of novel heat insulation and preservation building structure, comprise body of wall, insulating, crack-resistant layer, finish coat, insulating is a kind of Multifunction thermal insulation plaster, its component and content (weight) are: granules of polystyrene B1 part, composite dry powder material A8-13 part, water 6~15%; Wherein the component of composite dry powder material A and content (weight) are: cement 50~80%, sial hollow glass spheroid material 10~40%, fiber 0.1~5%, air entraining agent 0.005~0.05%, modifier 1~5%, water reducing agent 0.2~1.2%, tackifier 0.5~2%; Crack-resistant layer is a kind of fiber-reinforced polymer modification anticracking grout, infitration type elastic water-proof curing fluid capable is smeared on the top layer, the waterproof curing fluid capable is a kind of organic elastomer coating of oleic series, covered alkali resistant glass fibre open weave cloth on the shallow top layer of anticracking grout, then infitration type elastic water-proof curing fluid capable has been arranged at external coating; Finish coat is formed by putty with flexibility, water-fast function and color coating.A kind of construction technology of novel heat insulation and preservation building structure, construction technology is as follows: base treatment → smear Multifunction heat-insulation and heat-preservation mortar → smear polymer modification anticracking grout → cover on the shallow top layer of anticracking grout alkali resistant glass fibre open weave cloth → handle at surface brush infitration type elastic water-proof curing fluid capable → facing.
1, base treatment
Processing to basic unit is to prevent that insulating from producing one of requisite measure of " empty, drum " phenomenon.Base treatment technology is generally Surface Physical and handles and chemical treatment, the situation of apparent surface, physical treatment is partly carried out in loosening, the weathering of reply surface of wall, can use the ordinary mortar levelling to the out-of-flatness metope, bright and clean part then should be cut a hole hair and be handled or handle with the polymer cement mortar plucking.
2, insulating construction
The thickness of heat-insulation and heat-preservation mortar layer determines according to designing requirement that according to the coefficient of thermal conductivity and the coefficient of heat accumulation of body of wall the thickness of heat-insulation and heat-preservation mortar adopts 1 moulding and levelling below 4cm, adopts 2 times or repeatedly moulding more than 4cm.
3, crack-resistant layer construction
After the heat-insulation and heat-preservation mortar drying (an about week), on the basis of heat-insulation and heat-preservation mortar, smear anti-crack polymer cement mortar, when having smeared anticracking grout, should cover grid cloth immediately, this grid cloth should be able to be resisted certain ess-strain and alkali resistant corrosive power, be advisable like Lu Feilu with color that cannot see glass fiber reticular cloth on the shallow top layer of anticracking grout in the position of grid cloth.
Should carry out the waterproof on surface after anticracking grout solidifies thereupon and strengthen handling, promptly smear infitration type curing fluid capable with high resiliency index and water-proof function on the anticracking grout surface.Experiment showed, that the anticracking grout surface is carried out waterproof and strengthened processing is the important measures that guarantee the unlikely cracking of mortar, adopt the elastic water-proof curing fluid capable of infitration type, can avoid outside moisture to enter insulating on the one hand, influence heat insulation and preservation effect; On the other hand, can guarantee that again the moisture in the anticracking grout is not easy to distribute, play the effect that guarantees curing condition; This curing fluid capable infiltration screed can form new crack-resistant layer simultaneously, has prevented the cracking of screed effectively.
Beneficial effect of the present invention:
1, the realization mechanism of heat preservation and insulation
Material:
Adopt granules of polystyrene: because the heat preservation and insulation of polystyrene is good, its coefficient of thermal conductivity is less: λ g=0.041w/ (mk).In this heat-insulation and heat-preservation material, dose the granules of polystyrene of some rational gradation compositions, reached the double effects that improves heat preservation and insulation and utilize solid waste.
Technology:
Adopt the closed pore foaming technique: in order to eliminate the heat convection of gas in the hole, adopt miniature pore can reduce radiation heat transfer between the hole wall, thereby further improve the heat preservation and insulation of solid-state material.
Make the uniform miniature closed pore bubble that contains some in the heat-insulation and heat-preservation material: because still air is fabulous heat-insulation and heat-preservation material, coefficient of thermal conductivity λ g=0.026w/ (mk) in the time of static 0 ℃, coefficient of thermal conductivity than existing various heat-insulation and heat-preservation materials is all little, so still air is best heat-insulation and heat-preservation material.Make the uniform miniature closed pore bubble that contains some in the heat-insulation and heat-preservation material, in solid-state heat-insulation and heat-preservation material, dosed best heat-insulation and heat-preservation material-still air in fact exactly, can improve the heat preservation and insulation of solid material greatly.
