CN103306493A - Method for reinforcing building structure - Google Patents
Method for reinforcing building structure Download PDFInfo
- Publication number
- CN103306493A CN103306493A CN2013102213205A CN201310221320A CN103306493A CN 103306493 A CN103306493 A CN 103306493A CN 2013102213205 A CN2013102213205 A CN 2013102213205A CN 201310221320 A CN201310221320 A CN 201310221320A CN 103306493 A CN103306493 A CN 103306493A
- Authority
- CN
- China
- Prior art keywords
- concrete
- steel
- bar
- strength
- groove
- 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
Links
Images
Abstract
The invention discloses a method for reinforcing a building structure. The method is characterized in that a concrete floor slab reinforcement structure comprises sprayed concrete, carbon fiber cloth, steel bars, steel reinforcement split heads and a concrete floor slab, wherein a groove is formed in the lower part of the concrete floor slab; the groove is 50-60 mm in width and 20-25 mm in depth; the steel reinforcement split heads are arranged in the groove; the diameter of the steel reinforcement split heads is 8-10 mm; the space between the steel reinforcement split heads is 300-400 mm; the sprayed concrete is arranged at the lower part of the concrete floor slab; the sprayed concrete is 25-35 mm in thickness and C30 in strength; the carbon fiber cloth is pasted on the lower surface of the sprayed concrete; and the steel bars are pasted at the joint of a concrete column and the concrete floor slab for reinforcement. The method has the characteristics of safety, reliability, economy and reasonableness.
Description
Technical field
The present invention relates to a kind of fabric structure, particularly a kind of reinforcement means of fabric structure.
Background technology
Along with development of construction, highrise building occurs more and more, and Accidents from Poor Quality of Constructional Engineering also happens occasionally, and this has to cause the attention of engineering circles.Irrational aspects in the processes such as design, construction, use all may cause the construction quality accident, serious threat resident's personal safety as well as the property safety.But for the higher construction work accident of cost, remove processing and can cause very large economic loss.Therefore, building is reasonably carried out consolidation process, so that the building after reinforcing can cost saving, can guarantee again the requirement used safely, reach the target of economical rationality.But traditional technology can not guarantee that still ruggedized construction and original structure form integral body, reaches the purpose of common carrying.
Summary of the invention
Technical problem to be solved by this invention provides a kind of reinforcement means of safe and reliable fabric structure.According to structure feature the structural element such as slab column have been adopted respectively different reinforcement means.
The concrete floor reinforcing construction comprises sprayed mortar among the present invention, carbon cloth, the steel press strip, steel bar horse-shaped bench, concrete floor, the concrete floor bottom arranges groove, recess width is 50～60mm, depth of groove is 20～25mm, steel bar horse-shaped bench is set in the groove, the steel bar horse-shaped bench diameter is 8～10mm, the steel bar horse-shaped bench setting space is 300～400mm, sprayed mortar is set below the concrete floor, sprayed mortar thickness is 25～35mm, sprayed concrete strength is C30, sprayed mortar soffit affixing carbon fabric, and concrete column and concrete floor handing-over position are pasted the steel press strip and are reinforced.The present invention is by the globality that arranges to strengthen reinforcing body and former concrete component of steel bar horse-shaped bench, and reinforcing body and former concrete component form the effective height that has increased steel bar stress after the integral body, improved the bending resistance of structure.The sprayed mortar soffit is pasted the bottom affixing carbon fabric, can come by the bond stress of carbon cloth the bearing capacity of lifting member.In addition, concrete column and concrete floor handing-over position shearing are larger, reinforce therefore paste the steel press strip at this position.
