CN102505762A - Sand aerated concrete heat-insulation block outer wall outer heat-insulation system and construction method thereof - Google Patents
Sand aerated concrete heat-insulation block outer wall outer heat-insulation system and construction method thereof Download PDFInfo
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- CN102505762A CN102505762A CN2011103725894A CN201110372589A CN102505762A CN 102505762 A CN102505762 A CN 102505762A CN 2011103725894 A CN2011103725894 A CN 2011103725894A CN 201110372589 A CN201110372589 A CN 201110372589A CN 102505762 A CN102505762 A CN 102505762A
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- heat insulating
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- aerated concrete
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/244—Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires
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Abstract
The invention discloses a sand aerated concrete heat-insulation block outer wall outer heat-insulation system and a construction method thereof. According to the system, an outer wall base layer serves as a base; a bonding agent layer, a cement mortar leveling layer, a sand aerated concrete heat-insulation block which is bonded through a binder, and a plastering mortar layer are sequentially arranged outwards; and the outermost layer is a face brick layer bonded by a face brick binder. The construction method comprises the following steps of: firstly, cleaning a outer wall base face, and making wall face mortar brushed face control mortar cakes; secondly, coating the bonding agent, brushing the outer wall base face with cement mortar powder and leveling; thirdly, after maintenance, setting the horizontal control line of each floor and the adhering perpendicularity of the heat-insulation block, and controlling the mortar cakes; fourthly, paving and tiling the sand aerated concrete heat-insulation block; fifthly, brushing the plastering mortar after pavement; and finally, decorating the outer wall face. While energy conservation and heat preservation of a building are achieved, a fire disaster is avoided, the technical operation is simple and quick, and the comprehensive construction cost is relatively low.
Description
Technical field
The present invention relates to a kind of construction techniques, say so more specifically a kind of sand aerated concrete heat insulating block external wall heat insulation system and job practices thereof, this external wall heat insulation system is applicable to all kinds of buildings.
Background technology
In recent years, the polyphenyl board exterior wall outer thermal insulation system is used in highrise building in a large number, but the not fire-retardant characteristic of polyphenyl plate causes it to endure dispute in industry to the fullest extent always.When polyphenyl plate in case because of a variety of causes generation flare; Being exposed to airborne polyphenyl plate surface will catch fire rapidly and stretch; Loss people's lives and properties suffer extremely heavy loss; And this type of incident takes place repeatedly, finally causes the state ministry of public security door to put into effect regulation and forbids to use polyphenyl plate as the external wall outer insulation material.
Summary of the invention
Technical problem to be solved by this invention provides a kind of when satisfying building energy conservation heat insulation, avoid sand aerated concrete heat insulating block external wall heat insulation system that fire takes place with and job practices.
A kind of sand aerated concrete heat insulating block external wall heat insulation system of the present invention; Plinth course is the basis in addition; Outwards set gradually interfacial agents layer, cement mortar screeding layer, pass through sand aerated concrete heat insulating block, plastering mortar layer that cementing agent bonds, outermost layer is the face brick by the binder for face brick bonding.
In order to reinforce, can the sand aerated concrete heat insulating block and outside add L shaped metal tension member between the plinth course and reinforce.Same, when finish coat is face stone brick, can adopt expanded metal lath to reinforce in the plastering mortar layer.
The job practices of above-mentioned sand aerated concrete heat insulating block external wall heat insulation system may further comprise the steps:
1) cleaning exterior wall basal plane;
2) do metope mortar FF control ash cake;
3) brushing interfacial agents;
4) with cement mortar powder brush exterior wall basal plane and levelling;
5) the exterior wall basal plane after cement mortar is whitewashed carries out maintenance;
6) set each floor levels control line and heat insulating block and paste verticality control ash cake;
7) carry out the paving bottom first skin sand aerated concrete heat insulating block according to horizontal control line and verticality control ash cake;
8) paste the sand aerated concrete heat insulating block by skin;
9) cleaning metope after paving is accomplished;
10) brushing plastering mortar;
11) brushing waterproof interfacial agents;
12) carry out exterior wall surface decorative.
Above-mentioned steps 3) before whitewashing, can earlier the constuction joint between secondary structure metope and the different materials be strengthened with steel fabric sheet.
