CN107806250A - Dry-hang exterior wall repairing and reinforcing method - Google Patents

Dry-hang exterior wall repairing and reinforcing method Download PDF

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Publication number
CN107806250A
CN107806250A CN201710984214.0A CN201710984214A CN107806250A CN 107806250 A CN107806250 A CN 107806250A CN 201710984214 A CN201710984214 A CN 201710984214A CN 107806250 A CN107806250 A CN 107806250A
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CN
China
Prior art keywords
exterior wall
dry
reinforcing method
cement
plate
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.)
Granted
Application number
CN201710984214.0A
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Chinese (zh)
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CN107806250B (en
Inventor
郭锋
钱中秋
赵大军
吴开胜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changzhou Institute Of Building Science Group Ltd By Share Ltd
JIANGSU NIGAO TECHNOLOGY Co Ltd
Original Assignee
Changzhou Institute Of Building Science Group Ltd By Share Ltd
JIANGSU NIGAO TECHNOLOGY Co Ltd
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Priority to CN201710984214.0A priority Critical patent/CN107806250B/en
Publication of CN107806250A publication Critical patent/CN107806250A/en
Application granted granted Critical
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00—Working measures on existing buildings
    • E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/04—Portland cements
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/06—Aluminous cements
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/70—Grouts, e.g. injection mixtures for cables for prestressed concrete

Abstract

The invention discloses a kind of dry-hang exterior wall repairing and reinforcing method, comprise the following steps：In original building exterior wall laydown, keel are anchored on base course wall with crab-bolt；Successively lay sheet material from the bottom to top on keel, the wide 1 ~ 1.5cm of plate stitch, sealed with silicone sealant；After the completion for the treatment of layer of plate laying, toward the cavity of sheet material and base course wall in slip casting, carry out next layer of laying again after cavity is filled.The present invention root out without carrying out large area to original building alien invasion, convenient, the transformation for the existing building that is particularly suitable for use in of constructing, while avoid building using there is the problem of ponding, seepage that cavity body system easily occurs after certain time limit.