Central sill reinforcing construction of the present invention comprises girder steel, steel plate bar, split bolt, concrete beam, girder steel is set below the concrete beam, girder steel adopts hollow square steel, the girder steel height is 250～300mm, and the reinforcing bar of girder steel and concrete beam welds, and girder steel and concrete beam inboard and the outside all arrange the steel plate bar, steel plate bar thickness is 8～12mm, offside steel plate bar carries out drawknot with split bolt, and the spacing of split bolt is 400～450mm, and the diameter of split bolt is 20～22mm.The present invention strengthens the bending resistance of concrete beam by girder steel, split bolt is with the fastening of steel plate bar, and the steel plate bar further unifies girder steel and concrete beam, avoids girder steel and concrete beam connecting portion the crack to occur.
The present invention takes following reinforcement means for crannied beam: cutter goes crushable layer to clean up the rear epoxy resin mortar repairing and reinforcing of using.Under concrete beam, all establish the thick brick load-bearing cross wall of 240mm, gad jam-pack between wall top and concrete beam bottom surface, gad spacing 500mm, pouring C20 pea gravel concreten tamping between the gad.
Center pillar reinforcing construction of the present invention comprises the carbon fiber sheet press strip, stirrup, sprayed mortar, anchor rib, concrete column, the four jiaos of sticking carbon fiber sheet press strips in the concrete column outside, carbon fiber sheet press strip length is 30～40mm, concrete column encloses stirrup outward, stirrup diameter is 8～10mm, the stirrup setting space is 50～100mm, stirrup is fixed on concrete column by anchor rib, and anchor rib is made S shape, and the anchor rib diameter is 10～12mm, concrete column pre-buried steel drag hook, anchor rib one end hangs over the steel drag hook, and the anchor rib other end is welded on stirrup, and the stirrup periphery arranges sprayed mortar, sprayed concrete strength is C30, and sprayed mortar thickness is 40～50mm.Four jiaos on post becomes weak link because stress is concentrated when carrying, the present invention arranges the carbon fiber sheet press strip by four jiaos on post and strengthens columns bearing capacity.S shape anchor rib helps to reinforce stirrup and concrete column forms integral body.
Foundation reinforcing structure comprises the basis among the present invention, bar planting, high-strength concrete, principal rod, bearing rod, horizontal bar, the high-strength epoxy resin mortar, vertical groove is reserved on the basis, depth of groove is 50～60mm, insert bar planting in the groove, the bar planting diameter is 16～18mm, the high-strength epoxy resin mortar is filled in the space between bar planting and the groove, high-strength concrete is built in the outside, basis, strength of high strength concrete than the high grade of base concrete intensity or more than, and strength of high strength concrete is not less than C35, the expansive concrete dual-side arranges bearing rod, and the bearing rod diameter is 16mm, and the bearing rod inboard arranges principal rod, the principal rod diameter is 20～22mm, the bearing rod lower horizontal stretches into the preformed hole on basis, and the top, basis arranges horizontal bar to be strengthened, and the horizontal bar diameter is 22～25mm.How basis and reinforcing body form the difficult problem that integral body is engineering, the present invention is by basic pre-buried groove, groove interpolation dowel can improve the globality on reinforcing body and basis, make the basis common carrying of reinforcing body and basis in the stand under load situation after the reinforcing, bearing rod and horizontal bar all play the effect that strengthens structural integrity.
The present invention has the advantages that load-carrying properties are strong, cost is low.
Description of drawings
Fig. 1 is concrete floor reinforcing construction schematic diagram, and Fig. 2 is beam reinforcing construction schematic diagram, and Fig. 3 is post reinforcing construction schematic diagram, and Fig. 4 is the foundation reinforcing structure schematic diagram.
Reference numeral: 1, sprayed mortar, 2, carbon cloth, 3, the steel press strip, 4, steel bar horse-shaped bench, 5, concrete floor, 6, girder steel, 7, the steel plate bar, 8, split bolt, 9, concrete beam, 10, the carbon fiber sheet press strip, 11, stirrup, 12, sprayed mortar, 13, anchor rib, 14, concrete column, 15, basis, 16, bar planting, 17, high-strength concrete, 18, principal rod, 19, bearing rod, 20, horizontal bar, 21, the high-strength epoxy resin mortar.