Above-mentioned steps 8) detailed process is: pursue the stickup of skin according to horizon with vertical control line, and accomplish hypodermis heat insulating block fissure of displacement overlap joint, its lap length is not less than by 1/3 of overlap joint block length, and minimum must not be less than 100mm; The shrinkage joint of 10-15mm is set at the inner corner trim place of body of wall with when the perpend wall body length surpasses 10m, the filling-foam agent shrinkage joint in, and use the building sealant packing, outside locating, the shrinkage joint sticks on one deck grid cloth.
Above-mentioned steps 8) in, when height of house≤8m or≤2 layers, the sand aerated concrete heat insulating block at concrete shear force wall or beam column position directly is pasted on the concrete base layer; When height of house＞8m and≤24m, per 2 layers sand aerated concrete heat insulating block is supported on concrete that floor chooses outward cornices; When height of house≤24m, cornicing is provided with vertical interval≤6m; When house>=24m height, cornicing is provided with vertical interval≤3m; When being tile decorative surface, should every layer concrete being set and cornicing for wall face; Concrete cornices outward and should make heat insulating block be not less than 2/3 thickness part position on it.When the sand aerated concrete heat insulating block is pasted in the above position of height 24m, adopt L shaped metal tension member to fix outside between wall base face and the sand aerated concrete heat insulating block.To the sand aerated concrete heat insulating block of 300 * 600 * 50mm, adopting the tension member specification is 40 * 40 * 3mm, length 100mm; By vertical per two skin heat insulating blocks, horizontal spacing 600mm arranges that tension member is fixed on the exterior wall basal plane with the nylon expansion tube of 1 ~ 2 diameter 5mm, length 70mm, fixes with the sand aerated concrete heat insulating block with 32 small weapon nails.
Beneficial effect of the present invention:
The present invention utilizes the noninflammability ability of sand aerated concrete heat insulating block, glue-hangs over wall face, when satisfying building energy conservation heat insulation, has avoided the generation of fire.After adopting cementing agent to paste between sand aerated concrete heat insulating block and exterior wall, L shaped metal tension member drawknot can be set, perhaps the concrete measures such as cutting apart each layer heat insulating block weight of cornicing be set, guarantee that whole external wall system is safe and reliable every layer of exterior wall.In addition, material therefor of the present invention all satisfies environmental requirement, the technological operation simple and fast, and the construction integrated cost is lower.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a shrinkage joint sketch map among the present invention;
Fig. 3 is an inner corner trim shrinkage joint sketch map among the present invention;
Fig. 4 is the concrete sketch map that cornices among the present invention;
Fig. 5 is a L shaped metal access node spare scheme of installation among the present invention.
The specific embodiment
One, heat insulation system structure
As shown in Figure 1; Sand aerated concrete heat insulating block external wall heat insulation system of the present invention; Be specially; Plinth course 1 is the basis in addition, outwards sets gradually interfacial agents layer 2, cement mortar screeding layer 3, passes through sand aerated concrete heat insulating block 4 (hereinafter to be referred as heat insulating block), plastering mortar layer 5 that cementing agent bonds, and outermost layer is a finish coat 6.
Two, job practices
The detailed step of its construction is:
1) cleaning exterior wall basal plane, the floating ash through cleaning metope basic unit etc. get adhesion strength to guarantee the postorder rendering layer.
2) do metope mortar FF control ash cake, ash cake is answered≤1.8m to spacing anyhow, can control the verticality and the planeness of rendering layer finished surface through doing ash cake.
3) constuction joint between the different materials such as secondary structure metope and concrete column, collar tie beam is strengthened with the wide steel fabric sheet of 20cm, after the stiffened wire lath sheet is provided with completion, brushing interfacial agents on former metope.Interfacial agents should be divided the secondary brushing, should treat before the brushing second time just can brush after the interfacial agents of brushing is for the first time done admittedly, and brushing thickness should evenly not have omission, each about 2mm of brushing thickness.
4) the interfacial agents brushing accomplish and do solid after, can use the cement mortar of cement: mortar=1:3 to carry out whitewashing of basic unit and scrape rough processing, whitewash thickness should be greater than 10mm at every turn, accomplishes that gradation plasters levelling simultaneously.
