CN105464396A - Reinforcing method for external wall of protective historical building - Google Patents

Reinforcing method for external wall of protective historical building Download PDF

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Publication number
CN105464396A
CN105464396A CN201510787105.0A CN201510787105A CN105464396A CN 105464396 A CN105464396 A CN 105464396A CN 201510787105 A CN201510787105 A CN 201510787105A CN 105464396 A CN105464396 A CN 105464396A
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China
Prior art keywords
exterior
external
reinforcement
reinforcing
waterproof mortar
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CN201510787105.0A
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Chinese (zh)
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CN105464396B (en
Inventor
魏强
潘慧卫
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上海建工五建集团有限公司
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00Working measures on existing buildings
    • E04G23/02Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0296Repairing or restoring facades

Abstract

The invention relates to a reinforcing method for an external wall of a protective historical building, and belongs to the technical field of building construction. The reinforcing method aims at improving the waterproof performance and the earthquake-resistant performance of the external wall of the protective historical building under the condition of highly restoring the historical original appearance of the building external wall. The reinforcing method comprises the following steps of firstly, peeling plaster of an outer side wall body and an inner side wall body of the external wall to expose an external wall brick surface; then, replacing bricks, not conforming to the intensity requirements, of the external wall by bricks, conforming to the intensity requirements, of an inner wall, and performing alkaline removing treatment; next, patching brick seams of the outer side wall body of the external wall; then, sequentially painting a reinforcing agent and a water repellent on the surface of the outer side wall body of the external wall; next, painting a waterproof mortar layer on the inner side wall body of the external wall; and finally, pouring an inner lining wall outside the waterproof mortar layer, and respectively anchoring and connecting steel bars of the inner lining wall with framework columns and framework girders inside the protective historical building.