The specific embodiment
Below in conjunction with accompanying drawing the present embodiment is described in detail.
Fig. 1 is concrete floor reinforcing construction schematic diagram, the concrete floor reinforcing construction comprises sprayed mortar 1, carbon cloth 2, steel press strip 3, steel bar horse-shaped bench 4, concrete floor 5, concrete floor 5 bottoms arrange groove, recess width is 55mm, depth of groove is 20mm, steel bar horse-shaped bench 4 is set in the groove, steel bar horse-shaped bench 4 diameters are 8mm, steel bar horse-shaped bench 4 setting spaces are 350mm, sprayed mortar 1 is set below the concrete floor 5, and sprayed mortar 1 thickness is 30mm, and sprayed mortar 1 intensity is C30, sprayed mortar shows affixing carbon fabric 21 time, and concrete column and concrete floor 5 handing-over positions are pasted steel press strip 3 and reinforced.
Fig. 2 is beam reinforcing construction schematic diagram.The beam reinforcing construction comprises girder steel 6, steel plate bar 7, split bolt 8, concrete beam 9, girder steel 6 is set below the concrete beam 9, girder steel 6 adopts hollow square steel, girder steel 6 highly is 280mm, and girder steel 6 welds with the reinforcing bar of concrete beam 9, and girder steel 6 and concrete beam 9 inboards and the outside all arrange steel plate bar 7, steel plate bar 7 thickness are 10mm, offside steel plate bar 7 usefulness split bolts 8 carry out drawknot, and the spacing of split bolt 8 is 420mm, and the diameter of split bolt 8 is 20mm.
The present embodiment is taked following reinforcement means for crannied beam: cutter goes crushable layer to clean up the rear epoxy resin mortar repairing and reinforcing of using.All establish the thick brick load-bearing cross wall of 240mm for 9 times at concrete beam, gad jam-pack between wall top and concrete beam 9 bottom surfaces, the gad spacing is 500mm, pouring C20 pea gravel concreten tamping between the gad.
Fig. 3 is post reinforcing construction schematic diagram.The post reinforcing construction comprises carbon fiber sheet press strip 10, stirrup 11, sprayed mortar 12, anchor rib 13, concrete column 14, concrete column 14 outsides four jiaos of sticking carbon fiber sheets press strip 10, carbon fiber sheet press strip 10 length are 35mm, the concrete column 14 outer stirrups 11 that enclose, stirrup 11 diameters are 10mm, stirrup 11 setting spaces are 80mm, stirrup 11 is fixed on concrete column 14 by anchor rib 13, anchor rib 13 is made S shape, anchor rib 13 diameters are 10mm, concrete column 14 pre-buried steel drag hooks, anchor rib 13 1 ends hang over the steel drag hook, and anchor rib 13 other ends are welded on stirrup 11, and stirrup 11 peripheries arrange sprayed mortar 12, sprayed mortar 12 intensity are C30, and sprayed mortar 12 thickness are 45mm.
Fig. 4 is the foundation reinforcing structure schematic diagram.Foundation reinforcing structure comprises basis 15, bar planting 16, high-strength concrete 17, principal rod 18, bearing rod 19, horizontal bar 20, high-strength epoxy resin mortar 21, vertical groove is reserved on basis 15, depth of groove is 55mm, insert bar planting 16 in the groove, bar planting 16 diameters are 18mm, high-strength epoxy resin mortar 21 is filled in the space between bar planting 16 and the groove, high-strength concrete 17 is built in 15 outsides, basis, high-strength concrete 17 intensity are C40, high-strength concrete 17 dual-sides arrange bearing rod 19, bearing rod 19 diameters are 16mm, bearing rod 19 inboards arrange principal rod 18, and principal rod 18 diameters are 20mm, and bearing rod 19 lower horizontal stretch into the preformed hole on basis 15,15 tops, basis arrange horizontal bar 20 to be strengthened, and horizontal bar 20 diameters are 25mm.
