CN101575878A - Outer-wall external thermal insulation expansion joint structure - Google Patents
Outer-wall external thermal insulation expansion joint structure Download PDFInfo
- Publication number
- CN101575878A CN101575878A CNA200910065143XA CN200910065143A CN101575878A CN 101575878 A CN101575878 A CN 101575878A CN A200910065143X A CNA200910065143X A CN A200910065143XA CN 200910065143 A CN200910065143 A CN 200910065143A CN 101575878 A CN101575878 A CN 101575878A
- Authority
- CN
- China
- Prior art keywords
- wall
- insulating material
- expansion joint
- heat insulating
- thermal insulation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Building Environments (AREA)
Abstract
The invention discloses an outer-wall external thermal insulation expansion joint structure, comprising a wall body, a closed air blanket and a sealing device. The sealing device comprises a heat insulating material, a connecting piece, a binding material and a metallic cover plate. The heat insulating material is bound on the top surface of the wall body through the binding material and covered with the metallic cover plate thereon. The metallic cover plate is fixed on the top surface of the wall body through the connecting piece. The closed air blanket is formed between two wall bodies. Toward the expansion joint, the heat insulating material has a sinking. The connecting piece can be a connecting piece without a heat bridge. Toward the outside of the expansion joint, the metallic cover plate has a heave. The invention overcomes the defects of the existing expansion joint heat insulation structure that the reliability is poor, an insulating layer is apt to fall off and be damaged, the safety is poor, the durability is low, and the like. The expansion joint structure is simple in construction, wide in application range, good effects of proofing water and leakage and preserving heat, and not only is energy-saving, environment-friendly, but also is high in durability and cost performance.
Description
Technical field:
The invention belongs to the energy-saving building technology field, be specifically related to a kind of outer-wall external thermal insulation expansion joint structure.
Background technology:
" building energy conservation " has a high potential, the task sternness, the Ministry of Construction implements engineering to existing Residential Buildings Energy transformation as important special project in Eleventh Five-Year Plan, and point out that northern area will be in conjunction with the heat supply system reform, according to different architectural constructions and service condition, exploitation is to the research of the multiple technologies of outer maintenance system reducing energy consumptions such as body of wall.China's building energy consumption accounted for 27.6% of national total energy consumption in 2007, in the residential floor area of more than 400 hundred million square metres in China, high energy consumption building accounts for 95% of overall floorage, and unit building area heating energy consumption is equivalent to about 3 times of developed country under the homoclime condition.Along with the improvement of quickening of urbanization process and people's living standard, China's architectural energy consumption ratio finally also will rise to about 35%, and building energy consumption will surmount the first place that other industries such as industry, traffic, agricultural become energy consumption.
Current, China's building energy conservation level lags far behind developed country.The hot merit of domestic most heating area space enclosing structure can all close than weather developed country differ from many, as shown in table 1.The thermal transmittance of exterior wall is their 3.5 to 4.5 times.Now, actual year heating energy consumption of European countries' dwelling house generally reaches every square metre of 8.57 kilograms of standard coals, and in China, reaches energy-conservation 50% building, and its heating power consumption also will reach 12.5 kilograms for every square metre, is about 1.5 times of European countries.Therefore, compare with the situation that current developed country building energy consumption has reduced greatly, China unit's building area heating energy consumption is more than 3 times of developed country's standard, exists bigger gap with developed country.
The domestic and international building energy consumption contrast of table 1 cold district
Building energy conservation is the important technology field that building circle, the current whole world faces jointly, also is effective evolutionary path of alleviating the global energy shortage and improving environmental quality.Data shows: the exterior wall energy consumption accounts for 1/3 of building energy consumption.Because the demand of energy conservation with the protection environment improved constantly, and the heat preservation technology of architectural exterior-protecting construction is used widely, wherein, with the fastest developing speed with external wall outer insulation again.External wall heat insulation system is because of the protection exterior wall; reasons such as easy construction become the main flow of building energy conservation; but all there is certain defective in external wall heat insulation system on structure way and construction technology at present, and processing method is unsatisfactory, and therefore the improvement to external wall heat insulation system has been extremely urgent.The present invention be directed to zone, external wall heat insulation system shrinkage joint and construct processing.