Description

Dry-hang exterior wall repairing and reinforcing method
Technical field
The present invention relates to exterior wall repairing technique field, more particularly to a kind of dry-hang exterior wall repairing and reinforcing method.
Background technology
External wall, which has, to be undertaken a constant load, shading wind and rain, insulation, prevents the work(such as noise and fire safety Energy, it is the important component of wall body structure.At present, external wall mostly by concrete block masonries such as concrete segment, fired bricks and Into, and, it is necessary to plug-in insulation material in work progress.External wall leakage problems are led to as construction engineering quality at present Disease, it is known as building " cancer ".Current method for repairing and mending carries out large area to original building alien invasion and rooted out, and construction is cumbersome, after repairing Building using there is the problem of ponding, seepage that cavity body system easily occurs after certain time limit.
The content of the invention
The present invention solves the technical problem of a kind of dry-hang exterior wall repairing and reinforcing method is provided, without to original building Alien invasion carries out large area and rooted out, convenient, the transformation for the existing building that is particularly suitable for use in of constructing, while avoids building and use one The problem of determining the ponding, the seepage that there is after the time limit cavity body system easily to occur.
In order to solve the above technical problems, one aspect of the present invention is：A kind of dry-hang exterior wall repairing is provided Reinforcement means, comprise the following steps：
（1）In original building exterior wall laydown, keel are anchored on base course wall with crab-bolt；
（2）Successively lay sheet material from the bottom to top on keel, the wide 1 ~ 1.5cm of plate stitch, sealed with silicone sealant；
（3）Treat layer of plate laying after the completion of, toward the cavity of sheet material and base course wall in slip casting, carried out again after cavity is filled Next layer of laying.
In a preferred embodiment of the present invention, described keel are lightgage steel joist.
In a preferred embodiment of the present invention, described sheet material is decorative panel or insulation and decoration integrated plate.
In a preferred embodiment of the present invention, described injecting paste material is hard-foam polyurethane, foam cement or special note Starch mortar.
In a preferred embodiment of the present invention, described special slip casting mortar includes the raw material of following weight content：Silicon Acid salt cement 18 ~ 28%, special cement 0 ~ 4%, flyash 0 ~ 10%, sand 45 ~ 70%, lightweight aggregate 0 ~ 8%, water-loss reducer 0.02 ~ 0.1%, Water reducer 0.05 ~ 1%, redispersable latex powder 2 ~ 5%, thixotropic agent 0 ~ 0.5%.
In a preferred embodiment of the present invention, described decorative panel is for dry-hang stone panel, cement fibrolite plate or with dress The calcium silicate board with microporous of facing；In described insulation and decoration integrated plate heat-insulation layer be EPS sheet, XPS plate, rock cotton board, modified polyphenyl plate or Cement foam board, finish coat are aluminium sheet, calcium silicate board with microporous, cement fibrolite plate or the thin stone material of decorative surface.
In a preferred embodiment of the present invention, described special cement is in aluminate cement and sulphate aluminium cement One kind, flyash are I level flyash.
In a preferred embodiment of the present invention, described water-loss reducer is methyl cellulose ether, cellulose ether and third One kind in base cellulose ether, water reducer are one kind in naphthalene system, melamine system and poly carboxylic acid series water reducer.
In a preferred embodiment of the present invention, described redispersable latex powder is acrylic latex powder and vinyl acetate One kind in latex powder, thixotropic agent are one kind in rod soil and bentonite.
The beneficial effects of the invention are as follows：
1st, the present invention roots out without carrying out large area to original building alien invasion, and construction is convenient, and the existing building that is particularly suitable for use in changes Make；
2nd, the present invention is formed no cavity system, is prevented fires, be safe, avoided simultaneously using the double-mode of cladding filling slurry Building is using there is the problem of ponding, seepage that cavity body system easily occurs after certain time limit.
Embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation Example is only the part of the embodiment of the present invention, rather than whole embodiments.It is common based on the embodiment in the present invention, this area All other embodiment that technical staff is obtained under the premise of creative work is not made, belong to the model that the present invention protects Enclose.
Embodiment 1
A kind of dry-hang exterior wall repairing and reinforcing method, comprises the following steps：
（1）Lightgage steel joist is laid in original building exterior wall, lightgage steel joist is anchored on base course wall with crab-bolt；
（2）Successively lay sheet material from the bottom to top on lightgage steel joist, the wide 1cm of plate stitch, sealed with silicone sealant；
（3）Treat layer of plate laying after the completion of, toward the cavity of sheet material and base course wall in slip casting, carried out again after cavity is filled Next layer of laying.
Wherein, described sheet material is cement fibrolite plate decorative panel, and described injecting paste material special slip casting mortar, described is special Include the raw material of following weight content with slip casting mortar：Portland cement 28%, I levels flyash 10%, sand 47.4%, lightweight aggregate 8%, Methyl cellulose ether water-loss reducer 0.1%, naphthalene water reducer 1%, acrylic latex powder 5%, rod soil thixotropic agent 0.5%.
Embodiment 2
A kind of dry-hang exterior wall repairing and reinforcing method, comprises the following steps：
（1）Lightgage steel joist is laid in original building exterior wall, lightgage steel joist is anchored on base course wall with crab-bolt；
（2）Successively lay sheet material from the bottom to top on lightgage steel joist, the wide 1.5cm of plate stitch, sealed with silicone sealant；
（3）Treat layer of plate laying after the completion of, toward the cavity of sheet material and base course wall in slip casting, carried out again after cavity is filled Next layer of laying.
Wherein, described sheet material is insulation and decoration integrated plate, and heat-insulation layer is changes in described insulation and decoration integrated plate Property styrofoam, finish coat be decorative surface aluminium sheet；Described injecting paste material special slip casting mortar, described special slip casting mortar bag Include the raw material of following weight content：Portland cement 18%, sulphate aluminium cement 4%, I levels flyash 4.57%, sand 70%, ethyl are fine Tie up plain ether water-loss reducer 0.06%, melamine based water reducer 0.07%, vinyl acetate emulsion powder 3%, bentonite thixotropic agent 0.3%.
Embodiment 3
A kind of dry-hang exterior wall repairing and reinforcing method, comprises the following steps：
（1）Lightgage steel joist is laid in original building exterior wall, lightgage steel joist is anchored on base course wall with crab-bolt；
（2）Successively lay sheet material from the bottom to top on lightgage steel joist, the wide 1.2cm of plate stitch, sealed with silicone sealant；
（3）Treat layer of plate laying after the completion of, toward the cavity of sheet material and base course wall in slip casting, carried out again after cavity is filled Next layer of laying.
Wherein, described sheet material is insulation and decoration integrated plate, and heat-insulation layer is EPS in described insulation and decoration integrated plate Plate, finish coat are the aluminium sheet of decorative surface；Described injecting paste material is special slip casting mortar, described special slip casting mortar include with The raw material of lower weight content：Portland cement 23%, sulphate aluminium cement 2%, sand 68.93%, lightweight aggregate 4%, propyl cellulose ether Water-loss reducer 0.02%, poly carboxylic acid series water reducer 0.05%, acrylic latex powder 2%.
The present invention roots out without carrying out large area to original building alien invasion, and construction is convenient, and be particularly suitable for use in existing building Transformation；The present invention is formed no cavity system, is prevented fires, be safe, while avoided and build using the double-mode of cladding filling slurry Thing is built using there is the problem of ponding, seepage that cavity body system easily occurs after certain time limit.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair The equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks Domain, it is included within the scope of the present invention.

