CN104847129B - A kind of construction method of the bracing means of reinforced beam and floor - Google Patents
A kind of construction method of the bracing means of reinforced beam and floor Download PDFInfo
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- CN104847129B CN104847129B CN201510232321.9A CN201510232321A CN104847129B CN 104847129 B CN104847129 B CN 104847129B CN 201510232321 A CN201510232321 A CN 201510232321A CN 104847129 B CN104847129 B CN 104847129B
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- floor
- reinforced beam
- stirrup
- bracing means
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Abstract
The present invention proposes the construction method of a kind of reinforced beam and the bracing means of floor, its bracing means includes the stirrup portion of the U-shaped of lock ring reinforced beam from bottom to top, passing, with two, the bolt portion that the floor two ends respectively with stirrup portion are fixed together, the nut screwing clamping in this bolt portion is in the part above floor in bolt portion.After using technique scheme, the reinforced beam of the present invention and the bracing means of floor, owing to reinforced beam is locked together with floor pretension by it by stirrup portion and being connected of bolt portion, compared with prior art, its Stress resort effect that can be prevented effectively from tradition bracing means produces, keep the effectiveness of anchoring, can effectively ensure that consolidation effect, improve the shearing strength of reinforced beam, simple in construction is easily achieved, and compact appearance is attractive in appearance, comprehensive practical is strong；The construction method of the present invention, step simple and clear, the efficiency implementing described bracing means can be effectively improved.
Description
The application is the divisional application of " a kind of reinforced beam and the novel reinforced device of floor and construction method thereof ",
The filing date of original application on May 27th, 2013, Application No.: 201310200557.5.
Technical field
The present invention relates to build reinforcement technique field, be specifically related to a kind of reinforced beam and floor bracing means and
Its construction method.
Background technology
In engineering structure, often due to building is aging, use function change, structure design or construction to slip up, set up defences
The factors such as standard raising, need to reinforce existing building.The Shear Strengthening of reinforced beam is the one of building strengthening
Item important content.Shearing Reinforcement of Steel Concrete Beam method is a lot, and conventional reinforcement means has Enlargement of Section, pastes fiber increasing
Strong composite material reinforced method, reinforcement by sticking of sheets and steel strand wires polymer mortar method for strengthening etc..These tradition reinforcement means are generally deposited
Problems with: (1) Stress resort effect problem so that reinforcement material is poor with original component cooperation ability, largely effects on
Consolidation effect.(2) due to the existence of floor, often result in reinforcement material anchorage length inadequate, be susceptible to the stripping of anchored end
Destroy.(3) internal injury and the defects such as tradition reinforcement means can not change the force-bearing situation of original structure, the crack existed in component
Can not make up or reduce, if not Shi Hanzhang, existing crack just cannot be played a role, largely effect on it and add by reinforcement material
Gu effect, constrain its use reinforced in damaged member.
In consideration of it, the problems referred to above are furtherd investigate by inventor, this case is then had to produce.
Summary of the invention
It is an object of the invention to provide a kind of Stress resort effect being prevented effectively from tradition bracing means to produce, keep
The reinforced beam of the effectiveness of anchoring and the bracing means of floor, consolidation effect is good, and simple in construction is easily achieved, and outward appearance
Compact attractive in appearance.
Another object of the present invention is to the construction party providing a kind of above-mentioned reinforced beam with the bracing means of floor
Method, step simple and clear, efficiency of the practice is high.
In order to achieve the above object, the present invention uses such technical scheme:
The bracing means of a kind of reinforced beam and floor, including the U-shaped of lock ring reinforced beam from bottom to top
Stirrup portion, and two bolt portions being fixed together through floor two ends with stirrup portion respectively, the nut in this bolt portion
It is tightened against bolt portion and is in the part above floor.
The corresponding above-mentioned nut in above-mentioned bolt portion is provided with and is between nut and floor the pad bigger relative to nut area.
Above-mentioned stirrup portion is the width steel plate along reinforced beam length direction.
