CN102943569A - Old brickwork comprehensive reinforcing structure and construction method thereof - Google Patents
Old brickwork comprehensive reinforcing structure and construction method thereof Download PDFInfo
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- CN102943569A CN102943569A CN2012104685776A CN201210468577A CN102943569A CN 102943569 A CN102943569 A CN 102943569A CN 2012104685776 A CN2012104685776 A CN 2012104685776A CN 201210468577 A CN201210468577 A CN 201210468577A CN 102943569 A CN102943569 A CN 102943569A
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 62
- 238000010276 construction Methods 0.000 title description 10
- 239000010410 layer Substances 0.000 claims abstract description 22
- 239000011229 interlayer Substances 0.000 claims abstract description 19
- 239000002131 composite material Substances 0.000 claims abstract description 18
- 229920000642 polymer Polymers 0.000 claims abstract description 18
- 239000000835 fiber Substances 0.000 claims abstract description 10
- 238000007596 consolidation process Methods 0.000 claims description 24
- 230000002787 reinforcement Effects 0.000 claims description 23
- 238000009424 underpinning Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 7
- 238000005728 strengthening Methods 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 6
- 239000011150 reinforced concrete Substances 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- 239000004567 concrete Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 238000005488 sandblasting Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 241001519451 Abramis brama Species 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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Abstract
The invention relates to an old brickwork comprehensive reinforcing structure. A gable wall of the original structure is externally provided with a reinforcing outer cover structure which has the same height as that of the garble wall, the surfaces of vertical and horizontal walls in the original structure are coated with a stripped fiber polymer composite material layer, the reinforcing outer cover structure is an outer reinforcing frame formed by fixing beams, bottom layer reinforcing columns, interlayer reinforcing columns, reinforcing supports and reinforcing foundations, the top surfaces of the reinforcing foundations are flush with the top surface of the foundation of the original structure, the bottom layer reinforcing columns are supported on the reinforcing foundations, the interlayer reinforcing columns are supported on the bottom layer reinforcing columns, the reinforcing beams are supported on the top surfaces of the bottom layer reinforcing columns or the top surfaces of the reinforcing columns, at the connection position of the reinforcing breams and the original structure, the reinforcing beams stretch to the original structure to support and prop against the outer side of the gable wall of the original structure, and the reinforcing supports are arranged between the adjacent bottom layer reinforcing columns or the adjacent interlayer reinforcing columns. According to the reinforcing structure, the original structure is reinforced, simultaneously, the use area of a house can be increased, the reinforcing effect is good, and the reinforcing cost is low. The reinforcing structure can be widely used for reinforcing an old brickwork structure.
Description
Technical field
The present invention relates to a kind of ruggedized construction and job practices thereof, particularly a kind of masonry integrative consolidation structure and job practices thereof belong to the seismic hardening field.
Background technology
At present, China large tracts of land exists and the institute old house of the multistory brick-and-concrete structure of building before in use the eighties still, the building shortcomings such as premises ubiquity brick and mortar strength are lower, shockproof requirements is not satisfied in collar tie beam and constructional column setting, building panel mostly is the steel concrete prestressed concrete hollow floor, plate end bearing length does not meet the demands need be carried out the seismic hardening comprehensive reformation.And conventional reinforcement means such as board wall are reinforced, surface layer is reinforced, and all will take certain architectural space, reduce usable floor area, and destroyed original water, electricity, warm pipeline is installed and trend, bring difficulty for the reparation finishing after reinforcing, increased operating expenses, prolonged construction period.
Therefore, seek a kind of usable floor area and original building internal pipeline trend of not reducing, construction is simple, and the reinforced masonry wall method and structure form that consolidation effect is good is to continue performance to have defect house waste heat, reduces the important channel of the wasting of resources.
Summary of the invention
In order to overcome the problems referred to above, the present invention proposes a kind of old masonry integrative consolidation structure and job practices thereof, by overcoat ruggedized construction is set outside the original structure gable, and can not satisfy in overcoat ruggedized construction in the situation of shockproof requirements, peel off the fibre-forming polymer composite layer in the surface setting of the inner longitudinal cross wall of original structure, original structure is formed in the situation of dual seismic assurance, when not affecting the original structure inner space, increased its usable floor area.
