CN103195217A - Adhering outer wall outer heat insulating system energy-saving reconstruction base layer processing method for existing buildings - Google Patents
Adhering outer wall outer heat insulating system energy-saving reconstruction base layer processing method for existing buildings Download PDFInfo
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- CN103195217A CN103195217A CN 201310142005 CN201310142005A CN103195217A CN 103195217 A CN103195217 A CN 103195217A CN 201310142005 CN201310142005 CN 201310142005 CN 201310142005 A CN201310142005 A CN 201310142005A CN 103195217 A CN103195217 A CN 103195217A
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Abstract
The invention belongs to the technical field of outer wall outer heat insulating energy-saving reconstruction projects for existing buildings and particularly relates to a base layer processing method in prior to adhering outer wall outer heat insulating system energy-saving reconstruction for existing buildings. The method is characterized by including: researching outer wall finish coat appearance defects; diagnosing outer wall finish coat adhering defects; and specific base layer processing. By the method, outer wall finish coat defects are diagnosed before base layer processing, drawing detection of adhering strength of the finish coat and adhesives is performed, and accordingly problems of hollowing, cracking and dropping due to the outer wall outer heat insulating system and the base layer wall are unprocessed or processed simply are avoided, reliable connection of the outer heat insulating system wit the base layer wall in outer wall outer heat insulating energy-saving reconstruction is achieved, and safety and durability of the outer wall outer heat insulating system are improved.
Description
Technical field
The present invention relates to the existing building external-wall external-insulation energy-saving and transform the field, particularly, relate to the base treatment method of a kind of existing building adhesive type external thermal insulation system reducing energy consumption.
Background technology
External thermal insulation system is applied in existing building reducing energy consumption engineering.But at present the base treatment method of transforming at the adhesive type external-wall external-insulation energy-saving is comparatively simple, just the former finish coat of exterior wall is cleaned up usually, and the levelling processing is repaired at its crack, the serious position of surface fracture such as come off.This processing method exists some rejected regions not process inevitably, as: the bonding position of coming to nothing of the former finish coat of exterior wall, former finish coat because of freeze injury, saltout, reason such as erosion causes its adhesion strength lower position.Just can not guarantee like this that external thermal insulation system reliably is connected with the basic unit body of wall, thereby caused many existing building external-wall external-insulation energy-saving improvement projects after completion soon with regard to metope cracking, hollowing, insulation layer problem such as come off occurring, influenced applying of existing building external-wall external-insulation energy-saving transformation.
Summary of the invention
For solving the workmanship hidden danger that exists in the adhesive type external thermal insulation system reducing energy consumption base treatment, guarantee safe and reliable connection of outer heat preservation system and existing building basic unit body of wall, the invention provides the base treatment method of a kind of adhesive type external thermal insulation system reducing energy consumption.
For achieving the above object, the present invention adopts following scheme:
Existing building adhesive type external thermal insulation system reducing energy consumption base treatment method comprises following four steps: the investigation of exterior wall finish layer open defect; The diagnosis of exterior wall finish layer bonding defect; Exterior trim surface layer and adhesive bonds intensity detection; Concrete base treatment.
Preferably, the investigation of exterior wall finish layer open defect comprises following content:
(1), consult existing building external-wall external-insulation energy-saving improvement project design drawing, and link up understanding with the property management personnel, confirm that practical use, environmental characteristic and the building of building has or not repairing;
(2), the various open defects that the former finish coat of existing building exterior wall occurred by on-the-spot ocular estimate, and carry out key words sorting.
Preferably, various outer defective tubes are freeze injury, analyse salt, erosion, oil stain, hole, pit, cracking.