2, the realization of the anti-cracking function of crack-resistant layer
Material:
Introduce expansion agent: for reaching early stage zero purpose of shrinking of anticracking grout, according to the materialogy principle, this system is utilized " ettringite bulge theory ", in raw material, introduce expansion agent, owing to after aquation, generate dilatancy crystal (ettringite and calcium hydroxide), increased the crystalline content in the mortar, fill or stopped up the pore seam, porosity descends greatly, produce volume expansion, produce compressive stress and compressive strain in the body, compensated all kinds of shrinkage strains, offset or partial offset corresponding tensile stress, thereby improved whole crack resistance.
Technology:
Paste grid cloth on the shallow top layer of anticracking grout: paste the stress that grid cloth can make mortar and disperse, why be on the shallow top layer of anticracking grout because the temperature on top layer, humidity change violent, easier formation cracking.
Smear infitration type elastic water-proof curing fluid capable: on anticracking grout, smear infitration type elastic water-proof curing fluid capable, can avoid outside moisture to enter insulating on the one hand, influence heat insulation and preservation effect; On the other hand, can guarantee that again the moisture in the anticracking grout is not easy to distribute, play the effect that guarantees curing condition; This organic matter infiltration screed can form new crack-resistant layer simultaneously, has effectively prevented the cracking of screed.
In whole construction course, selected for use material to have good heat preservation and insulation to guarantee walling system with waterproof and hydrophobicity performance, meanwhile, by determining good process system, " empty, drum, the split " problem that has solved not only that heat insulating wall material often occurs, and through freeze thawing circulation, shock-resistant, wear-resistant, Wind-Pressure Resistance, water absorption rate experiment confirm, use this system process to construct, body of wall can satisfy the requirement of building energy conservation.Economically,, can improve efficiency of construction more than 40%, save material cost simultaneously owing to reduced work progress.
Four, description of drawings
Fig. 1 is a structural representation of the present invention.
Among the figure: finish coat 1, elastic water-proof curing fluid capable 2, grid cloth 3, anticracking grout 4, heat-insulation and heat-preservation mortar 5, matrix 6.
Five, the specific embodiment:
Embodiment 1: a kind of novel heat insulation and preservation building structure, comprise body of wall, insulating, crack-resistant layer, finish coat, insulating is a kind of Multifunction thermal insulation plaster, and its component and content (weight) are: granules of polystyrene B1 part, composite dry powder material A8 part, 6 parts in water; Wherein the component of composite dry powder material A and content (weight) are: cement 61%, sial hollow glass spheroid material 20%, fiber 1.47%, air entraining agent 0.03%, modifier 5%, water reducing agent 1.5%, tackifier 1.9%; Crack-resistant layer is a kind of polymer modification anticracking grout, infitration type elastic water-proof curing fluid capable is smeared on the top layer, the waterproof curing fluid capable is a kind of acrylic acid organic elastomer coating, has covered alkali resistant glass fibre open weave cloth on the shallow top layer of anticracking grout, then at external coating infitration type elastic water-proof curing fluid capable is arranged; Finish coat is formed by putty with flexibility, water-fast function and color coating.A kind of construction technology of novel heat insulation and preservation building structure, construction technology is as follows: base treatment → smear Multifunction heat-insulation and heat-preservation mortar → smear polymer modification anticracking grout → cover on the shallow top layer of anticracking grout alkali resistant glass fibre open weave cloth → handle at surface brush infitration type elastic water-proof curing fluid capable → facing.