To achieve these goals, the present invention has taked following technical scheme:
A kind of old masonry integrative consolidation structure, the reinforcing jacket structure contour with it is set outside the gable of original structure and scribbles on longitudinal cross wall surface, the inside of original structure and peel off the fibre-forming polymer composite layer, described reinforcing jacket structure is by reinforcement, the bottom reinforced column, the interlayer reinforced column, reinforce the external reinforcement framework that support and underpinning form, described underpinning end face is concordant with original structure basis end face, described bottom reinforced column is supported on underpinning, described interlayer reinforced column is supported on the bottom reinforced column, described reinforcement is supported on bottom reinforced column or interlayer reinforced column end face, stretching to original structure and propping up the gable lateral surface that withstands on original structure with the original structure junction, described reinforcing is supported and is arranged between adjacent the bottom reinforced column or interlayer reinforced column.
The described thickness of peeling off the fibre-forming polymer composite layer is no more than 7mm.
Described reinforcement, bottom reinforced column and interlayer reinforced column are reinforced concrete structure, and its sectional dimension is 250x250mm, and strength grade of concrete is C30.
Described reinforcing is supported for herringbone or splayed.
Described reinforcing is supported for reinforced concrete support or steel supports, and its sectional dimension is 150x120mm.
The job practices of described a kind of old masonry integrative consolidation structure, the comprehensive strengthening method for overcoat reinforcing and jeting fiber polymer composites comprises the steps:
Step 1: according to the reinforcing increase-volume requirement of original structure, confirm the reinforcing width of original structure;
Step 2: the underpinning of reinforcing jacket structure in original structure gable arranged outside;
Step 3: the bottom of bottom reinforced column is fixedly connected with underpinning;
Step 4: reinforcement is erected at bottom reinforced column end face, and is fixedly connected with it; Reinforcement props up the lateral surface that withstands on the original structure gable near the original structure gable end;
Step 5: successively reinforced column and reinforcement between mounting layer, and support arranging between the reinforced column between adjacent layer to reinforce, until concordant with the original structure top;
Step 6: whether the shear-carrying capacity of the inside longitudinal cross wall after the checking computations structural strengthening satisfies shockproof requirements;
Step 7: ungratified wall section surface adopts spraying tool jeting fiber polymer composites to carry out second consolidation;
Step 8: check integrative consolidation anti seismic efficiency and security performance.
In the described step 7, for guarantee strengthening structural bearing capacity, pastes 1～2 layer of glass fabric when the jeting fiber polymer composites, its stickup flow process is for sandblasting → patch → sandblast → patch.
The described spraying tool of described step 7 is chopped spray-moulding machine, and its environment for use temperature should be controlled at 25 ± 5 ℃, and jet thickness is no more than 7mm.
Described chopped spray-moulding machine short glass fiber length is 8～48mm.
Beneficial effect
Ruggedized construction of the present invention is fully different from traditional masonry structure reinforcing thinking, when realizing reliable anti-seismic performance, not only can be because not reinforcing the usage space that reduces original structure inside, and can increase the usable floor area of original building, kill two birds with one stone, overcome the defective that existing reinforced masonry wall technology is attended to one thing and lose sight of another.
The present invention treats with a certain discrimination because the structural element function is different the reinforcing of masonry structure, gable is adopted overcoat ruggedized construction, provide lateral support to original structure, enlarge simultaneously the usable floor area of original structure, can not satisfy in overcoat ruggedized construction in the situation of shockproof requirements, to the longitudinal cross wall of inside, for avoiding taking the interior space, adopt the reinforcing mode at its side sprayed glass fibre-forming polymer composite material, form duet, for original structure provides antidetonation guarantee safe against all possibilities, really do not affect the use of original building at all, also need not the warm ancillary facility of the water power of original building inside is changed, construction is simple, consolidation effect is good, and saving of work and time is cheap.
Description of drawings
Fig. 1 is reinforcing jacket structure elevational schematic view of the present invention.
Fig. 2 is of the present invention to front elevation view after the original structure reinforcing.
Fig. 3 is of the present invention to side elevational view after the original structure reinforcing.
Among the figure, 1 reinforcement; 2 reinforce support; 3 interlayer reinforced columns; 4 bottom reinforced columns; 5 underpinnings; 6 original structures.