Description

A kind of historical protective buildings exterior wall reinforcement means
Technical field
The present invention relates to technical field of building construction, particularly a kind of historical protective buildings exterior wall reinforcement means.
Background technology
Historical protective buildings more or less suffered destruction in various degree because of a variety of causes, and up to now all through repeatedly repairing, original body of wall breakage is also filled by materials such as blue bricks.Thus, existing strengthening by reparative method mode destroys the Historic original appearance of its building all to a certain extent, is difficult to its historical rudiment of complete reproduction.Therefore; as how " authenticity ", " identifiability ", " minimum of interference " are principle; a kind of reasonable, appropriate protected mode is provided; highly reduce the Historic original appearance of this external wall; and do not affect its structural feature; realization can improve the water resistance of this external wall, can improve again the reinforcement means of this exterior wall anti-seismic performance, is the technical problem that those skilled in the art need solution badly.
Summary of the invention
The object of the present invention is to provide a kind of historical protective buildings exterior wall reinforcement means, when highly reducing external wall Historic original appearance, improving water resistance and the anti-seismic performance of its exterior wall.
For solving the problems of the technologies described above, technical scheme of the present invention is as follows:
A kind of historical protective buildings exterior wall reinforcement means, comprises the steps:
Step one, divest described exterior wall whitewash face;
Step 2, to replace with the interior wall fragment of brick meeting requirement of strength and do not meet the exterior wall brick of requirement of strength, and carry out except alkali construction to described outer surface of wall;
Step 3, clear up described exterior wall external wall surface surface dust, and brickwork joint is repaired;
Step 4, outside described exterior wall body of wall brushing reinforcing agent and hydrophober successively;
Step 5, side wall body smears waterproof mortar course within the walls outside;
Step 6, set up inwall on described waterproof mortar course surface.
Further, described step one comprises and adopts artificial or machinery to divest inner side of outer wall wall plastering face and wall plastering face, outside.
Further, the M10 grade high-strength cement mortar adopting fine sand to mix in described step 3 carries out brickwork joint repairing.
Further, the thickness of described waterproof mortar course is 3mm.
Further, described step 6 comprises:
The first step, arranges reinforced mesh on described waterproof mortar course surface, and by the frame column of described reinforced mesh and described historical protective buildings inside and Vierendeel girder anchor connection;
Second step, in described reinforced mesh surface erection template;
3rd step, casting and compacting of concrete forms described inwall.Further, described bar diameter is 6mm, arranges form described reinforced mesh according to the spacing double-layer double-direction of 150mm.
Further, the thickness of described inwall is 70mm.
Further, described hydrophober is opaque organic silicon solution.
Compared with prior art, the technique effect that the present invention is useful is: historical protective buildings exterior wall reinforcement means provided by the invention, first divests body of wall and whitewashing of inner side of outer wall body of wall outside exterior wall and shows out exterior wall tile face; Next replaces with the fragment of brick that interior wall meets requirement of strength the fragment of brick that exterior wall does not meet requirement of strength, and carries out except alkali treatment; Then exterior wall brickwork joint is repaired; Then at exterior wall external wall body successively brushing reinforcing agent and hydrophober; Then side wall plastering waterproof mortar course within the walls outside; Last at waterproof mortar course outer filling inwall, the reinforcing bar of inwall respectively with building interior frame column and Vierendeel girder anchor connection.These reinforcement measures, when highly reducing historical protective buildings Historic original appearance, add the shock resistance of exterior wall, stability and water proofing property.This reinforcement means is easy and simple to handle, saves construction cost, has good promotional value.
Accompanying drawing explanation
Fig. 1 is the structural representation in one embodiment of the invention after the reinforcing of historical protective buildings exterior wall.
In figure:
Body of wall outside A-exterior wall; B-inner side of outer wall body of wall;
1-brick wall; 2-brickwork joint; 3-waterproof mortar course; 40-inwall.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the historical protective buildings exterior wall reinforcement means that the present invention proposes is described in further detail.According to the following describes and claims, advantages and features of the invention will be clearer.It should be noted that, accompanying drawing all adopts the form that simplifies very much and all uses non-ratio accurately, only in order to object that is convenient, the aid illustration embodiment of the present invention lucidly.For sake of convenience, hereinafter described " on ", D score is consistent with the upper and lower direction of accompanying drawing, but this can not become the restriction of technical solution of the present invention.
A kind of historical protective buildings exterior wall reinforcement means of the present invention is described in detail below in conjunction with Fig. 1.
Embodiment one
In figure, A is body of wall outside exterior wall, and namely exterior wall is positioned at outdoor part, and B is inner side of outer wall body of wall, and namely exterior wall is positioned at indoor part, and when strengthening construction, outside exterior wall, body of wall A and inner side of outer wall body of wall B has carried out waterproof and strengthening construction respectively.Incorporated by reference to reference to figure 1, a kind of historical protective buildings exterior wall reinforcement means, comprises the following steps:
S001: what divest exterior wall whitewashes face, makes brick wall 1 come out, and carries out reinforcing and waterproof construction to facilitate in subsequent handling body of wall A and inner side of outer wall body of wall B inside External Wall.When divesting, can select manual operation, what namely hand-held small-sized machine (Churn drill or little pneumatic pick) carefully divested body of wall A and inner side of outer wall body of wall B outside exterior wall whitewashes face.
S002: replace the exterior wall brick not meeting requirement of strength with the interior wall fragment of brick meeting requirement of strength, and outside External Wall, body of wall A and inner side of outer wall body of wall B metope carry out except alkali construction.Highly reducing the effect of exterior wall Historic original appearance to reach while carrying out reinforcing at External Wall, utilizing that interior wall in this historical protective buildings is removed and the satisfactory fragment of brick of intensity damaged, loose and cause intensity not meet the fragment of brick of requirement of strength to replace exterior wall internal cause.After historical protective buildings exterior wall meets with rainwater or wet weather repeatedly; along with the migration of steam; soluble-salt buck in the constructional materialss such as coating can strengthen precipitation dynamics gradually; therefore cause from position local deepened, dull, the concurrent crystalline solid of separating out white of plate seam such as wall seam, the foot of a wall and metopes; do not take off all the year round after oozing out metope; have a strong impact on outward appearance, this kind of phenomenon is called accumulation of salt in the surface soil phenomenon.The metope accumulation of salt in the surface soil not only affects the outward appearance of exterior wall, and affects the quality of wall plaster, more seriously causes wall body structure potential safety hazard.Therefore, the brick surface layer of metope accumulation of salt in the surface soil inorganic agent to whiting can be adopted to carry out except alkali treatment.
S003: body of wall A surface surface dust outside cleaning exterior wall, and the brickwork joint 2 that outside External Wall, body of wall A is exposed is repaired.The M10 grade high-strength cement mortar mainly adopting fine sand to mix when repairing brickwork joint 2, forms a complete stress system to make whole exterior wall.
S004: at exterior wall external wall body A brushing reinforcing agent and hydrophober successively.That is, body of wall A surface first brushing one deck reinforcing agent outside exterior wall after the repair has been completed, reach the effect strengthening body of wall A intensity outside exterior wall, then to reach after requirement brushing one deck hydrophober again, to improve the waterproof effect of body of wall A outside exterior wall until this reinforcing agent coating.The opaque organic silicon solution of usual selection is as hydrophober.
S005: in order to strengthen sealing and the water proofing property of body of wall A outside exterior wall, side wall body B smears waterproof mortar course 3 within the walls outside.In order to reach good waterproof effect, the thickness of general waterproof mortar course 3 is 3mm.
S006: in order to strengthen the anti-seismic performance of the whole body of wall of exterior wall further, even if inwall 4 is also poured on its surface outside waterproof mortar course 3.That is, inwall 4 is built on inner side of outer wall body of wall B.In order to avoid smashing produced space and hollowing because of disposable watering, reduce strength of wall body, this inwall 4 points waters for four times to be smash, and from top to bottom once waters every four hours and smashes.Specifically, on waterproof mortar course 3 surface, the first step arranges that (bar diameter is 6mm to 6150 reinforcing bars, spacing between adjacent two skin reinforcing bars is 150mm), form double-layer double-direction reinforced mesh, and the surrounding Vierendeel girder of reinforcing bar and this historical protective buildings inside and frame column are carried out anchor connection; Second step is in reinforced mesh surface erection template; 3rd step divide four times be in the milk water smash formed inwall 4.Certainly, be mixed with waterproofing admixture in the concrete slurry adopted, a more common such as triumphant waterproofing admixture, to reach good waterproof effect.By setting up inwall 4, particularly floor existing to its reinforcing bar and historical building, frame column and Vierendeel girder being connected, improve shear resistance and the stability of the whole outer wall body of historical protective buildings, thus enhancing the anti-seismic performance of this historical building.
In sum, historical protective buildings exterior wall reinforcement means of the present invention, first divests external rendering and shows out exterior wall tile face; Next replaces with the fragment of brick that interior wall meets requirement of strength the fragment of brick that exterior wall does not meet requirement of strength, and carries out except alkali treatment; Then exterior wall brickwork joint is repaired; Then at exterior wall external wall body successively brushing reinforcing agent and hydrophober; Then side wall plastering waterproof mortar course within the walls outside; Finally at waterproof mortar course surface perfusion inwall, the reinforcing bar of inwall respectively with building interior frame column and Vierendeel girder anchor connection.These reinforcement measures, when highly reducing historical protective buildings Historic original appearance, add the shock resistance of exterior wall, stability and water proofing property.Thus the shock resistance of increase exterior wall, stability and water proofing property.This reinforcement means is easy and simple to handle, saves construction cost, has good promotional value.
Foregoing description is only the description to present pre-ferred embodiments, any restriction not to the scope of the invention, and any change that the those of ordinary skill in field of the present invention does according to above-mentioned disclosure, modification, all belong to the protection domain of claims.