Some positions in the architectural exterior-protecting construction under the effect of indoor/outdoor temperature-difference, form the zone that hot-fluid is intensive relatively, internal surface temperature is lower, and at these the local two dimension and three-dimensional temperature fields that can form complexity, these positions are called heat bridge.Heat bridge can increase the body of wall localized heat transfer, thereby consumes more building energy consumptions.The external wall heat insulation system shrinkage joint is that heat bridge easily forms the zone.
Learn according to corresponding national regulation: the wide 70mm that generally is not less than in shrinkage joint.When energy-efficient treatment was carried out in the zone, shrinkage joint, it was too narrow to be limited to the shrinkage joint, and construction space is narrow and small, has increased difficulty of construction, not easy to operate.
The way of current shrinkage joint thermal insulation structure does not take into full account distortion that the both sides body of wall produces to its influence that causes under the effect of operating modes such as thermal stresses, wind load and geological process.Present way mostly is a filling polyethylene foamed pole (bar) in the shrinkage joint, have only construction sealant to connect between polyethylene foamed pole (bar) and the body of wall, the circulation that the process weather colds and heat succeed each other, each component material in the structure way produces dilatation, because its linear expansion coeffcient difference, be out of shape inconsistent, the polyethylene foamed pole (bar) of filling in the shrinkage joint is easy to be squeezed bad, and then at basic unit's body of wall contact area the space appears, cause air and outside air UNICOM in the shrinkage joint, quicken the thermal convection current of air.Simultaneously, rainwater can leak out to metope producing the place, slit, produce go mouldy, heat bridge phenomenon such as dewfall, thereby reduced the durability and the effect of heat insulation system.
Summary of the invention:
For overcoming the deficiencies in the prior art, the invention provides a kind of is energy-conserving and environment-protective, the outer-wall external thermal insulation expansion joint structure that has increased durability and cost performance again, poor reliability, the insulation layer that it has overcome existing shrinkage joint thermal insulation structure easily comes off, is vulnerable to shortcoming such as destruction, poor stability, durability is low, its construction is simple, applied range, waterproof, leakproof, high insulating effect.
For solving the problems of the technologies described above, technical scheme of the present invention is:
A kind of outer-wall external thermal insulation expansion joint structure, comprise body of wall 1, occluded air interlayer 5 and sealing device, wherein: described sealing device comprises heat insulating material 3, connector 4, binding material 2 and metal cover board 6, heat insulating material 3 is bonded in the end face of body of wall 1 by binding material 2, be coated with metal cover board 6 on the heat insulating material 3, metal cover board 6 is fixed on the end face of body of wall 1 by connector 4, forms occluded air interlayer 5 between two sides body of wall 1.
Further, described heat insulating material 3 has depression in the shrinkage joint.
Further, can to adopt tensile strength be 6 to described heat insulating material 3
b〉=0.3MPa, coefficient of thermal conductivity are the heat insulating material of λ≤0.035w/ (mK).
Further, described connector 4 can adopt no heat bridge connector.
Further, described metal cover board 6 can adopt the galvanized metal plate.
Further, described metal cover board 6 has projection outside the shrinkage joint.
Beneficial effect of the present invention is:
(1) the present invention is applied widely: be applicable to industry and civilian construction that heating and refrigeration require, both can be used for new construction, can be used for old housing reform again and make, the scope of application is wider.
(2) the present invention has waterproof, antiseepage function preferably by the improvement of construction measure, and zone, protection shrinkage joint body of wall improves its durability, and then prolongs the application life of external wall outer insulation.
(3) the present invention has overcome the weak point of present stage outer-wall external thermal insulation expansion joint structure.The body of wall 1 of both sides, shrinkage joint can produce certain deformation under effects such as earthquake, wind load, temperature, the outer-wall external thermal insulation expansion joint structure of present stage does not consider that the distortion that body of wall 1 produces produces extruding force or tensile force to heat insulating material 3.Therefore heat insulating material 3 can produce and destroy, thereby influences heat insulation effect.The present invention utilizes heat insulating material 3 that the characteristics of depression are arranged in the shrinkage joint, and for the distortion of body of wall 1 provides reserve capabillity, when both sides, shrinkage joint body of wall 1 produced lateral displacement, heat insulating material 3 can not push or stretch.Calculate according to the existing standard of country, when body of wall produces maximum distortion,, can guarantee that then heat insulating material inside do not bear pulling force if heat insulating material still is in non-" one " word state.At the shrinkage joint width hour, heat insulating material does not bear pressure, can not produce heat insulating material and destroy.
