CN107190852A - A kind of butt welding stirrup and method for improving frame column ductility - Google Patents
A kind of butt welding stirrup and method for improving frame column ductility Download PDFInfo
- Publication number
- CN107190852A CN107190852A CN201710507816.7A CN201710507816A CN107190852A CN 107190852 A CN107190852 A CN 107190852A CN 201710507816 A CN201710507816 A CN 201710507816A CN 107190852 A CN107190852 A CN 107190852A
- Authority
- CN
- China
- Prior art keywords
- stirrup
- butt welding
- frame column
- ductility
- closed
- 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.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
- E04C5/0604—Prismatic or cylindrical reinforcement cages composed of longitudinal bars and open or closed stirrup rods
- E04C5/0618—Closed cages with spiral- or coil-shaped stirrup rod
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The invention discloses a kind of butt welding stirrup and method for improving frame column ductility；Including frame column, Vierendeel girder, to be distributed in the encrypted area stirrup on frame column；Flash butt welding structure is respectively adopted in the junction end to end that encrypted area stirrup is located at first stirrup of this side of Vierendeel girder；Make first stirrup formation butt welding closed stirrup structure.The position of butt welding closed stirrup structure, respectively apart from framework column end 45mm~50mm.Flash butt welding structure is located at the middle part of butt welding closed stirrup structure.First stirrup of framework column end becomes after butt welding closed stirrup structure, under load action, it crotch will not be disengaged as conventional stirrup, give full play to closed stirrup and the lateral confinement for indulging muscle and concrete is acted on, improved the ductility and anti-seismic performance of frame column.
Description
Technical field
The present invention relates to the frame column of building structure, more particularly to a kind of butt welding stirrup for improving frame column ductility and side
Method.
Background technology
The characteristics of frame structure has horizontal layout flexibly and can provide large space, is widely used in market, house,
In the building such as school teaching building.Frame column directly affects frame as the crucial primary structure member of frame structure, the quality of its anti-seismic performance
The anti-seismic performance of frame structure.Under load action, framework column end stress is complicated, while by larger moment of flexure, shearing and axle
The collective effect of power.Traditional reinforced concrete frame column end arrangement encryption closed stirrup is indulged to bear shearing with stress
Muscle formation framework of steel reinforcement confined concrete.In order to ensure the useful effect of stirrup, current specifications requires closed stirrup in junction
Crotch is set, and crotch will also have certain length.But found in Practical Project and experiment, even if meeting existing
Code requirement, load action Frame Column Under end first, stirrup is also easy to occur the work that crotch disengages and loses closed stirrup
With.Now, not only the shear resistance capacity of frame column declines, and because the operative constraint for losing stirrup is acted on, stress indulges muscle
Easily by lateral deflection into lantern-shaped, concrete is easier to be crushed, and causes the bearing capacity of frame column to decline rapidly.Framework column end
The constraint failure of first closed stirrup, the depression of bearing force of frame column is not only resulted in and is easy to destruction, and does not reach expection
Aseismic Design level.
The content of the invention
In order to which first stirrup of solution framework column end is because crotch is disengaged and constrains the problem of failing, the present invention provides one
Plant the butt welding stirrup and method for improving frame column ductility.The effect of closed stirrup is given full play to, the ductility of frame column is improved and resists
Shock stability.
The present invention is achieved through the following technical solutions：
A kind of butt welding stirrup for improving frame column ductility, including frame column 1, Vierendeel girder 2, to be distributed on frame column 1
Encrypted area stirrup 6；The junction end to end that the encrypted area stirrup 6 is located at first stirrup of this side of Vierendeel girder 2 is respectively adopted
Flash butt welding structure 8；Make first stirrup formation butt welding closed stirrup structure 7.
The position of the butt welding closed stirrup structure 7, respectively apart from the end 45mm of frame column 1~50mm.
The flash butt welding structure 8 is located at the middle part of butt welding closed stirrup structure 7.
A kind of method for improving frame column ductility, it comprises the following steps：
Stirrup is formed to butt welding closed stirrup structure 7 in the way of flash butt welding, the bond pad locations of flash butt welding structure 8 are set
Middle part on the small one side of stirrup stress；
Then butt welding closed stirrup structure 7 is placed at the end 50mm of frame column 1 and is used as first stirrup.
The present invention has the following advantages and effect relative to prior art：
Construction technology is only to need first stirrup of framework column end replacing with butt welding closed stirrup structure, construction technology
It is simple and convenient.
First stirrup of framework column end becomes after butt welding closed stirrup structure, will not be as normal under load action
Advise the same crotch of stirrup to disengage, given full play to closed stirrup and the lateral confinement for indulging muscle and concrete is acted on, improved framework
The ductility and anti-seismic performance of post.
Brief description of the drawings
Fig. 1 improves the butt welding stirrup schematic diagram of frame column ductility for the present invention.
Fig. 2 is A-A diagrammatic cross-sections in Fig. 1.
Fig. 3 is the schematic diagram of butt welding closed stirrup structure 7 of the present invention.
In figure：Frame column 1；Vierendeel girder 2；Floor 3；Frame column indulges muscle 4；Frame column non-encrypted area stirrup 5；Encrypted area stirrup
6；Butt welding closed stirrup structure 7；Flash butt welding structure 8.
Embodiment
The present invention is more specifically described in detail with reference to specific embodiment.
Embodiment
As shown in Figures 1 to 3.The invention discloses a kind of butt welding stirrup for improving frame column ductility, including frame column 1, frame
2 are set a roof beam in place, to be distributed in the encrypted area stirrup 6 on frame column 1；The encrypted area stirrup 6 is located at first of this side of Vierendeel girder 2
Flash butt welding structure 8 is respectively adopted in the junction end to end of stirrup；Make first stirrup formation butt welding closed stirrup structure 7.