Claims (8)

1. a historical protective buildings exterior wall reinforcement means, is characterized in that, comprises the steps:
Step one, divest described exterior wall whitewash face;
Step 2, to replace with the interior wall fragment of brick meeting requirement of strength and do not meet the exterior wall brick of requirement of strength, and carry out except alkali construction to described outer surface of wall;
Step 3, clear up described exterior wall external wall surface surface dust, and brickwork joint is repaired;
Step 4, outside described exterior wall body of wall brushing reinforcing agent and hydrophober successively;
Step 5, side wall body smears waterproof mortar course within the walls outside;
Step 6, set up inwall on described waterproof mortar course surface.
2. reinforcement means as claimed in claim 1, is characterized in that, described step one comprises and adopts artificial or machinery to divest inner side of outer wall wall plastering face and wall plastering face, outside.
3. reinforcement means as claimed in claim 1, it is characterized in that, the M10 grade high-strength cement mortar adopting fine sand to mix in described step 3 carries out brickwork joint repairing.
4. reinforcement means as claimed in claim 1, it is characterized in that, the thickness of described waterproof mortar course is 3mm.
5. reinforcement means as claimed in claim 1, it is characterized in that, described step 6 comprises: the first step, arranges reinforced mesh on described waterproof mortar course surface, and by the frame column of described reinforced mesh and described historical protective buildings inside and Vierendeel girder anchor connection; Second step, in described reinforced mesh surface erection template; 3rd step, casting and compacting of concrete forms described inwall.
6. reinforcement means as claimed in claim 5, it is characterized in that, described bar diameter is 6mm, arranges form described reinforced mesh according to the spacing double-layer double-direction of 150mm.
7. reinforcement means as claimed in claim 1, it is characterized in that, the thickness of described inwall is 70mm.
8. reinforcement means as claimed in claim 1, it is characterized in that, described hydrophober is opaque organic silicon solution.
CN201510787105.0A 2015-11-16 2015-11-16 A kind of historical protective buildings exterior wall reinforcement means Active CN105464396B (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106592996A (en) * 2016-11-02 2017-04-26 中国建筑第八工程局有限公司 Reconstructing method for small foreign-style house
CN108166773A (en) * 2017-12-29 2018-06-15 上海住总集团建设发展有限公司 A kind of restored method and recovering structure of historical building mosaic
CN108222532A (en) * 2017-12-29 2018-06-29 上海住总集团建设发展有限公司 A kind of method for cleaning being used for the granitic plaster alien invasion of historical building
CN108386000A (en) * 2018-02-11 2018-08-10 宁夏大学 A kind of history relic building repairing method
CN109403650A (en) * 2018-09-12 2019-03-01 上海市建筑装饰工程集团有限公司 Historical building exterior wall plucking, dabbing painting metope do aging method
CN110748191A (en) * 2019-10-22 2020-02-04 重庆市园林建筑工程(集团)股份有限公司 Method for integrally moving and resetting fire-sealing wall