(4) metal cover board 6 of the present invention has the characteristics of projection outside the shrinkage joint, helps freely stretching of heat insulating material 3, can make heat insulating material 3 performance maximum effect when structure is flexible, also protects heat insulating material 3 not to be subjected to external action simultaneously, prolongs its application life.Metal cover board 6 of the present invention is fixed on the end face of body of wall 1 by connector 4, and connector 4 can adopt no heat bridge to connect.
(5) the present invention adopts tensile strength bigger, and the heat insulating material 3 that coefficient of thermal conductivity is lower more can play better heat insulating effect than existing heat insulating material in the zone, shrinkage joint.
Description of drawings:
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is another structural representation of the present invention;
The specific embodiment:
The present invention is described in further detail below in conjunction with embodiment and accompanying drawing.
Embodiment one
As shown in Figure 1, heat insulating material 3 adopts alumina silicate fiber felt in the present embodiment, and heat insulating material 3 caves in the shrinkage joint, and its cross sectional shape is " U " type, and metal cover board 6 adopts the galvanized metal plate, and it has projection outside the shrinkage joint, and its cross sectional shape is
Type, connector 4 adopts no heat bridge connector, adopts the method that adds plastic bushing at the expansion nailing in the present embodiment, and concrete steps are:
One, base treatment
A, shrinkage joint zone wall end face (at parapet) and medial surface should be cleaned out.End face should be removed pollutant such as greasy dirt, dust, release agent, waste, coating or other hinder the material of bonding, and should reject the loosening surface layer of parapet end face, with clear water flushing stickup face, makes it to clean smooth, is beneficial to paste;
Loosening, the weathering part of b, removing end face and medial surface body of wall, its out-of-flatness place can be adopted 1: 3 cement mortar screeding, is beneficial to paste;
C, treat that operation b finishes after, it is moistening metope should to be sprinkled water, in order to carrying out the construction that alumina silicate fiber felt is pasted operation;
D, treat that operation c finishes after, along flattening in both sides, shrinkage joint metope ecto-entad 50mm～100mm scope, make the inboard metope of seam keep smooth, to prevent heat insulating material 3 surface breakdowns, influence heat insulation effect.
Two, the paste heat-preserving material 3
A, according to the requirement of design drawing, mark the paste position of heat insulating material 3.
B, according to the wide cutting heat insulating material 3 of the seam at shrinkage joint:
Width=2 * (wall thickness+sagging length 50mm of U type)+shrinkage joint is wide
Length=1000mm～1500mm;
The short side direction of the heat insulating material 3 that c, edge cut is smeared binding material 2, and the same wall thickness of width range compresses heat insulating material 3 with special-purpose roller then, and keeps roughly 45 °, binding material 2 is evenly distributed, and strikes off unnecessary binding material 2;
After d, heat insulating material 3 have been smeared binding material 2, should immediately it be sticked on both allocations of body of wall 1.During stickup action should be softly, evenly extruding, again with roller along pasting the direction roll extrusion, discharge bubble, make heat insulating material 3 and body of wall 1 well-bonded, the assurance sticking effect;
E, edge seam length direction should guarantee that the lap length of adjacent alumina silicate fiber felt is not less than 100mm, and overlap is pasted with the bonding rubber cement, and presses the bubble that operation d discharges overlap, guarantees the overlap joint effect.
Three, add metal cover board 6
After zone, shrinkage joint heat insulating material 3 bondings finish; outside the metope of both sides, shrinkage joint, cover metal cover board 6; protection heat insulating material 3 is not influenced by extraneous unfavorable factor; prolong its application life; metal cover board 6 is fixed on the body of wall 1 by connector 4; connector 4 is made up of expansion nailing and plastic bushing, forms no heat bridge connector, avoids producing heat bridge phenomenon.