Preferably, the diagnosis of exterior wall finish layer bonding defect comprises following content:
(1), utilize thermal infrared imager that exterior wall finish layer bonding defect diagnosed, formulate detection scheme, study preparatory condition, environment, the meteorological condition of tested building, and determine placement location, detection distance, the detection number of times of detection time, thermal infrared imager on this basis and adopt hammering method to confirm the position of thermal imagery method testing result;
(2), carry out that thermal infrared imager is on-the-spot to be detected, record date, climatic condition, the metope that area is big need piecemeal to take; In testing process, utilize external heat source to inject heat to measured target, relend and help checkout equipment to record working surface heat radiation everywhere to distribute to judge defective;
(3), take thermography and thermal imagery is handled, being divided into is to carry out in two stages, the one, the Infrared Thermogram that piecemeal is taken correctly splices synthetic, and the image after synthetic is carried out Geometric corrections; The 2nd, remove background, eliminate the temperature gradient that cause at the elevation angle when detecting, the abnormal area of outstanding image, output is inferred figure through the second stage infrared thermal imagery of handling and the hollowing that the external wall elevation CAD that the surveys figure of institute correctly superposes, then according to the coloured image analyzing and testing result of its unsticking hollowing, and then mark bonding position of coming to nothing.
Preferably, climatic condition be weather, wind-force, temperature, sunshine situation.
Preferably, exterior trim surface layer and adhesive bonds intensity detection, method is as follows: at first be that original surface of wall is handled and kept dry, smear the 5-8mm polymer bonding mortar on its surface, after mortar to be bonded reaches intensity, with modified epoxide resin adhesive the drawing piece is sticked on the mortar surface, again it is detected with adhesion strength drawing instrument then, judge that whether its adhesion strength is greater than 0.3MPa.
Preferably, concrete base treatment comprises following content:
(1), detect the freeze injury that the former finish coat of exterior wall occurs, the oil stain of analysing salt, erosion problem and exterior wall surface at step 1, with the alkali lye eccysis of 5%-10% concentration, mildew is gone mould dose of processing with chemistry;
(2), detect hole, pit, the cracking problem that the former finish coat of exterior wall occurs at step 1, tackling its hole, pit, cracking position fills and repairs and polish flat, the crack larger part, surfacing becomes " V " font, and is smooth with cement or epoxy fill.
(3), detect the bonding problem of coming to nothing that the former finish coat of exterior wall occurs at step 2, tackle its hollowing, boss is rejected, and repairs levelling with the cement mortar of 1:3;
(4), at the detected former finish coat of step 3 and the adhesive bond intensity problem less than 0.3MPa, tackle the finish coat at this place and reject, will remove finish coat place polishing with the 1:3 cement mortar, do the processing of interface levelling or plucking again.
Preferably, chemistry goes mould dose to be the liquor natrii hypochloritis of 3% zinc fluosilicate or 0.5%.
Preferably, plain brick wall, decorating surface brick, granitic plaster adopt the drawing piece of 95mm * 45mm * 10mm; Coating metope adopts the drawing piece of 100mm * 100mm * 10mm.
Preferably, utilize external heat source to inject heat to measured target and adopt solar radiation, indoor heating, air-conditioning equipment are made the temperature difference.
Beneficial effect of the present invention is as follows: the present invention is before the base treatment of carrying out the external thermal insulation system reducing energy consumption, earlier the exterior wall finish layer defects is diagnosed, and the adhesion strength of external finish coat and bonding adhesive is carried out the drawing detection, avoided not processing between external thermal insulation system and the basic unit's body of wall or the hollowing that simple process is brought, problem such as ftracture, come off, solved effectively the adhesive type external-wall external-insulation energy-saving transform in the reliable connectivity problem of outer heat preservation system and basic unit's body of wall, improved safety, the endurance quality of external thermal insulation system.