Claims (9)

  1. A kind of 1. dry-hang exterior wall repairing and reinforcing method, it is characterised in that comprise the following steps：
    （1）In original building exterior wall laydown, keel are anchored on base course wall with crab-bolt；
    （2）Successively lay sheet material from the bottom to top on keel, the wide 1 ~ 1.5cm of plate stitch, sealed with silicone sealant；
    （3）Treat layer of plate laying after the completion of, toward the cavity of sheet material and base course wall in slip casting, carried out again after cavity is filled Next layer of laying.
  2. 2. dry-hang exterior wall repairing and reinforcing method according to claim 1, it is characterised in that described keel are light steel dragon Bone.
  3. 3. dry-hang exterior wall repairing and reinforcing method according to claim 1, it is characterised in that described sheet material is decorative panel Or insulation and decoration integrated plate.
  4. 4. dry-hang exterior wall repairing and reinforcing method according to claim 1, it is characterised in that described injecting paste material is hard Steep polyurethane, foam cement or special slip casting mortar.
  5. 5. dry-hang exterior wall repairing and reinforcing method according to claim 4, it is characterised in that described special slip casting mortar Include the raw material of following weight content：Portland cement 18 ~ 28%, special cement 0 ~ 4%, flyash 0 ~ 10%, sand 45 ~ 70%, gently Aggregate 0 ~ 8%, water-loss reducer 0.02 ~ 0.1%, water reducer 0.05 ~ 1%, redispersable latex powder 2 ~ 5%, thixotropic agent 0 ~ 0.5%.
  6. 6. dry-hang exterior wall repairing and reinforcing method according to claim 3, it is characterised in that described decorative panel is cladding Stone panel, cement fibrolite plate or the calcium silicate board with microporous with decorative cover；In described insulation and decoration integrated plate heat-insulation layer be EPS sheet, XPS plate, rock cotton board, modified polyphenyl plate or cement foam board, finish coat is the aluminium sheet of decorative surface, calcium silicate board with microporous, cement fibrolite plate or The thin stone material of person.
  7. 7. dry-hang exterior wall repairing and reinforcing method according to claim 5, it is characterised in that described special cement is aluminium One kind in acid salt cement and sulphate aluminium cement, flyash are I level flyash.
  8. 8. dry-hang exterior wall repairing and reinforcing method according to claim 5, it is characterised in that described water-loss reducer is methyl One kind in cellulose ether, cellulose ether and propyl cellulose ether, water reducer are naphthalene system, melamine system and polycarboxylic-acid diminishing One kind in agent.
  9. 9. dry-hang exterior wall repairing and reinforcing method according to claim 5, it is characterised in that described Redispersable latex Powder is one kind in acrylic latex powder and vinyl acetate emulsion powder, and thixotropic agent is one kind in rod soil and bentonite.
CN201710984214.0A 2017-10-20 2017-10-20 Dry-hanging type external wall repairing and reinforcing method Active CN107806250B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710984214.0A CN107806250B (en) 2017-10-20 2017-10-20 Dry-hanging type external wall repairing and reinforcing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710984214.0A CN107806250B (en) 2017-10-20 2017-10-20 Dry-hanging type external wall repairing and reinforcing method

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CN107806250A true CN107806250A (en) 2018-03-16
CN107806250B CN107806250B (en) 2020-09-11

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109083440A (en) * 2018-09-30 2018-12-25 安徽远山电力工程有限公司 A kind of no cavity exterior wall repairing and reinforcing method
CN109826387A (en) * 2019-02-13 2019-05-31 江苏尼高科技有限公司 It is non-to root out formula outer thermal-insulation decorative restorative procedure

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101187259A (en) * 2007-12-05 2008-05-28 北京住总集团有限责任公司 Dry-hanging keel decorative board heat insulation composite wall and its construction method
CN103771806A (en) * 2014-01-21 2014-05-07 厦门力嘉诚防水工程有限公司 Concrete crack repairing waterproof coating
CN203729464U (en) * 2014-02-14 2014-07-23 吕国兵 Decorative thermal insulation composite wall
CN203821627U (en) * 2014-03-07 2014-09-10 霍学朝 Wall structure system with light steel keels, and wall
CN105503072A (en) * 2015-12-10 2016-04-20 华砂砂浆有限责任公司 Tile grout composition and preparation method and application thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101187259A (en) * 2007-12-05 2008-05-28 北京住总集团有限责任公司 Dry-hanging keel decorative board heat insulation composite wall and its construction method
CN103771806A (en) * 2014-01-21 2014-05-07 厦门力嘉诚防水工程有限公司 Concrete crack repairing waterproof coating
CN203729464U (en) * 2014-02-14 2014-07-23 吕国兵 Decorative thermal insulation composite wall
CN203821627U (en) * 2014-03-07 2014-09-10 霍学朝 Wall structure system with light steel keels, and wall
CN105503072A (en) * 2015-12-10 2016-04-20 华砂砂浆有限责任公司 Tile grout composition and preparation method and application thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
宗可锋等: ""外饰面干挂瓷砖现浇UF保温施工技术研究"", 《建设科技》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109083440A (en) * 2018-09-30 2018-12-25 安徽远山电力工程有限公司 A kind of no cavity exterior wall repairing and reinforcing method
CN109826387A (en) * 2019-02-13 2019-05-31 江苏尼高科技有限公司 It is non-to root out formula outer thermal-insulation decorative restorative procedure

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