Embodiment two
As shown in Figure 2, repeat embodiment one, following difference is arranged: heat insulating material 3 caves in the shrinkage joint, and its cross sectional shape is circular-arc, and metal cover board 6 adopts the galvanized metal plate, and it has projection outside the shrinkage joint, and its cross sectional shape is circular-arc.
Be noted that at last, the above embodiment is to the explanation of technical solution of the present invention and unrestricted, other modification that is equal to replacement or makes of affiliated technical field those of ordinary skill according to prior art, as long as do not exceed the thinking and the scope of technical solution of the present invention, all should be included within the interest field of the presently claimed invention.
Claims (6)
1, a kind of outer-wall external thermal insulation expansion joint structure, comprise body of wall (1), occluded air interlayer (5) and sealing device, it is characterized in that: described sealing device comprises heat insulating material (3), connector (4), binding material (2) and metal cover board (6), heat insulating material (3) is bonded in the end face of body of wall (1) by binding material (2), be coated with metal cover board (6) on the heat insulating material (3), metal cover board (6) is fixed on the end face of body of wall (1) by connector (4), forms occluded air interlayer (5) between two sides body of wall (1).
2, according to the described outer-wall external thermal insulation expansion joint structure of claim 1, it is characterized in that: described heat insulating material (3) has depression in the shrinkage joint.
3, according to the described outer-wall external thermal insulation expansion joint structure of claim 1, it is characterized in that: it is б that described heat insulating material (3) can adopt tensile strength
b〉=0.3MPa, coefficient of thermal conductivity are the heat insulating material of λ≤0.035w/ (mK).
4, according to the described outer-wall external thermal insulation expansion joint structure of claim 1, it is characterized in that: described connector (4) can adopt no heat bridge connector.
5, according to the described outer-wall external thermal insulation expansion joint structure of claim 1, it is characterized in that: described metal cover board (6) can adopt the galvanized metal plate.
6, according to claim 1 or 5 described outer-wall external thermal insulation expansion joint structures, it is characterized in that: described metal cover board (6) has projection outside the shrinkage joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200910065143XA CN101575878A (en) | 2009-06-09 | 2009-06-09 | Outer-wall external thermal insulation expansion joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200910065143XA CN101575878A (en) | 2009-06-09 | 2009-06-09 | Outer-wall external thermal insulation expansion joint structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101575878A true CN101575878A (en) | 2009-11-11 |
Family
ID=41270934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200910065143XA Pending CN101575878A (en) | 2009-06-09 | 2009-06-09 | Outer-wall external thermal insulation expansion joint structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101575878A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104160103A (en) * | 2011-10-21 | 2014-11-19 | 滨特尔热能管理有限责任公司 | Storage tank insulation joint apparatus and method |
| CN104563307A (en) * | 2015-01-04 | 2015-04-29 | 河南省建筑设计研究院有限公司 | Temperature joint structure capable of transmitting earthquake force |
| CN107288228A (en) * | 2017-07-27 | 2017-10-24 | 中国建筑第八工程局有限公司 | The heat-insulation layer stereotyped structure and its installation method of a kind of deformation joint |
| CN107830036A (en) * | 2017-11-30 | 2018-03-23 | 四川圣亚凯紧固器材有限公司 | A kind of self-expanding nailing for connector fixation |
| CN110359585A (en) * | 2019-07-08 | 2019-10-22 | 北京万达文旅规划设计院有限公司 | The composition component and low temperature chamber of low temperature chamber |
| CN110388023A (en) * | 2019-08-15 | 2019-10-29 | 四川天宜石油化工工程有限公司 | Antiseepage terrace expansion joint joint filling structure, expansion joint structure and expansion joint construction technology |
| CN111021786A (en) * | 2019-11-27 | 2020-04-17 | 中建科技有限公司 | Connection node's between box room box no heat bridge structure and box room |