The specific embodiment
Existing building adhesive type external thermal insulation system reducing energy consumption base treatment method comprises following four steps:
Step 1: the investigation of exterior wall finish layer open defect comprises following content:
(1), consult existing building external-wall external-insulation energy-saving improvement project design drawing, and link up understanding with the property management personnel, confirm that practical use, environmental characteristic and the building of building has or not repairing;
(2), the various open defects that the former finish coat of existing building exterior wall occurred by on-the-spot ocular estimate, as freeze injury, analyse salt, erosion, oil stain, hole, pit, cracking etc. carry out key words sorting;
Step 2: the diagnosis of exterior wall finish layer bonding defect comprises following content
(1), utilize thermal infrared imager that exterior wall finish layer bonding defect diagnosed, formulate detection scheme, study preparatory condition, environment, the meteorological condition of tested building, and determine on this basis detection time, thermal infrared imager placement location, detect distance, detect number of times and adopt methods such as hammering method to confirm the position of thermal imagery method testing results;
(2), carry out that thermal infrared imager is on-the-spot to be detected, record date, climatic condition (as situations such as weather, wind-force, temperature, sunshines), the metope that area is big need piecemeal to take; In testing process, utilize external heat source to inject heat to measured target, select solar radiation usually for use, also can pass through indoor heating, the air-conditioning equipment manufacturing temperature difference; Relend and help checkout equipment to record working surface heat radiation everywhere to distribute to judge defective; To privileged sites as the case may be, detection reference is set; The outward appearance situation of detection reference, detection reference temperature and building should be recorded on the piecemeal shooting figure in advance.
(3), take thermography and thermal imagery is handled, being divided into is to carry out in two stages, the one, the Infrared Thermogram that piecemeal is taken correctly splices synthetic, and the image after synthetic is carried out Geometric corrections; The 2nd, remove background, eliminate the temperature gradient that cause at the elevation angle when detecting, the abnormal area of outstanding image, output is inferred figure through the second stage infrared thermal imagery of handling and the hollowing that the external wall elevation CAD that the surveys figure of institute correctly superposes, then according to the coloured image analyzing and testing result of its unsticking hollowing, and then mark bonding position of coming to nothing.
Step 3: exterior trim surface layer and adhesive bonds intensity detection, method is as follows: at first be that original surface of wall is handled and kept dry, smear the 5-8mm polymer bonding mortar on its surface, after mortar to be bonded reaches intensity, with modified epoxide resin adhesive the drawing piece is sticked on the mortar surface, plain brick wall, decorating surface brick, granitic plaster are the drawing pieces that adopts 95mm * 45mm * 10mm; Coating metope adopts the drawing piece of 100mm * 100mm * 10mm, it is detected with adhesion strength drawing instrument then again, judges that whether its adhesion strength is greater than 0.3MPa.
Step 4: concrete base treatment comprises following content:
(1), detect the freeze injury that the former finish coat of exterior wall occurs, the oil stain of analysing salt, erosion problem and exterior wall surface at step 1, with the alkali lye eccysis of 5%-10% concentration, mildew is gone mould dose of processing with the chemistry such as liquor natrii hypochloritis of 3% zinc fluosilicate or 0.5%;
(2), detect hole, pit, the cracking problem that the former finish coat of exterior wall occurs at step 1, tackling its hole, pit, cracking position fills and repairs and polish flat, the crack larger part, surfacing becomes " V " font, and is smooth with cement or epoxy fill.
(3), detect the bonding problem of coming to nothing that the former finish coat of exterior wall occurs at step 2, tackle its hollowing, boss is rejected, and repairs levelling with the cement mortar of 1:3;
(4), at the detected former finish coat of step 3 and the adhesive bond intensity problem less than 0.3MPa, tackle the finish coat at this place and reject, will remove finish coat place polishing with the 1:3 cement mortar, do the processing of interface levelling or plucking again.
Claims (10)
1. an existing building adhesive type external thermal insulation system reducing energy consumption base treatment method is characterized in that, comprises following four steps: the investigation of exterior wall finish layer open defect; The diagnosis of exterior wall finish layer bonding defect; Concrete base treatment.
2. existing building adhesive type external thermal insulation system reducing energy consumption base treatment method according to claim 1 is characterized in that, the investigation of exterior wall finish layer open defect comprises following content:
(1), consult existing building external-wall external-insulation energy-saving improvement project design drawing, and link up understanding with the property management personnel, confirm that practical use, environmental characteristic and the building of building has or not repairing;
(2), the various open defects that the former finish coat of existing building exterior wall occurred by on-the-spot ocular estimate, and carry out key words sorting.