Claims (1)
1. the reinforcement means of a fabric structure, it is characterized in that the concrete floor reinforcing construction comprises sprayed mortar, carbon cloth, the steel press strip, steel bar horse-shaped bench, concrete floor, the concrete floor bottom arranges groove, recess width is 50～60mm, depth of groove is 20～25mm, steel bar horse-shaped bench is set in the groove, the steel bar horse-shaped bench diameter is 8～10mm, the steel bar horse-shaped bench setting space is 300～400mm, sprayed mortar is set below the concrete floor, and sprayed mortar thickness is 25～35mm, and sprayed concrete strength is C30, sprayed mortar soffit affixing carbon fabric, concrete column and concrete floor handing-over position are pasted the steel press strip and are reinforced;
The beam reinforcing construction comprises girder steel, steel plate bar, split bolt, concrete beam, girder steel is set below the concrete beam, girder steel adopts hollow square steel, the girder steel height is 250～300mm, and the reinforcing bar of girder steel and concrete beam welds, and girder steel and concrete beam inboard and the outside all arrange the steel plate bar, steel plate bar thickness is 8～12mm, offside steel plate bar carries out drawknot with split bolt, and the spacing of split bolt is 400～450mm, and the diameter of split bolt is 20～22mm;
For crannied beam, take following reinforcement means: cutter goes crushable layer to clean up the rear epoxy resin mortar repairing and reinforcing of using.Under concrete beam, all establish the thick brick load-bearing cross wall of 240mm, gad jam-pack between wall top and concrete beam bottom surface, the gad spacing is 500mm, pouring C20 pea gravel concreten tamping between the gad;
The post reinforcing construction comprises the carbon fiber sheet press strip, stirrup, sprayed mortar, anchor rib, concrete column, the four jiaos of sticking carbon fiber sheet press strips in the concrete column outside, carbon fiber sheet press strip length is 30～40mm, concrete column encloses stirrup outward, stirrup diameter is 8～10mm, the stirrup setting space is 50～100mm, stirrup is fixed on concrete column by anchor rib, and anchor rib is made S shape, and the anchor rib diameter is 10～12mm, concrete column pre-buried steel drag hook, anchor rib one end hangs over the steel drag hook, and the anchor rib other end is welded on stirrup, and the stirrup periphery arranges sprayed mortar, sprayed concrete strength is C30, and sprayed mortar thickness is 40～50mm;
Foundation reinforcing structure comprises the basis, bar planting, high-strength concrete, principal rod, bearing rod, horizontal bar, the high-strength epoxy resin mortar, vertical groove is reserved on the basis, depth of groove is 50～60mm, insert bar planting in the groove, the bar planting diameter is 16～18mm, the high-strength epoxy resin mortar is filled in the space between bar planting and the groove, high-strength concrete is built in the outside, basis, strength of high strength concrete than the high grade of base concrete intensity or more than, and strength of high strength concrete is not less than C35, the expansive concrete dual-side arranges bearing rod, and the bearing rod diameter is 16mm, and the bearing rod inboard arranges principal rod, the principal rod diameter is 20～22mm, the bearing rod lower horizontal stretches into the preformed hole on basis, and the top, basis arranges horizontal bar to be strengthened, and the horizontal bar diameter is 22～25mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310221320.5A CN103306493B (en) | 2013-05-29 | 2013-05-29 | The reinforcement means of fabric structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310221320.5A CN103306493B (en) | 2013-05-29 | 2013-05-29 | The reinforcement means of fabric structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103306493A true CN103306493A (en) | 2013-09-18 |