Above-mentioned stirrup portion and above-mentioned bolt portion have connecting portion, and in the horizontal direction each is all higher than this connecting portion to size
Cross section in described stirrup portion and described bolt portion each to size, described connecting portion respectively with described stirrup portion and described spiral shell
Spigot welds together.
The bending place in above-mentioned stirrup portion is smooth arc.
Above-mentioned stirrup portion is provided with coupling at its bending place correspondence reinforced beam and is padded on therebetween relative to bending place
The billet that area is bigger.
The vertical section in above-mentioned stirrup portion is provided with the stress detection device detecting stress herein.
Above-mentioned stress detection device is the strain ga(u)ge being attached in above-mentioned stirrup portion.
A kind of construction method of the bracing means of reinforced beam and floor:
(1) rendering layer and the finishing layer of floor corresponding position at reinforced beam place to be reinforced are removed；
(2) position in hole that floor passes for bolt portion, bending place, reinforced beam corresponding above-mentioned stirrup portion are determined
Position and the position of the corresponding above-mentioned connecting portion of reinforced beam；
(3) hole in the position in the above-mentioned hole determined on floor, the correspondence determined on above-mentioned reinforced beam
The position of bending place, above-mentioned stirrup portion carries out the chamfered matched with this bending place, and liner above-mentioned steel pad at this chamfering
Plate, the position of the above-mentioned connecting portion of correspondence determined on reinforced beam is struck and is dug out pit corresponding with this connecting portion；
(4) armored concrete is waled in corresponding with above-mentioned bolt portion for the above-mentioned stirrup portion welded above-mentioned hole from bottom to top
Beam, is set in above-mentioned pad in the described bolt portion exposed above floor, then carries out prestress application with nut screwing clamping
Install.
After using technique scheme, the reinforced beam of the present invention and the bracing means of floor, owing to it passes through steel
Reinforced beam is locked together by hoop portion and being connected of bolt portion with floor pretension, and compared with prior art, it can
The Stress resort effect being prevented effectively from tradition bracing means produces, and keeps the effectiveness of anchoring, can effectively ensure that consolidation effect, carry
The shearing strength of high reinforced beam, simple in construction is easily achieved, and compact appearance is attractive in appearance, and comprehensive practical is strong；
The present invention also proposes the construction method of a kind of above-mentioned bracing means, step simple and clear, can be effectively improved enforcement institute
State the efficiency of bracing means.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the use view of the present invention；
Fig. 3 is the use view of another angle of the present invention.
In figure:
11-bending place, 1-stirrup portion
12-billet
2-bolt portion 21-nut
22-pad
3-connecting portion
4-monitor for stress 5-reinforced beam
6-floor
Detailed description of the invention
In order to technical scheme is explained further, it is described in detail below by specific embodiment.
A kind of reinforced beam of the present invention and the bracing means of floor, as Figure 1-3, including stirrup portion 1 and two
Individual bolt portion 2.
Stirrup portion 1 takes the shape of the letter U, from bottom to top lock ring reinforced beam 5, two bolt portions 2 through floor 6 and respectively with steel
The two ends in hoop portion 1 are fixed together, and the nut 21 in bolt portion 2 is tightened against bolt portion 2 and is exposed to the part above floor 6,
Realize the prestressed stretch-draw in stirrup portion 1 by screwing bolts portion 2, reinforced beam 5 is applied transverse prestress, and by reinforcing bar
Beams of concrete 5 is together with floor 6 firmly lock ring, it is achieved the Shear Strengthening to reinforced beam 5.
Preferably, the corresponding nut 21 in bolt portion 2 is provided with and is between nut 21 and floor 6 and relative to nut 21 area relatively
Big pad 22, pad 22 can effectively reduce holding of the nut 21 pretightning force pressure to floor 6, enhancing floor 6 and total
Carry intensity.