The specific embodiment
Embodiment as Figure 1-3, a kind of old masonry integrative consolidation structure, the reinforcing jacket structure contour with it is set outside the gable of original structure 6 and scribbles on longitudinal cross wall surface, the inside of original structure 6 and peel off the fibre-forming polymer composite layer, described reinforcing jacket structure is by reinforcement 1, bottom reinforced column 4, interlayer reinforced column 3, reinforce the external reinforcement framework that support 2 and underpinning 5 form, described underpinning 5 end faces are concordant with original structure basis end face, described bottom reinforced column 4 is supported on underpinning 5, described interlayer reinforced column 3 is supported on the bottom reinforced column 4, described reinforcement 1 is supported on bottom reinforced column 4 or interlayer reinforced column 3 end faces, stretching to original structure and propping up the gable lateral surface that withstands on original structure with the original structure junction, described reinforcing is supported and is arranged between adjacent the bottom reinforced column 4 or interlayer reinforced column 3.
The described thickness of peeling off the fibre-forming polymer composite layer is no more than 7mm.
Described reinforcement 1, bottom reinforced column 4 and interlayer reinforced column 3 are reinforced concrete structure, and its sectional dimension is 250x250mm, and strength grade of concrete is C30.
It is herringbone or splayed that described reinforcing supports 2.
It is that reinforced concrete support or steel support that described reinforcing supports 2, and its sectional dimension is 150x120mm.
The job practices of described old masonry integrative consolidation structure, the comprehensive strengthening method for overcoat reinforcing and jeting fiber polymer composites comprises the steps:
Step 1: according to the reinforcing increase-volume requirement of original structure, confirm the reinforcing width of original structure;
Step 2: the underpinning 5 of reinforcing jacket structure in original structure gable arranged outside;
Step 3: the bottom of bottom reinforced column 4 is fixedly connected with underpinning 5;
Step 4: reinforcement 1 is erected at bottom reinforced column 4 end faces, and is fixedly connected with it; Reinforcement 1 props up the lateral surface that withstands on the original structure gable near the original structure gable end;
Step 5: successively reinforced column 3 and reinforcement 1 between mounting layer, and between reinforced column between adjacent layer 3, arrange to reinforce and support 2, until concordant with the original structure top;
Step 6: whether the shear-carrying capacity of the inside longitudinal cross wall after the checking computations structural strengthening satisfies shockproof requirements;
Step 7: ungratified wall section surface adopts spraying tool jeting fiber polymer composites to carry out second consolidation, when the jeting fiber polymer composites, strengthen structural bearing capacity for assurance, paste 1～2 layer of glass fabric, it pastes flow process for sandblasting → patch → sandblast → patch; Described spraying tool is chopped spray-moulding machine, and its environment for use temperature should be controlled at 25 ± 5 ℃, and jet thickness is no more than 7mm.Described chopped spray-moulding machine short glass fiber length is 8～48mm.
Step 8: check integrative consolidation anti seismic efficiency and security performance.
More than be an exemplary embodiments of the present invention, enforcement of the present invention is not limited to this.
Claims (9)
1. old masonry integrative consolidation structure, it is characterized in that: the reinforcing jacket structure contour with it is set outside the gable of original structure (6) and scribbles on the longitudinal cross wall surface, inside of original structure (6) and peel off the fibre-forming polymer composite layer, described reinforcing jacket structure is by reinforcement (1), bottom reinforced column (4), interlayer reinforced column (3), reinforce the external reinforcement framework that supports (2) and underpinning (5) composition, described underpinning (5) end face is concordant with original structure basis end face, described bottom reinforced column (4) is supported on underpinning (5), described interlayer reinforced column (3) is supported on the bottom reinforced column (4), described reinforcement (1) is supported on bottom reinforced column (4) or interlayer reinforced column (3) end face, stretching to original structure and propping up the gable lateral surface that withstands on original structure with the original structure junction, described reinforcing is supported and is arranged between adjacent the bottom reinforced column (4) or interlayer reinforced column (3).
2. old masonry structure integrative consolidation structure according to claim 1, it is characterized in that: the described thickness of peeling off the fibre-forming polymer composite layer is no more than 7mm.