3. according to the described existing building adhesive type of claim 1-2 external thermal insulation system reducing energy consumption base treatment method, it is characterized in that various outer defective tubes are freeze injury, analyse salt, erosion, oil stain, hole, pit, cracking.
4. according to the described existing building adhesive type of claim 1-3 external thermal insulation system reducing energy consumption base treatment method, it is characterized in that the diagnosis of exterior wall finish layer bonding defect comprises following content:
(1), utilize thermal infrared imager that exterior wall finish layer bonding defect diagnosed, formulate detection scheme, study preparatory condition, environment, the meteorological condition of tested building, and determine placement location, detection distance, the detection number of times of detection time, thermal infrared imager on this basis and adopt hammering method to confirm the position of thermal imagery method testing result;
(2), carry out that thermal infrared imager is on-the-spot to be detected, record date, climatic condition, the metope that area is big need piecemeal to take; In testing process, utilize external heat source to inject heat to measured target, relend and help checkout equipment to record working surface heat radiation everywhere to distribute to judge defective;
(3), take thermography and thermal imagery is handled, being divided into is to carry out in two stages, the one, the Infrared Thermogram that piecemeal is taken correctly splices synthetic, and the image after synthetic is carried out Geometric corrections; The 2nd, remove background, eliminate the temperature gradient that cause at the elevation angle when detecting, the abnormal area of outstanding image, output is inferred figure through the second stage infrared thermal imagery of handling and the hollowing that the external wall elevation CAD that the surveys figure of institute correctly superposes, then according to the coloured image analyzing and testing result of its unsticking hollowing, and then mark bonding position of coming to nothing.
5. according to the described existing building adhesive type of claim 1-4 external thermal insulation system reducing energy consumption base treatment method, it is characterized in that, climatic condition be weather, wind-force, temperature, sunshine situation.
6. according to the described existing building adhesive type of claim 1-5 external thermal insulation system reducing energy consumption base treatment method, it is characterized in that, exterior trim surface layer and adhesive bonds intensity detection, method is as follows: at first be that original surface of wall is handled and kept dry, smear the 5-8mm polymer bonding mortar on its surface, after mortar to be bonded reaches intensity, with modified epoxide resin adhesive the drawing piece is sticked on the mortar surface, again it is detected with adhesion strength drawing instrument then, judge that whether its adhesion strength is greater than 0.3MPa.
7. according to the described existing building adhesive type of claim 1-6 external thermal insulation system reducing energy consumption base treatment method, it is characterized in that concrete base treatment comprises following content:
(1), detect the freeze injury that the former finish coat of exterior wall occurs, the oil stain of analysing salt, erosion problem and exterior wall surface at step 1, with the alkali lye eccysis of 5%-10% concentration, mildew is gone mould dose of processing with chemistry;
(2), detect hole, pit, the cracking problem that the former finish coat of exterior wall occurs at step 1, tackling its hole, pit, cracking position fills and repairs and polish flat, the crack larger part, surfacing becomes " V " font, and is smooth with cement or epoxy fill;
(3), detect the bonding problem of coming to nothing that the former finish coat of exterior wall occurs at step 2, tackle its hollowing, boss is rejected, and repairs levelling with the cement mortar of 1:3;
(4), at the detected former finish coat of step 3 and the adhesive bond intensity problem less than 0.3MPa, tackle the finish coat at this place and reject, will remove finish coat place polishing with the 1:3 cement mortar, do the processing of interface levelling or plucking again.
8. according to the described existing building adhesive type of claim 1-7 external thermal insulation system reducing energy consumption base treatment method, it is characterized in that chemistry goes mould dose to be the liquor natrii hypochloritis of 3% zinc fluosilicate or 0.5%.