Preferably, stirrup portion 1 is the width steel plate along reinforced beam 5 length direction, and this structure can strengthen stirrup portion 1
Lock ring effect to reinforced beam 5.
Preferably, stirrup portion 1 and bolt portion 2 have connecting portion 3, this connecting portion 3 in the horizontal direction each the biggest to size
Each to size in equal to the cross section in stirrup portion 1 and bolt portion 2, connecting portion 3 is welded on stirrup portion 1 and bolt portion 2 respectively
Together, the area that i.e. connecting portion 3 welds with stirrup portion 1 and bolt portion 2 is not less than the respective cross section in stirrup portion 1 and bolt portion 2
Long-pending, can effectively utilize stirrup portion 1 and the lateral dimension in bolt portion 2, increase bonding area as far as possible, to improve the reliable of connection
Property.
Preferably, the bending place 11 in stirrup portion 1 is smooth arc, to avoid this bending place 11 stress to concentrate, improves it and holds
Carry intensity.
Preferably, in its bending place 11, corresponding reinforced beam 5 is provided with coupling and is padded on therebetween and relatively in stirrup portion 1
In the billet 12 that bending place 11 area is bigger, billet 12 can effectively reduce the bending place 11 pretension to reinforced beam 5
Defeat strong, reinforcing steel bar beams of concrete 5 and the bearing strength of total.
Preferably, the vertical section in stirrup portion 1 is provided with the stress detection device 4 detecting stress herein, and people can be made steel
The pre-tight stress level in hoop portion 1 is monitored, it is simple to preferably carry out the control of pretensioning operation.
Preferably, stress detection device 4 is the strain ga(u)ge being attached in stirrup portion 1.
The present invention also proposes the construction party according to the reinforced beam in foregoing embodiments Yu the bracing means of floor
Method:
(1) rendering layer and the finishing layer of floor 6 corresponding position at reinforced beam 5 place to be reinforced are removed；
(2) determine the position in hole that floor 6 passes for bolt portion 2, the corresponding bending place 11 of reinforced beam 5 position with
And the position of reinforced beam 5 corresponding connection parts 3；
(3) hole in the position in the above-mentioned hole determined on floor 6, and the correspondence determined on reinforced beam 5 is curved
At folding, the position of 11 carries out the chamfered matched with this bending place 11, and liner billet 12 at this chamfering, at reinforcing bar
The position of the corresponding connection parts 3 determined on beams of concrete 5 is struck and is dug out and the corresponding pits such as this connecting portion 3 shape and size；
(4) corresponding to the stirrup portion 1 welded and bolt portion 2 above-mentioned hole is waled from bottom to top reinforced beam 5, and
Between the chamfering of bending place 11 and reinforced beam 5, pad sets billet 12, is set in by pad 22 and exposes above floor 6
Bolt portion 2 on, then tighten with nut 21 carry out prestress application install install.
The reinforced beam of the present invention and the bracing means of floor and construction method thereof, monitor for stress elects electricity as
Resistance strain gauge, it is possible to choose other form according to actual requirement；Just pad ensure area more than the bending place in stirrup portion and with
In the case of the chamfering of reinforced beam is corresponding, its concrete shape and size etc. can be adjusted according to actual requirement and set
Meter；The concrete shape of the bending place in stirrup portion can be adjusted according to actual requirement and design；The concrete size of connecting portion and shape
Shapes etc. can be adjusted according to actual requirement and design；Stirrup portion is preferably steel plate, it is possible to choose according to actual requirement；Pad
Sheet is in the case of ensureing that area is more than nut area, and its concrete shape and size etc. can be adjusted according to actual requirement and set
Meter.
The product form of the present invention is not limited to this case diagram and embodiment, and anyone carries out the suitable of similar thinking to it
Change or modification, all should be regarded as the patent category without departing from the present invention.