Embodiment 2: a kind of novel heat insulation and preservation building structure, comprise body of wall, insulating, crack-resistant layer, finish coat, insulating is a kind of Multifunction thermal insulation plaster, and its component and content (weight) are: granules of polystyrene B1 part, composite dry powder material A13 part, 15 parts in water; Wherein the component of composite dry powder material A and content (weight) are: cement 69%, sial hollow glass spheroid material 23.15%, fiber 5%, air entraining agent 0.05%, modifier 1%, water reducing agent 0.2%, tackifier 0.7%; Crack-resistant layer is a kind of fiber-reinforced polymer modification anticracking grout, infitration type elastic water-proof curing fluid capable is smeared on the top layer, the waterproof curing fluid capable is a kind of acrylic acid organic elastomer coating, has covered alkali resistant glass fibre open weave cloth on the shallow top layer of anticracking grout, then at external coating infitration type elastic water-proof curing fluid capable is arranged; Finish coat is formed by putty with flexibility, water-fast function and color coating.A kind of construction technology of novel heat insulation and preservation building structure, construction technology is as follows: base treatment → smear Multifunction heat-insulation and heat-preservation mortar → smear polymer modification anticracking grout → cover on the shallow top layer of anticracking grout alkali resistant glass fibre open weave cloth → handle at surface brush infitration type elastic water-proof curing fluid capable → facing.
Embodiment 3: a kind of novel heat insulation and preservation building structure, comprise body of wall, insulating, crack-resistant layer, finish coat, insulating is a kind of Multifunction thermal insulation plaster, and its component and content (weight) are: granules of polystyrene B1 part, composite dry powder material A9 part, 10 parts in water; Wherein the component of composite dry powder material A and content (weight) are: cement 65%, sial hollow glass spheroid material 26.69%, fiber 3%, air entraining agent 0.01%, modifier 3%, water reducing agent 0.9%, tackifier 1.4%; Crack-resistant layer is a kind of fiber-reinforced polymer modification anticracking grout, infitration type elastic water-proof curing fluid capable is smeared on the top layer, the waterproof curing fluid capable is a kind of acrylic acid organic elastomer coating, the component of fiber-reinforced polymer modification anticracking grout and content (weight) are: 1 part of cracking resistance rubber powder, 2.3 parts of cement, 11 parts in sand, 2.5 parts in water; Wherein: the component of cracking resistance rubber powder and content (weight) are: inorganic mineral powder 25%, alkali proof fiber 3%, volume stabilizer 32%, polymer modifiers 40%, covered alkali resistant glass fibre open weave cloth on the shallow top layer of anticracking grout, then infitration type elastic water-proof curing fluid capable has been arranged at external coating; Finish coat is formed by putty with flexibility, water-fast function and color coating.A kind of construction technology of novel heat insulation and preservation building structure, construction technology is as follows: base treatment → smear Multifunction heat-insulation and heat-preservation mortar → smear polymer modification anticracking grout → cover on the shallow top layer of anticracking grout alkali resistant glass fibre open weave cloth → handle at surface brush infitration type elastic water-proof curing fluid capable → facing.

Claims (2)

1, a kind of novel heat insulation and preservation building structure, comprise body of wall, insulating, crack-resistant layer, finish coat, it is characterized in that: insulating is a kind of Multifunction thermal insulation plaster, its component and content (weight) are: 1 part of granules of polystyrene, composite dry powder material 8-13 part, 6~15 parts in water; Wherein the component of composite dry powder material and content (weight) are: cement 50~80%, sial hollow glass spheroid material 10~40%, fiber 0.1~5%, air entraining agent 0.005~0.05%, modifier 1~5%, water reducing agent 0.2~1.2%, tackifier 0.5~2%; Crack-resistant layer is to have covered alkali resistant glass fibre open weave cloth on the shallow top layer of anticracking grout, then at external coating infitration type elastic water-proof curing fluid capable is arranged; Finish coat is formed by putty with flexibility, water-fast function and color coating.
2, a kind of construction technology of novel heat insulation and preservation building structure, it is characterized in that: construction technology is as follows: base treatment → smear Multifunction heat-insulation and heat-preservation mortar → smear polymer modification anticracking grout and levelling → cover on the shallow top layer of anticracking grout alkali resistant glass fibre open weave cloth → handle at surface brush infitration type elastic water-proof curing fluid capable → facing.