9. according to the described existing building adhesive type of claim 1-8 external thermal insulation system reducing energy consumption base treatment method, it is characterized in that plain brick wall, decorating surface brick, granitic plaster adopt the drawing piece of 95mm * 45mm * 10mm; Coating metope adopts the drawing piece of 100mm * 100mm * 10mm.
10. according to the described existing building adhesive type of claim 1-9 external thermal insulation system reducing energy consumption base treatment method, it is characterized in that utilize external heat source to inject heat to measured target and adopt solar radiation, indoor heating, air-conditioning equipment are made the temperature difference.
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| CN 201310142005 CN103195217B (en) | 2013-04-23 | 2013-04-23 | Adhering outer wall outer heat insulating system energy-saving reconstruction base layer processing method for existing buildings |
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| CN 201310142005 CN103195217B (en) | 2013-04-23 | 2013-04-23 | Adhering outer wall outer heat insulating system energy-saving reconstruction base layer processing method for existing buildings |
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| CN103195217A true CN103195217A (en) | 2013-07-10 |
| CN103195217B CN103195217B (en) | 2013-11-13 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106053599A (en) * | 2016-06-27 | 2016-10-26 | 深圳大学 | Detection method and detection device for cavities in outer wall of building |
| CN108490029A (en) * | 2018-03-13 | 2018-09-04 | 大连理工大学 | Exterior wall finish layer hollowing detection method |
| CN109356395A (en) * | 2018-09-03 | 2019-02-19 | 天津禾盛源新材料科技有限公司 | A kind of perfusion mortar method exterior-wall heat insulation repairerment technique |
| CN110185278A (en) * | 2019-04-19 | 2019-08-30 | 上海市建筑装饰工程集团有限公司 | The restorative procedure of existing building external thermal insulation system |
| CN110185279A (en) * | 2019-04-19 | 2019-08-30 | 上海市建筑装饰工程集团有限公司 | The restorative procedure of existing building sloughing of exterior wall |
| CN110185275A (en) * | 2019-04-19 | 2019-08-30 | 上海市建筑装饰工程集团有限公司 | The restorative procedure of existing building outer walls mildew |
| CN111173308A (en) * | 2020-01-13 | 2020-05-19 | 马飒路 | Construction method for repairing thermal insulation crack of external wall |
-
2013
- 2013-04-23 CN CN 201310142005 patent/CN103195217B/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106053599A (en) * | 2016-06-27 | 2016-10-26 | 深圳大学 | Detection method and detection device for cavities in outer wall of building |
| CN106053599B (en) * | 2016-06-27 | 2019-05-03 | 深圳大学 | A kind of detection method and detection device in exterior walls of buildings cavity |
| CN108490029A (en) * | 2018-03-13 | 2018-09-04 | 大连理工大学 | Exterior wall finish layer hollowing detection method |
| CN108490029B (en) * | 2018-03-13 | 2020-08-14 | 大连理工大学 | Method for detecting hollowing of outer wall finish coat |
| CN109356395A (en) * | 2018-09-03 | 2019-02-19 | 天津禾盛源新材料科技有限公司 | A kind of perfusion mortar method exterior-wall heat insulation repairerment technique |
| CN110185278A (en) * | 2019-04-19 | 2019-08-30 | 上海市建筑装饰工程集团有限公司 | The restorative procedure of existing building external thermal insulation system |
| CN110185279A (en) * | 2019-04-19 | 2019-08-30 | 上海市建筑装饰工程集团有限公司 | The restorative procedure of existing building sloughing of exterior wall |
| CN110185275A (en) * | 2019-04-19 | 2019-08-30 | 上海市建筑装饰工程集团有限公司 | The restorative procedure of existing building outer walls mildew |
| CN111173308A (en) * | 2020-01-13 | 2020-05-19 | 马飒路 | Construction method for repairing thermal insulation crack of external wall |
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| CN103195217B (en) | 2013-11-13 |
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Granted publication date: 20131113 Termination date: 20140423 |