The position of the butt welding closed stirrup structure 7, respectively apart from the end 45mm of frame column 1~50mm.
The flash butt welding structure 8 is located at the middle part of butt welding closed stirrup structure 7.
A kind of method for improving frame column ductility, it comprises the following steps：
Stirrup is formed to butt welding closed stirrup structure 7 in the way of flash butt welding, the bond pad locations of flash butt welding structure 8 are set
Middle part on the small one side of stirrup stress；
Then butt welding closed stirrup structure 7 is placed at the end 50mm of frame column 1 and is used as first stirrup；
Then proceed to according to design drawing requirement assembling reinforcement.
As described above, the present invention can be better realized.
Embodiments of the present invention are simultaneously not restricted to the described embodiments, other any Spirit Essences without departing from the present invention
With the change made under principle, modification, replacement, combine, simplify, should be equivalent substitute mode, be included in the present invention
Within protection domain.
Claims (4)
1. a kind of butt welding stirrup for improving frame column ductility, including frame column (1), Vierendeel girder (2), to be distributed in frame column (1)
On encrypted area stirrup (6)；It is characterized in that：The encrypted area stirrup (6) is located at first stirrup of Vierendeel girder (2) this side
Junction end to end flash butt welding structure (8) is respectively adopted；Make first stirrup formation butt welding closed stirrup structure (7).
2. the butt welding stirrup of frame column ductility is improved according to claim 1, it is characterised in that：The butt welding closed stirrup knot
The position of structure (7), respectively apart from frame column (1) end 45mm~50mm.
3. the butt welding stirrup of frame column ductility is improved according to claim 2, it is characterised in that：The flash butt welding structure
(8) it is located at the middle part of butt welding closed stirrup structure (7).
4. a kind of method for improving frame column ductility, it is characterised in that using pair that frame column ductility is improved described in claim 1
Weld stirrup and realize that it comprises the following steps：
Stirrup is formed to butt welding closed stirrup structure (7) in the way of flash butt welding, the bond pad locations of flash butt welding structure (8) are set
Middle part on the small one side of stirrup stress；
Then butt welding closed stirrup structure (7) is placed at frame column (1) end 50mm and is used as first stirrup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710507816.7A CN107190852A (en) | 2017-06-28 | 2017-06-28 | A kind of butt welding stirrup and method for improving frame column ductility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710507816.7A CN107190852A (en) | 2017-06-28 | 2017-06-28 | A kind of butt welding stirrup and method for improving frame column ductility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107190852A true CN107190852A (en) | 2017-09-22 |
Family
ID=59880135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710507816.7A Pending CN107190852A (en) | 2017-06-28 | 2017-06-28 | A kind of butt welding stirrup and method for improving frame column ductility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107190852A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060000492A (en) * | 2004-06-29 | 2006-01-06 | 우림건설 주식회사 | Joint structure of precast concrete beam and column unit |
| CN201794220U (en) * | 2010-09-06 | 2011-04-13 | 郭幸福 | Closed-loop type stirrup |
| CN202284360U (en) * | 2011-11-04 | 2012-06-27 | 中冶建工集团有限公司 | Integral welding stirrup for crossed edge member of shear wall |
| CN202299126U (en) * | 2011-11-04 | 2012-07-04 | 中冶建工集团有限公司 | Stirrup structur for cross-shaped edge component e of shear wall |
| CN104863268A (en) * | 2015-05-27 | 2015-08-26 | 浙江工业大学 | PC steel rod reinforcing method for improving anti-seismic property of special-shaped column joint |
| CN105019602A (en) * | 2015-06-05 | 2015-11-04 | 中国十七冶集团有限公司 | High-rise building stirrup connected through flash butt welding |
| CN105256892A (en) * | 2015-10-19 | 2016-01-20 | 河北工业大学 | Framework beam column capable of enhancing anti-shearing bearing force and manufacturing method of framework beam column |
| CN207512916U (en) * | 2017-06-28 | 2018-06-19 | 华南理工大学 | A kind of butt welding stirrup for improving frame column ductility |
-
2017
- 2017-06-28 CN CN201710507816.7A patent/CN107190852A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060000492A (en) * | 2004-06-29 | 2006-01-06 | 우림건설 주식회사 | Joint structure of precast concrete beam and column unit |
| CN201794220U (en) * | 2010-09-06 | 2011-04-13 | 郭幸福 | Closed-loop type stirrup |
| CN202284360U (en) * | 2011-11-04 | 2012-06-27 | 中冶建工集团有限公司 | Integral welding stirrup for crossed edge member of shear wall |
| CN202299126U (en) * | 2011-11-04 | 2012-07-04 | 中冶建工集团有限公司 | Stirrup structur for cross-shaped edge component e of shear wall |
| CN104863268A (en) * | 2015-05-27 | 2015-08-26 | 浙江工业大学 | PC steel rod reinforcing method for improving anti-seismic property of special-shaped column joint |
| CN105019602A (en) * | 2015-06-05 | 2015-11-04 | 中国十七冶集团有限公司 | High-rise building stirrup connected through flash butt welding |
| CN105256892A (en) * | 2015-10-19 | 2016-01-20 | 河北工业大学 | Framework beam column capable of enhancing anti-shearing bearing force and manufacturing method of framework beam column |
| CN207512916U (en) * | 2017-06-28 | 2018-06-19 | 华南理工大学 | A kind of butt welding stirrup for improving frame column ductility |
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