CN 200410013477 2004-07-16 2004-07-16 Novel thermal insulation and heat preservation building structure and construction technique Expired - Fee Related CN1274925C (en)

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100400759C (en) * 2006-01-25 2008-07-09 北京中远汇丽精细化工有限公司 Thermal insulation covering for external wall
CN103437553A (en) * 2013-08-09 2013-12-11 青岛科瑞新型环保材料有限公司 Construction process of super thin vacuum insulated panel internal wall heat-preservation thin plaster wall body
CN103898994A (en) * 2012-12-24 2014-07-02 上海建工五建集团有限公司 Waterproof structure and manufacturing method of formwork clamping brick outer wall
CN104612261A (en) * 2014-12-08 2015-05-13 永升建设集团有限公司 Method for external insulation construction of polystyrene board thin plastered surface in cold and windy area
CN106401096A (en) * 2016-08-31 2017-02-15 安徽成睿光伏科技有限公司 Construction method of heat insulation material of external solar photovoltaic heat insulation wall
CN106400987A (en) * 2016-08-31 2017-02-15 安徽成睿光伏科技有限公司 Construction method of heat insulation material of external solar photovoltaic heat insulation wall
CN108331202A (en) * 2018-04-27 2018-07-27 上海恪耐新材料科技有限公司 A kind of gypsum lightweight mortar layer exterior wall combined wall and its application
CN108396885A (en) * 2018-04-27 2018-08-14 上海恪耐新材料科技有限公司 A kind of gypsum mortar composite insulation boards outer wall body and its application
CN108532790A (en) * 2018-04-27 2018-09-14 上海恪耐新材料科技有限公司 A kind of gypsum insulation screed exterior wall combined wall and its application
CN108691373A (en) * 2018-04-27 2018-10-23 上海恪耐新材料科技有限公司 A kind of gypsum lightweight mortar interior wall combined wall construction and its application
CN110374226A (en) * 2019-07-19 2019-10-25 深圳市金鑫华建筑工程有限公司 A kind of environment-friendly waterproof exterior walls of buildings
CN110409633A (en) * 2019-07-19 2019-11-05 深圳市金鑫华建筑工程有限公司 A kind of construction method of environment-friendly waterproof exterior walls of buildings
CN113073800A (en) * 2021-03-23 2021-07-06 江苏苏邑设计集团有限公司 Waterproof anti-crack outer wall insulation structure of building

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100400759C (en) * 2006-01-25 2008-07-09 北京中远汇丽精细化工有限公司 Thermal insulation covering for external wall
CN103898994A (en) * 2012-12-24 2014-07-02 上海建工五建集团有限公司 Waterproof structure and manufacturing method of formwork clamping brick outer wall
CN103898994B (en) * 2012-12-24 2016-09-14 上海建工五建集团有限公司 Waterproof construction of mould card building block exterior wall and preparation method thereof
CN103437553A (en) * 2013-08-09 2013-12-11 青岛科瑞新型环保材料有限公司 Construction process of super thin vacuum insulated panel internal wall heat-preservation thin plaster wall body
CN103437553B (en) * 2013-08-09 2016-01-27 青岛科瑞新型环保材料有限公司 A kind of construction technology of ultra-thin vacuum heat-insulating plate heat insulating inner wall thin-coat plaster body of wall
CN104612261A (en) * 2014-12-08 2015-05-13 永升建设集团有限公司 Method for external insulation construction of polystyrene board thin plastered surface in cold and windy area
CN106401096A (en) * 2016-08-31 2017-02-15 安徽成睿光伏科技有限公司 Construction method of heat insulation material of external solar photovoltaic heat insulation wall
CN106400987A (en) * 2016-08-31 2017-02-15 安徽成睿光伏科技有限公司 Construction method of heat insulation material of external solar photovoltaic heat insulation wall
CN108331202A (en) * 2018-04-27 2018-07-27 上海恪耐新材料科技有限公司 A kind of gypsum lightweight mortar layer exterior wall combined wall and its application
CN108396885A (en) * 2018-04-27 2018-08-14 上海恪耐新材料科技有限公司 A kind of gypsum mortar composite insulation boards outer wall body and its application
CN108532790A (en) * 2018-04-27 2018-09-14 上海恪耐新材料科技有限公司 A kind of gypsum insulation screed exterior wall combined wall and its application
CN108691373A (en) * 2018-04-27 2018-10-23 上海恪耐新材料科技有限公司 A kind of gypsum lightweight mortar interior wall combined wall construction and its application
CN110374226A (en) * 2019-07-19 2019-10-25 深圳市金鑫华建筑工程有限公司 A kind of environment-friendly waterproof exterior walls of buildings
CN110409633A (en) * 2019-07-19 2019-11-05 深圳市金鑫华建筑工程有限公司 A kind of construction method of environment-friendly waterproof exterior walls of buildings
CN113073800A (en) * 2021-03-23 2021-07-06 江苏苏邑设计集团有限公司 Waterproof anti-crack outer wall insulation structure of building

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