| CN103306493B CN103306493B (en) | 2015-08-26 |
Family
ID=49132175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310221320.5A Expired - Fee Related CN103306493B (en) | 2013-05-29 | 2013-05-29 | The reinforcement means of fabric structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103306493B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481162A (en) * | 2014-11-18 | 2015-04-01 | 上海岩土工程勘察设计研究院有限公司 | Reinforcing structure applicable to punching-resistant stand column and construction method thereof |
| CN104612415A (en) * | 2015-01-31 | 2015-05-13 | 长安大学 | Building progressive collapse resisting reinforcing system and method with HPFL and steel plates combined |
| CN106120688A (en) * | 2016-08-15 | 2016-11-16 | 钦州学院 | With carbon cloth reinforced reinforced concrete structures |
| CN109505422A (en) * | 2018-12-10 | 2019-03-22 | 浙江安地建筑规划设计有限公司 | A kind of reinforcement means of ancient architecture wall |
| CN109610876A (en) * | 2019-02-01 | 2019-04-12 | 上海应用技术大学 | A kind of reinforced concrete frame node and production method of shock resistance promotion |
| CN111827704A (en) * | 2019-04-17 | 2020-10-27 | 深圳市中固建筑加固技术有限公司 | Reinforced concrete structure and reinforcing method |
| CN114541799A (en) * | 2022-01-26 | 2022-05-27 | 上海民航新时代机场设计研究院有限公司 | Concrete beam repairing structure and repairing method applicable to same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08303018A (en) * | 1995-05-08 | 1996-11-19 | Mitsubishi Rayon Co Ltd | Concrete structure reinforcing material and concrete structure reinforcing method using the material |
| CN101858152A (en) * | 2010-06-05 | 2010-10-13 | 朱虹 | Strengthening construction method for through cracking concrete crossbeam |
| CN202090619U (en) * | 2011-05-30 | 2011-12-28 | 苏州二建建筑集团有限公司 | Combination reinforcing structure of building roofing concrete beam |
| CN102797362A (en) * | 2012-08-25 | 2012-11-28 | 南京工业大学 | Method for fast strengthening classroom in masonry structure by using combined wall plate |
| CN103046766A (en) * | 2013-01-14 | 2013-04-17 | 北京筑福建设工程有限责任公司 | Method for lengthening columns, adding beams, resisting earthquakes and reinforcing for bottom frame structure |
-
2013
- 2013-05-29 CN CN201310221320.5A patent/CN103306493B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08303018A (en) * | 1995-05-08 | 1996-11-19 | Mitsubishi Rayon Co Ltd | Concrete structure reinforcing material and concrete structure reinforcing method using the material |
| CN101858152A (en) * | 2010-06-05 | 2010-10-13 | 朱虹 | Strengthening construction method for through cracking concrete crossbeam |
| CN202090619U (en) * | 2011-05-30 | 2011-12-28 | 苏州二建建筑集团有限公司 | Combination reinforcing structure of building roofing concrete beam |
| CN102797362A (en) * | 2012-08-25 | 2012-11-28 | 南京工业大学 | Method for fast strengthening classroom in masonry structure by using combined wall plate |
| CN103046766A (en) * | 2013-01-14 | 2013-04-17 | 北京筑福建设工程有限责任公司 | Method for lengthening columns, adding beams, resisting earthquakes and reinforcing for bottom frame structure |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481162A (en) * | 2014-11-18 | 2015-04-01 | 上海岩土工程勘察设计研究院有限公司 | Reinforcing structure applicable to punching-resistant stand column and construction method thereof |
| CN104481162B (en) * | 2014-11-18 | 2016-07-06 | 上海岩土工程勘察设计研究院有限公司 | Ruggedized construction and construction method thereof suitable in Punching Shear column |
| CN104612415A (en) * | 2015-01-31 | 2015-05-13 | 长安大学 | Building progressive collapse resisting reinforcing system and method with HPFL and steel plates combined |
| CN106120688A (en) * | 2016-08-15 | 2016-11-16 | 钦州学院 | With carbon cloth reinforced reinforced concrete structures |
| CN109505422A (en) * | 2018-12-10 | 2019-03-22 | 浙江安地建筑规划设计有限公司 | A kind of reinforcement means of ancient architecture wall |