5) the exterior wall basal plane after cement mortar is whitewashed carries out maintenance, cleans the former basic unit's face that whitewashes;
6) with the planeness of 2m guiding ruler inspection basic unit rendering layer and verticality (deviation answers≤3mm), should knock out again for the place of whitewashing metope and have hollowing and to whitewash, on the rendering layer metope, make the horizontal control line and vertical control line of paste heat-preserving piece.
7) carry out the paving bottom first skin heat insulating block according to horizontal control line and verticality control ash cake, should completely smear cementing agent in heat insulating block bottom surface and vertical side during the paste heat-preserving piece, guarantee plumpness >=80% of mortar joint cementing agent.Proofread and correct sideline, level, the upright position of body of wall during stickup with spirit level and rubber hammer, will avoid when knocking smashing heat insulating block and strike splitting, notice that heat insulating block must not water by water.
The stickup of 8) pursuing skin according to horizon and vertical control line; And accomplish hypodermis heat insulating block fissure of displacement overlap joint, its lap length generally should not overlap 1/3 of block length less than quilt, and must not be less than 100mm; At the inner corner trim place of body of wall with when the perpend wall body length surpasses 10m; The shrinkage joint (see figure 2) of 10-15mm should be set, filling-foam agent 8 in the shrinkage joint, and with building sealant 9 packings; The place, shrinkage joint sticks on one deck 300 wide grid cloth 10 in the outside.
Hypodermis fissure of displacement overlap joint is each other gone up in the paving simultaneously of the external corner both sides of heat insulating block body of wall during paving.The inner corner trim both sides of heat insulating block body of wall must separate the paving (see figure 3), and the inner corner trim place should be provided with the shrinkage joint of 10-15mm.The shrinkage joint adopts blowing agent 8 to fill.After doing admittedly, should the blowing agent of trickling outside seam be cleaned out, and with building sealant 9 packings, one deck 300 wide grid cloth 10 are sticked in the outside.
When height of house≤8m or≤2 layers, the sand aerated concrete heat insulating block at concrete shear force wall or beam column position directly is pasted on the concrete base layer; When height of house＞8m and≤24m, per 2 layers sand aerated concrete heat insulating block is supported on concrete that floor chooses outward cornices; When height of house≤24m, cornicing is provided with vertical interval≤6m; When house>=24m height, cornicing is provided with vertical interval≤3m; When being tile decorative surface, concrete 11 (see figure 4)s of cornicing should every layer be set for wall face; Concrete cornices outward and should make heat insulating block be not less than 2/3 thickness part position on it.When the sand aerated concrete heat insulating block is pasted in the above position of height 24m, adopt fixedly (see figure 5) of L shaped metal tension member 7 outside between wall base face and the sand aerated concrete heat insulating block.To the sand aerated concrete heat insulating block of 300 * 600 * 50mm, adopting the tension member specification is 40 * 40 * 3mm, length 100mm; By vertical per two skin heat insulating blocks, horizontal spacing 600mm arranges that tension member is fixed on the exterior wall basal plane with the nylon expansion tube of 1 ~ 2 diameter 5mm, length 70mm, fixes with the sand aerated concrete heat insulating block with 32 small weapon nails.
Detect the planeness and the verticality of body of wall with guiding ruler, when deviation slightly exceeds standard, with the correction of polishing of steel-tooth template or frosted plate.
Handing-over positions such as external thermal insulation wall surface and all kinds of hole, concrete column, beam, windowsill, chase, temperature control seam are pasted and are not less than the wide fiberglass gridding cloth of 200mm.Four jiaos of fiberglass gridding cloths of door and window hole along 45 ° of wide 200mm of oblique stickup, long 400mm; The wide fiberglass gridding cloth of 300mm is pasted at external corner position in the following scope of grade 2m height
9) carry out the metope cleaning after inspection heat insulating block metope is accomplished, and carry out necessary maintenance.
10) curing time, smeared plastering mortar 15mm after accomplishing, and gradation is smeared, and outside finish must increase the reinforcement of galvanized steel expanded metals and be anchored on the heat insulating block body of wall when be face brick in plastering mortar.
11) brushing waterproof interfacial agents.
12) carry out exterior wall surface decorative.
Three, main material
Main material is sand aerated concrete heat insulating block, cementing agent, alkaline-resisting grid cloth, interfacial agents, and the basic mechanical design feature index of all kinds of main materials is following, sees table 1-4.