Claims (1)
1. the construction method of the bracing means of a reinforced beam and floor, it is characterised in that:
This bracing means includes the stirrup portion of the U-shaped of lock ring reinforced beam from bottom to top, and two through floor respectively with
The bolt portion that the two ends in stirrup portion are fixed together, the nut screwing clamping in this bolt portion is in the portion above floor in bolt portion
Point；The corresponding above-mentioned nut in above-mentioned bolt portion is provided with and is between nut and floor the pad bigger relative to nut area；Above-mentioned
Stirrup portion is the width steel plate along reinforced beam length direction；Above-mentioned stirrup portion and above-mentioned bolt portion have connecting portion, this
Connecting portion in the horizontal direction each to size be all higher than equal to the cross section in described stirrup portion and described bolt portion each to size,
Described connecting portion welds together with described stirrup portion and described bolt portion respectively；The bending place in above-mentioned stirrup portion is smooth arc
Shape；Above-mentioned stirrup portion is provided with coupling at its bending place correspondence reinforced beam and is padded on therebetween relative to bending place area relatively
Big billet；
The construction method of this bracing means is as follows:
(1) rendering layer and the finishing layer of floor corresponding position at reinforced beam place to be reinforced are removed；
(2) determine that floor supplies the position in hole, the position of bending place, reinforced beam corresponding above-mentioned stirrup portion that bolt portion passes
And the position of the corresponding above-mentioned connecting portion of reinforced beam；
(3) holing in the position in the above-mentioned hole determined on floor, the correspondence determined on above-mentioned reinforced beam is above-mentioned
The position of bending place, stirrup portion carries out the chamfered matched with this bending place, and the above-mentioned billet of liner at this chamfering,
The position of the above-mentioned connecting portion of correspondence determined on reinforced beam is struck and is dug out pit corresponding with this connecting portion；
(4) reinforced beam is waled in corresponding with above-mentioned bolt portion for the above-mentioned stirrup portion welded above-mentioned hole from bottom to top,
Above-mentioned pad is set in the described bolt portion exposed above floor, then carries out prestress application installation with nut screwing clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510232321.9A CN104847129B (en) | 2013-05-27 | 2013-05-27 | A kind of construction method of the bracing means of reinforced beam and floor |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310200557.5A CN103306214B (en) | 2013-05-27 | 2013-05-27 | The bracing means of a kind of reinforced concrete beam and floor |
| CN201510232321.9A CN104847129B (en) | 2013-05-27 | 2013-05-27 | A kind of construction method of the bracing means of reinforced beam and floor |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310200557.5A Division CN103306214B (en) | 2013-05-27 | 2013-05-27 | The bracing means of a kind of reinforced concrete beam and floor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104847129A CN104847129A (en) | 2015-08-19 |
| CN104847129B true CN104847129B (en) | 2016-10-05 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310200557.5A Expired - Fee Related CN103306214B (en) | 2013-05-27 | 2013-05-27 | The bracing means of a kind of reinforced concrete beam and floor |
| CN201510232321.9A Expired - Fee Related CN104847129B (en) | 2013-05-27 | 2013-05-27 | A kind of construction method of the bracing means of reinforced beam and floor |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310200557.5A Expired - Fee Related CN103306214B (en) | 2013-05-27 | 2013-05-27 | The bracing means of a kind of reinforced concrete beam and floor |