| CN109610876A (en) * | 2019-02-01 | 2019-04-12 | 上海应用技术大学 | A kind of reinforced concrete frame node and production method of shock resistance promotion |
| CN111827704A (en) * | 2019-04-17 | 2020-10-27 | 深圳市中固建筑加固技术有限公司 | Reinforced concrete structure and reinforcing method |
| CN114541799A (en) * | 2022-01-26 | 2022-05-27 | 上海民航新时代机场设计研究院有限公司 | Concrete beam repairing structure and repairing method applicable to same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103306493B (en) | 2015-08-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103306493B (en) | The reinforcement means of fabric structure | |
| CN204662736U (en) | Gas concrete out-hung panel slippage node | |
| CN105113389A (en) | Assembled type bridge pier column member with steel-concrete composite structure | |
| CN203034686U (en) | Stiff core concrete-filled steel tube column internally inserted with Y-shaped steel plate | |
| CN106522381A (en) | Joint connection of regeneration cubage concrete combination beam-column and construction method thereof | |
| CN101457548A (en) | Node for connecting round steel tube concrete column with reinforced concrete floor and method for making same | |
| CN108252457A (en) | A kind of steel core concrete column and manufacturing method | |
| CN204703498U (en) | Wall of High-building deformation joint template construction structure | |
| CN204386018U (en) | Autoclaved aerated concrete slabs steel sheet arrangement of reinforcement | |
| CN102071747A (en) | Joint of square steel tube concrete column and reinforced concrete floor and production method thereof | |
| CN102251481B (en) | Railway pier layered construction method and construction device | |
| CN203201018U (en) | Composite beam of hollow ring-shaped profile steel and reinforced concrete | |
| CN104233961B (en) | A kind of supporting shelf bracket of No. 0 block of cantilever bridge | |
| CN204282803U (en) | To encorbelment formwork structure for mounting platform | |
| CN102733599A (en) | Fastener type steel pipe scaffold framework support applicable to steel reinforced concrete beam | |
| CN203603526U (en) | Reinforcing structure of reinforced concrete frame column | |
| CN203271106U (en) | Profile steel anchoring device of cantilever scaffold | |
| CN103046743B (en) | A kind of Super High conversion layer steel reinforced concrete crossbeam suspension type form bracing system and construction method | |
| CN205636521U (en) | Basket is hung in construction of truss -like cantilever | |
| CN205475929U (en) | Steel construction arch without beam plate -column structure | |
| CN102465605A (en) | Method for building bottom plate steel bar support | |
| CN207392451U (en) | A kind of building armored concrete overhangs girder construction | |
| CN202644989U (en) | Form erecting cradle for outer wall outer cornice | |
| CN206902913U (en) | A kind of high-altitude long-span overhung structure | |
| CN103526698B (en) | Cast-in-cantilever construction 0# block concrete supporting system and construction method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 325000, Jingshan Hill, Ouhai District, Zhejiang District, Wenzhou Province, Jingshan Hill, group 11, Room 302 Applicant after: Ye Xiangzhu Address before: 706 room 5, snow road apartment, snow mountain road, Lucheng District, Zhejiang, Wenzhou, 325000 Applicant before: Ye Xiangzhu |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170524 Address after: 510660 No. 639, Whampoa Avenue, Tianhe District, Guangdong, Guangzhou Patentee after: Guangdong Guanghui Construction Engineering Co., Ltd. Address before: 325000, Jingshan Hill, Ouhai District, Zhejiang District, Wenzhou Province, Jingshan Hill, group 11, Room 302 Patentee before: Ye Xiangzhu |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150826 Termination date: 20190529 |