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Publication number Priority date Publication date Assignee Title
KR20090033573A (en) * 2007-10-01 2009-04-06 한국과학기술원 Retrofitting and strengthening system of concrete structures using sprayed frp coating
CN101429816A (en) * 2007-11-07 2009-05-13 上海市建筑装饰工程有限公司 Historical building clean water red brick wall renovation technique
CN201962877U (en) * 2011-01-07 2011-09-07 上海市第二建筑有限公司 Reinforcing net for building wall
CN102392542A (en) * 2011-11-29 2012-03-28 上海市第四建筑有限公司 Unilateral-ribbing anti-seismic reinforcing method for existing brickwork structure
CN103195259A (en) * 2013-03-22 2013-07-10 上海交通大学 Foam concrete prefabricated slab and method for reinforcing concrete structure by same
CN103590616A (en) * 2013-11-08 2014-02-19 湖南大兴加固改造工程有限公司 Reactive powder fiber concrete reinforced concrete column and reinforcement method
CN105040999A (en) * 2015-07-22 2015-11-11 德清扬泰建筑材料有限公司 Building old outer wall reconstruction structure

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090033573A (en) * 2007-10-01 2009-04-06 한국과학기술원 Retrofitting and strengthening system of concrete structures using sprayed frp coating
CN101429816A (en) * 2007-11-07 2009-05-13 上海市建筑装饰工程有限公司 Historical building clean water red brick wall renovation technique
CN201962877U (en) * 2011-01-07 2011-09-07 上海市第二建筑有限公司 Reinforcing net for building wall
CN102392542A (en) * 2011-11-29 2012-03-28 上海市第四建筑有限公司 Unilateral-ribbing anti-seismic reinforcing method for existing brickwork structure
CN103195259A (en) * 2013-03-22 2013-07-10 上海交通大学 Foam concrete prefabricated slab and method for reinforcing concrete structure by same
CN103590616A (en) * 2013-11-08 2014-02-19 湖南大兴加固改造工程有限公司 Reactive powder fiber concrete reinforced concrete column and reinforcement method
CN105040999A (en) * 2015-07-22 2015-11-11 德清扬泰建筑材料有限公司 Building old outer wall reconstruction structure

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106592996A (en) * 2016-11-02 2017-04-26 中国建筑第八工程局有限公司 Reconstructing method for small foreign-style house
CN106592996B (en) * 2016-11-02 2019-06-14 中国建筑第八工程局有限公司 The construction method that small ocean housing reform is made
CN108166773A (en) * 2017-12-29 2018-06-15 上海住总集团建设发展有限公司 A kind of restored method and recovering structure of historical building mosaic
CN108222532A (en) * 2017-12-29 2018-06-29 上海住总集团建设发展有限公司 A kind of method for cleaning being used for the granitic plaster alien invasion of historical building
CN108222532B (en) * 2017-12-29 2020-04-10 上海住总集团建设发展有限公司 Method for cleaning rubble facade of historical building
CN108386000A (en) * 2018-02-11 2018-08-10 宁夏大学 A kind of history relic building repairing method
CN109403650A (en) * 2018-09-12 2019-03-01 上海市建筑装饰工程集团有限公司 Historical building exterior wall plucking, dabbing painting metope do aging method
CN110748191A (en) * 2019-10-22 2020-02-04 重庆市园林建筑工程(集团)股份有限公司 Method for integrally moving and resetting fire-sealing wall

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