| CN111075106A (en) * | 2019-12-24 | 2020-04-28 | 电联工程技术股份有限公司 | Heat-insulating composite wallboard |
| CN111794413A (en) * | 2020-07-24 | 2020-10-20 | 温州泰乐维工程设计有限公司 | Concrete heat-insulation external wall |
| CN114182833A (en) * | 2021-12-27 | 2022-03-15 | 浙江晟洋建设有限公司 | Building movement joint leak protection device |
-
2009
- 2009-06-09 CN CNA200910065143XA patent/CN101575878A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104160103A (en) * | 2011-10-21 | 2014-11-19 | 滨特尔热能管理有限责任公司 | Storage tank insulation joint apparatus and method |
| CN104160103B (en) * | 2011-10-21 | 2016-09-28 | 滨特尔热能管理有限责任公司 | Storage tank heat insulation joint apparatus and method |
| CN104563307A (en) * | 2015-01-04 | 2015-04-29 | 河南省建筑设计研究院有限公司 | Temperature joint structure capable of transmitting earthquake force |
| CN107288228A (en) * | 2017-07-27 | 2017-10-24 | 中国建筑第八工程局有限公司 | The heat-insulation layer stereotyped structure and its installation method of a kind of deformation joint |
| CN107830036A (en) * | 2017-11-30 | 2018-03-23 | 四川圣亚凯紧固器材有限公司 | A kind of self-expanding nailing for connector fixation |
| CN110359585A (en) * | 2019-07-08 | 2019-10-22 | 北京万达文旅规划设计院有限公司 | The composition component and low temperature chamber of low temperature chamber |
| CN110388023A (en) * | 2019-08-15 | 2019-10-29 | 四川天宜石油化工工程有限公司 | Antiseepage terrace expansion joint joint filling structure, expansion joint structure and expansion joint construction technology |
| CN111021786A (en) * | 2019-11-27 | 2020-04-17 | 中建科技有限公司 | Connection node's between box room box no heat bridge structure and box room |
| CN111075106A (en) * | 2019-12-24 | 2020-04-28 | 电联工程技术股份有限公司 | Heat-insulating composite wallboard |
| CN111794413A (en) * | 2020-07-24 | 2020-10-20 | 温州泰乐维工程设计有限公司 | Concrete heat-insulation external wall |
| CN114182833A (en) * | 2021-12-27 | 2022-03-15 | 浙江晟洋建设有限公司 | Building movement joint leak protection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101575878A (en) | Outer-wall external thermal insulation expansion joint structure | |
| CN204491855U (en) | The anti-heat bridge structure of a kind of building wall pipe | |
| CN212926819U (en) | Low-energy-consumption building external wall heat-insulation integrated plate | |
| CN101570986B (en) | Indoor wall insulated board and manufacturing method thereof | |
| CN108999402A (en) | A kind of plastering treatment process based on large-scale EPS lines | |
| CN206144041U (en) | Various steel sheet cogongrass roofing of double -layered core of belted steel silk screen | |
| CN201512869U (en) | Cast-in-situ thermal insulation structure of building wall body | |
| CN110821210A (en) | House system of assembled positive energy room | |
| CN101936042B (en) | Waterproof structure of small-frame composite heat insulating system | |
| CN212836703U (en) | Wall-through hole structure and wall | |
| CN212656258U (en) | Structure of underground works antisweat | |
| CN201395908Y (en) | Cavity-type small-framework heat-preservation heat-insulation clad plate | |
| CN206928531U (en) | A kind of waterproof thermal-insulated system in passive house face | |
| CN201217856Y (en) | Indoor wall thermal insulation board | |
| CN207378299U (en) | Suitable for the indoor drainage pipe structure of Passive low-energy building | |
| CN207405889U (en) | Suitable for the deformation joint of roof structure of Passive low-energy building | |
| CN212836705U (en) | Wall-through hole structure and wall | |
| CN207332127U (en) | A kind of integral waterproofing keeps the temperature the flat roof deck system of seamless light gauge cold-formed steel shape | |
| CN208009781U (en) | A kind of new waterproof construction | |
| CN212613114U (en) | Integrated energy-saving wall structure | |
| CN208668803U (en) | The eaves gutter structure of passive type super low energy consumption building | |
| CN209907659U (en) | Novel sandwich type prefabricated heat-insulation external wall structure | |
| CN211774695U (en) | PCB composite insulation board | |
| CN212478316U (en) | Heat-proof bridge heat-insulation connecting structure of energy-saving building awning | |
| CN218438950U (en) | Satisfy window system under existing building transformation different functions |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20091111 |