3. old masonry structure integrative consolidation structure according to claim 1, it is characterized in that: described reinforcement (1), bottom reinforced column (4) and interlayer reinforced column (3) are reinforced concrete structure, its sectional dimension is 250x250mm, and strength grade of concrete is C30.
4. old masonry structure integrative consolidation structure according to claim 1 is characterized in that: described reinforcing is supported (2) and is herringbone or splayed.
5. old masonry structure integrative consolidation structure according to claim 1 is characterized in that: described reinforcing is supported (2) and is supported for reinforced concrete support or steel, and its sectional dimension is 150x120mm.
6. according to claim 1 to the job practices of the described a kind of old masonry integrative consolidation structure of 5 any one, it is characterized in that: the comprehensive strengthening method for overcoat reinforcing and jeting fiber polymer composites comprises the steps:
Step 1: according to the reinforcing increase-volume requirement of original structure, confirm the reinforcing width of original structure;
Step 2: the underpinning (5) of reinforcing jacket structure in original structure gable arranged outside;
Step 3: the bottom of bottom reinforced column (4) is fixedly connected with underpinning (5);
Step 4: reinforcement (1) is erected at bottom reinforced column (4) end face, and is fixedly connected with it; Reinforcement (1) props up the lateral surface that withstands on the original structure gable near the original structure gable end;
Step 5: successively reinforced column (3) and reinforcement (1) between mounting layer, and between reinforced column between adjacent layer (3), arrange to reinforce and support (2), until concordant with the original structure top;
Step 6: whether the shear-carrying capacity of the inside longitudinal cross wall after the checking computations structural strengthening satisfies shockproof requirements;
Step 7: ungratified wall section surface adopts spraying tool jeting fiber polymer composites to carry out second consolidation;
Step 8: check integrative consolidation anti seismic efficiency and security performance.
7. the job practices of old masonry integrative consolidation structure according to claim 6, it is characterized in that: in the described step 7, when the jeting fiber polymer composites, strengthen structural bearing capacity for assurance, paste 1～2 layer of glass fabric, it pastes flow process for sandblasting → patch → sandblast → patch.
8. the job practices of old masonry integrative consolidation structure according to claim 6, it is characterized in that: the described spraying tool of described step 7 is chopped spray-moulding machine, and its environment for use temperature should be controlled at 25 ± 5 ℃, and jet thickness is no more than 7mm.
9. the job practices of old masonry integrative consolidation structure according to claim 8, it is characterized in that: described chopped spray-moulding machine short glass fiber length is 8～48mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210468577.6A CN102943569B (en) | 2012-11-15 | 2012-11-15 | Old brickwork comprehensive reinforcing structure and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210468577.6A CN102943569B (en) | 2012-11-15 | 2012-11-15 | Old brickwork comprehensive reinforcing structure and construction method thereof |
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| Publication Number | Publication Date |
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| CN102943569A true CN102943569A (en) | 2013-02-27 |
| CN102943569B CN102943569B (en) | 2015-04-01 |
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| CN201210468577.6A Expired - Fee Related CN102943569B (en) | 2012-11-15 | 2012-11-15 | Old brickwork comprehensive reinforcing structure and construction method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150119A (en) * | 2016-07-27 | 2016-11-23 | 姚攀峰 | A kind of industrialization high ductility space constraint reinforced masonry wall system and construction method thereof |
| CN106150121A (en) * | 2016-08-26 | 2016-11-23 | 姚攀峰 | A kind of storage Reformation for Explosion Proof structural system and construction method thereof |
| CN108360839A (en) * | 2018-03-26 | 2018-08-03 | 桂林理工大学 | A kind of old wall hardened system and its construction method |
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| JPH05141118A (en) * | 1991-11-21 | 1993-06-08 | Mitsubishi Steel Mfg Co Ltd | Earthquake-proof structure of steel frame system prefabricated house |