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| Country | Link |
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| CN (2) | CN103306214B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105672688B (en) * | 2016-02-16 | 2017-12-08 | 福州大学 | The prestressing force intensifier and its construction method of a kind of continued access timber structure |
| CN105937307A (en) * | 2016-06-07 | 2016-09-14 | 江西赣粤高速公路股份有限公司 | Prestress-steel-wire-rope-bending-shearing-reinforced concrete T beam and reinforcing method thereof |
| CN106320189A (en) * | 2016-08-30 | 2017-01-11 | 中铁四局集团第四工程有限公司 | Transverse reinforcing construction method of existing railway line T beam |
| CN107816218B (en) * | 2017-10-28 | 2019-11-12 | 温州威泰建设有限公司 | A kind of bracing means and its construction method of beams of concrete and plate |
| CN108343259A (en) * | 2018-02-06 | 2018-07-31 | 广东省基础工程集团有限公司 | A kind of prestressed reinforcement beam and its construction method |
| CN108894123A (en) * | 2018-09-04 | 2018-11-27 | 南京林业大学 | A kind of quick Shear Strengthening box-beam structure of Prestressed U type muscle and method |
| CN109653533A (en) * | 2019-02-13 | 2019-04-19 | 程勇俊 | A kind of concrete floor reinforced construction method |
| CN110593600B (en) * | 2019-10-15 | 2023-12-22 | 广东省建筑工程集团有限公司 | Beam slab reinforcement construction method of existing building |
| CN111305468B (en) * | 2020-03-05 | 2021-08-31 | 深圳市第一建筑工程有限公司 | Superstrong reinforced concrete roof beam |
| CN114753669B (en) * | 2022-04-27 | 2023-04-21 | 华中科技大学 | Combined FRP shearing-resistant reinforcing device and application thereof |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US4613378A (en) * | 1984-11-08 | 1986-09-23 | Lawrence Christy | Method of restoring marble and brick surfaces |
| FR2594871B1 (en) * | 1986-02-25 | 1990-10-12 | Sika Sa | METHOD FOR REINFORCING STRUCTURES OR STRUCTURAL ELEMENTS, ESPECIALLY IN CONCRETE, REINFORCED CONCRETE, PRE-STRESSED CONCRETE WITH FLEXIBLE REINFORCEMENT, ARRANGEMENT DEVICE, AND REINFORCEMENT IMPLEMENTED IN SAID PROCESS |
| JP2001032530A (en) * | 1999-07-16 | 2001-02-06 | Mitsui Constr Co Ltd | Reinforcing device and method for concrete columnar structure |
| CN2809064Y (en) * | 2005-08-03 | 2006-08-23 | 华侨大学 | Prestressed steel plate hoop for reinforcement of concrete post with rectangular cross section |
| JP5308012B2 (en) * | 2007-11-30 | 2013-10-09 | 大成建設株式会社 | Reinforcement structure for wall column members |
| CN101570961B (en) * | 2009-05-08 | 2010-12-01 | 北京市市政专业设计院有限责任公司 | Fastening method for fractured girder of bridge |
| CN201588411U (en) * | 2009-12-10 | 2010-09-22 | 华侨大学 | Strengthening device of beam column node of reinforced concrete |
| CN201747077U (en) * | 2010-08-19 | 2011-02-16 | 朱奎 | Reinforcing structure for concrete beam with crack |
| CN101956465A (en) * | 2010-09-06 | 2011-01-26 | 华侨大学 | Reinforcing method for improving earthquake resistance of stone structure buildings |
| CN202073326U (en) * | 2011-05-23 | 2011-12-14 | 国核电力规划设计研究院重庆有限公司 | Strengthening member of reinforced concrete beam |
| CN102518315B (en) * | 2011-12-02 | 2015-12-09 | 北京工业大学 | Multistory & high-rise frame space nodes He Xin district PC reinforcement steel bars device |
| CN202745359U (en) * | 2012-08-06 | 2013-02-20 | 中建三局建设工程股份有限公司 | U-shaped steel bar bolt pull ring system for fixing cantilever frame steel beam |
| CN202831669U (en) * | 2012-08-13 | 2013-03-27 | 黄智辉 | Reinforced beam for reinforced concrete set |
| CN203257121U (en) * | 2013-05-27 | 2013-10-30 | 华侨大学 | Novel reinforcing device of reinforced concrete beam and floor plate |
-
2013
- 2013-05-27 CN CN201310200557.5A patent/CN103306214B/en not_active Expired - Fee Related
- 2013-05-27 CN CN201510232321.9A patent/CN104847129B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN103306214A (en) | 2013-09-18 |
| CN104847129A (en) | 2015-08-19 |
| CN103306214B (en) | 2015-11-04 |
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