Table 1 sand aerated concrete heat insulating block main performance index
Table 2 cementing agent main performance index
The alkaline-resisting grid cloth main performance index of table 3
Table 4 waterproof interfacial agents main performance index
Four, performance analysis
1, use the outer sand aerated concrete heat insulating block that pastes, greatly reduce building costs simultaneously in the fireproof performance that satisfies external wall, adopt extruded polystyrene board with respect to traditional exterior wall, integrated cost has reduced by 15 yuan/m
2
2, sand aerated concrete heat insulating block light weight belongs to inorganic material, the generation of thoroughly having stopped the external wall construction fire.
3, the present invention adopts sticking-prolong knot to close, and guarantees the adhesion stress between heat insulating block and exterior wall, and outside finish can adopt sheet materials such as face brick.
4, material therefor all meets the safety and environmental protection requirement, and working procedure is simple, and the construction period is shorter, and quality is controlled easily.
5, show through on-the-spot drawing detection, paste sand aerated concrete heat insulating block sticking strength outward and satisfy code requirement.
Above-mentioned these embodiments only are used to explain the present invention, but do not limit the scope of the invention, and after having read the present invention, those skilled in the art all fall within the application's accompanying claims institute restricted portion to the modification of the various equivalent form of values of the present invention.
Claims (9)
1. sand aerated concrete heat insulating block external wall heat insulation system; It is characterized in that; Plinth course (1) is the basis in addition; Outwards set gradually interfacial agents layer (2), cement mortar screeding layer (3), pass through sand aerated concrete heat insulating block (4), plastering mortar layer (5) that cementing agent bonds, outermost layer is finish coat (6).
2. sand aerated concrete heat insulating block external wall heat insulation system according to claim 1 is characterized in that, sand aerated concrete heat insulating block (4) and outside add L shaped metal tension member between the plinth course (1) and reinforce (7).
3. sand aerated concrete heat insulating block external wall heat insulation system according to claim 1 and 2 is characterized in that, when finish coat is face stone brick, in plastering mortar layer (5), adopts expanded metal lath to reinforce.
4. the job practices of a sand aerated concrete heat insulating block external wall heat insulation system is characterized in that may further comprise the steps:
1) cleaning exterior wall basal plane;
2) do metope mortar FF control ash cake;
3) brushing interfacial agents;
4) with cement mortar powder brush exterior wall basal plane and levelling;
5) the exterior wall basal plane after cement mortar is whitewashed carries out maintenance;
6) set each floor levels control line and heat insulating block and paste verticality control ash cake;
7) carry out the paving bottom first skin sand aerated concrete heat insulating block according to horizontal control line and verticality control ash cake;
8) paste the sand aerated concrete heat insulating block by skin;
9) cleaning metope after paving is accomplished;
10) brushing plastering mortar;
11) brushing waterproof interfacial agents;
12) carry out exterior wall surface decorative.
5. the job practices of sand aerated concrete heat insulating block external wall heat insulation system according to claim 4 is characterized in that, before step 3) is whitewashed, earlier the constuction joint between secondary structure metope and the different materials is strengthened with steel fabric sheet.
6. according to the job practices of claim 4 or 5 described sand aerated concrete heat insulating block external wall heat insulation systems; It is characterized in that; The detailed process of step 8) is: pursue the stickup of skin and accomplish hypodermis heat insulating block fissure of displacement overlap joint according to horizon and vertical control line; Its lap length is not less than by 1/3 of overlap joint block length, and minimum must not be less than 100mm; The shrinkage joint of 10-15mm is set at the inner corner trim place of body of wall with when the perpend wall body length surpasses 10m, the filling-foam agent shrinkage joint in, and use the building sealant packing, outside locating, the shrinkage joint sticks on one deck grid cloth.
7. according to the job practices of claim 4 or 5 described sand aerated concrete heat insulating block external wall heat insulation systems; It is characterized in that; In the step 8), when height of house≤8m or≤2 layers, the sand aerated concrete heat insulating block at concrete shear force wall or beam column position directly is pasted on the concrete base layer; When height of house＞8m and≤24m, per 2 layers sand aerated concrete heat insulating block is supported on concrete that floor chooses outward cornices; When height of house≤24m, cornicing is provided with vertical interval≤6m; When house>=24m height, cornicing is provided with vertical interval≤3m; When being tile decorative surface, should every layer concrete being set and cornicing for wall face; Concrete cornices outward and should make heat insulating block be not less than 2/3 thickness part position on it.