| JPH09242183A (en) * | 1996-03-11 | 1997-09-16 | Tomoe Corp | Earthquake-resistant frame structure |
| JP2815331B2 (en) * | 1995-11-13 | 1998-10-27 | 株式会社山菱 | Reinforcement structure of wooden building |
| CN201554235U (en) * | 2009-10-12 | 2010-08-18 | 上海维固工程实业有限公司 | Polymer modified cement mortar reinforcement mesh surface layer reinforcing structure |
| CN102003080A (en) * | 2010-11-24 | 2011-04-06 | 北京市建筑设计研究院 | Anti-seismic reinforcing structure and method of old brickwork building |
| CN201865365U (en) * | 2010-11-24 | 2011-06-15 | 北京市建筑设计研究院 | Anti-seismic reinforcing structure for old brickwork buildings |
| CN201933799U (en) * | 2010-11-25 | 2011-08-17 | 昆明理工大学 | Low-cost earthquake-resistant reinforcing door frame for purlin roof |
| CN203008403U (en) * | 2012-11-15 | 2013-06-19 | 北京筑福国际工程技术有限责任公司 | Comprehensive reinforcing structure for old masonry |
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2012
- 2012-11-15 CN CN201210468577.6A patent/CN102943569B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05141118A (en) * | 1991-11-21 | 1993-06-08 | Mitsubishi Steel Mfg Co Ltd | Earthquake-proof structure of steel frame system prefabricated house |
| JP2815331B2 (en) * | 1995-11-13 | 1998-10-27 | 株式会社山菱 | Reinforcement structure of wooden building |
| JPH09242183A (en) * | 1996-03-11 | 1997-09-16 | Tomoe Corp | Earthquake-resistant frame structure |
| CN201554235U (en) * | 2009-10-12 | 2010-08-18 | 上海维固工程实业有限公司 | Polymer modified cement mortar reinforcement mesh surface layer reinforcing structure |
| CN102003080A (en) * | 2010-11-24 | 2011-04-06 | 北京市建筑设计研究院 | Anti-seismic reinforcing structure and method of old brickwork building |
| CN201865365U (en) * | 2010-11-24 | 2011-06-15 | 北京市建筑设计研究院 | Anti-seismic reinforcing structure for old brickwork buildings |
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| CN203008403U (en) * | 2012-11-15 | 2013-06-19 | 北京筑福国际工程技术有限责任公司 | Comprehensive reinforcing structure for old masonry |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150119A (en) * | 2016-07-27 | 2016-11-23 | 姚攀峰 | A kind of industrialization high ductility space constraint reinforced masonry wall system and construction method thereof |
| CN106150121A (en) * | 2016-08-26 | 2016-11-23 | 姚攀峰 | A kind of storage Reformation for Explosion Proof structural system and construction method thereof |
| CN108360839A (en) * | 2018-03-26 | 2018-08-03 | 桂林理工大学 | A kind of old wall hardened system and its construction method |
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| CN102943569B (en) | 2015-04-01 |
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Address after: 100043, Beijing, Shijingshan District, 166 Fu Shi Road, two floor, Chak Yang Building Applicant after: Beijing Aeido International Engineering Technology Co., Ltd. Address before: 100043, Beijing, Shijingshan District, 166 Fu Shi Road, two floor, Chak Yang Building Applicant before: Beijing Zhufu Construction Engineering Co., Ltd. |
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Inventor after: Du Lihong Inventor before: Dong You Inventor before: Zhao Enping Inventor before: Wan Zhao Inventor before: Ju Shusen |
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Effective date of registration: 20171102 Address after: 102600, room 2, building 2212, center 3, 2 Xinghua street, Daxing District, Beijing Patentee after: Beijing Yong Bo Science and Technology Ltd. Address before: 100043, Beijing, Shijingshan District, 166 Fu Shi Road, two floor, Chak Yang Building Patentee before: Beijing Aeido International Engineering Technology Co., Ltd. |
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Effective date of registration: 20181212 Address after: 221000 West of Wutuncun Railway Overpass, Shitun Office, Tongshan District, Xuzhou City, Jiangsu Province Patentee after: Li Wenkang Address before: 102600 room 2212, 2 tower, Pope center 3, 2 Xinghua street, Daxing District, Beijing. Patentee before: Beijing Yong Bo Science and Technology Ltd. |
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Effective date of registration: 20190419 Address after: 419500 Yujiaxiang, Chenyang Town, Huaihua City, Hunan Province Patentee after: Chenxi First Construction Engineering Company Address before: 221000 West of Wutuncun Railway Overpass, Shitun Office, Tongshan District, Xuzhou City, Jiangsu Province Patentee before: Li Wenkang |
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Granted publication date: 20150401 Termination date: 20201115 |