8. according to the job practices of claim 4 or 5 described sand aerated concrete heat insulating block external wall heat insulation systems; It is characterized in that; In the step 8); When the sand aerated concrete heat insulating block is pasted in the above position of height 24m, adopt L shaped metal tension member to fix outside between wall base face and the sand aerated concrete heat insulating block.
9. the job practices of sand aerated concrete heat insulating block external wall heat insulation system according to claim 8 is characterized in that, to the sand aerated concrete heat insulating block of 300 * 600 * 50mm, adopting the tension member specification is 40 * 40 * 3mm, length 100mm; By vertical per two skin heat insulating blocks, horizontal spacing 600mm arranges that tension member is fixed on the exterior wall basal plane with the nylon expansion tube of 1 ~ 2 diameter 5mm, length 70mm, fixes with the sand aerated concrete heat insulating block with 32 small weapon nails.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103321340A (en) * | 2013-07-09 | 2013-09-25 | 嘉兴市博宏新型建材有限公司 | Construction mortar for aerated block masonry |
| CN103321368A (en) * | 2013-07-09 | 2013-09-25 | 嘉兴市博宏新型建材有限公司 | Plastering mortar for aerated block wall surface |
| CN103410232A (en) * | 2013-08-02 | 2013-11-27 | 安徽中瑞节能装饰材料集团有限公司 | Outer-wall external thermal-insulating system utilizing inorganic compound thermal-insulating board |
| CN105421598A (en) * | 2015-11-10 | 2016-03-23 | 登封电厂集团铝合金有限公司 | Face brick decorative finish outer heat-preservation system and construction method thereof |
| CN105625589A (en) * | 2016-02-04 | 2016-06-01 | 新华盛节能科技股份有限公司 | Exterior wall insulation structure and manufacture method thereof |
| CN107419897A (en) * | 2017-09-19 | 2017-12-01 | 中建八局第四建设有限公司 | A kind of reinforcing mould of windowsill coping formwork |
| CN108708515A (en) * | 2018-08-10 | 2018-10-26 | 金螳螂精装科技（苏州）有限公司 | A kind of splits closing device |
| CN109457968A (en) * | 2018-12-19 | 2019-03-12 | 北京奥克森节能环保科技有限公司 | A kind of adhesive method of construction material |
| CN111561118A (en) * | 2020-05-09 | 2020-08-21 | 苏州金螳螂建筑装饰股份有限公司 | Large-size thin plate paving structure and construction method thereof |
| CN113550514A (en) * | 2021-07-24 | 2021-10-26 | 深圳市中弘建设工程有限公司 | Construction process for preventing outer wall tile from hollowing and falling off |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103321340A (en) * | 2013-07-09 | 2013-09-25 | 嘉兴市博宏新型建材有限公司 | Construction mortar for aerated block masonry |
| CN103321368A (en) * | 2013-07-09 | 2013-09-25 | 嘉兴市博宏新型建材有限公司 | Plastering mortar for aerated block wall surface |
| CN103410232A (en) * | 2013-08-02 | 2013-11-27 | 安徽中瑞节能装饰材料集团有限公司 | Outer-wall external thermal-insulating system utilizing inorganic compound thermal-insulating board |
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| CN105421598A (en) * | 2015-11-10 | 2016-03-23 | 登封电厂集团铝合金有限公司 | Face brick decorative finish outer heat-preservation system and construction method thereof |
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| CN107419897A (en) * | 2017-09-19 | 2017-12-01 | 中建八局第四建设有限公司 | A kind of reinforcing mould of windowsill coping formwork |
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| CN108708515A (en) * | 2018-08-10 | 2018-10-26 | 金螳螂精装科技（苏州）有限公司 | A kind of splits closing device |
| CN109457968A (en) * | 2018-12-19 | 2019-03-12 | 北京奥克森节能环保科技有限公司 | A kind of adhesive method of construction material |
| CN111561118A (en) * | 2020-05-09 | 2020-08-21 | 苏州金螳螂建筑装饰股份有限公司 | Large-size thin plate paving structure and construction method thereof |
| CN113550514A (en) * | 2021-07-24 | 2021-10-26 | 深圳市中弘建设工程有限公司 | Construction process for preventing outer wall tile from hollowing and falling off |
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Application publication date: 20120620 |