CN105839509A - Anti-seismic anchor bolt for girder type bridge - Google Patents
Anti-seismic anchor bolt for girder type bridge Download PDFInfo
- Publication number
- CN105839509A CN105839509A CN201610259556.1A CN201610259556A CN105839509A CN 105839509 A CN105839509 A CN 105839509A CN 201610259556 A CN201610259556 A CN 201610259556A CN 105839509 A CN105839509 A CN 105839509A
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- Prior art keywords
- anchor bolt
- bridge
- seismic
- crab
- girder
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/14—Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses an anti-seismic anchor bolt for a girder type bridge. The anti-seismic anchor bolt comprises a steel tube sleeve, anchor bolt bars and anti-corrosion substances, wherein an inner hole opened at the lower end is formed in the steel tube sleeve, and the upper part of the steel tube sleeve is connected with a main girder; each anchor bolt bar is Z-shaped, the upper parts of at least two of the anchor bolt bars are movably arranged in the inner hole of the steel tube sleeve in a sleeving manner together, and lower parts of the anchor bolt bars are connected with a pier; gaps between the inner hole of the steel tube sleeve and upper parts of the anchor bolt bars are filled with the anti-corrosion substances. The anti-seismic anchor bolt has simple structure and good practicality, and is convenient to mount; when subjected to certain seismic action, the anti-seismic anchor bolt enters a working state, can improve the horizontal rigidity of the bridge and can deforms in any horizontal direction, deformation of the anti-seismic anchor bolt is mainly concentrated on the upper part of the anchor bolt bar, and a plastic region is easily formed at the part and can consume seismic energy, so that the overall anti-seismic performance of the bridge is enhanced, and the bridge is not prone to bridge falling damage.
Description
Technical field
The present invention relates to beam type bridge field, particularly to a kind of Shock resistant anchor bolt for beam type bridge.
Background technology
The kind of Bridges in Our Country is a lot, especially with beam type bridge (such as tee girder formula, box-shaped beam type, plate-girder
Formula) be most widely used.Beam bridge is in design and construction, and prestressing force to be considered, concrete are received
Contracting and creep effects etc., it is contemplated that geological process, the anti-seismic performance of bridge needs to reach specifically to want
Ask, guarantee life traffic line unimpeded.
At present, common beam type bridge uses precast concrete girder mostly, and this makes the girder self of bridge
Intensity strengthened, but the connection between girder and bridge pier is just particularly important.Traditional beam bridge
Build in mode, between girder and bridge pier, simply connected by gravity with rubber support simply, this
Connected mode is suitable in the case of normal operation, but when there is earthquake, girder easily occurs bigger
Displacement even falls the situation of beam, thus causes interruption of communication, therefore the girder of existing beam type bridge and bridge pier
Between attachment structure be difficult to ensure that bridge has good anti-seismic performance.
The information being disclosed in this background section is merely intended to increase the reason of the general background to the present invention
Solve, and be not construed as recognizing or imply in any form that this information structure is for this area general technology
Prior art well known to personnel.
Summary of the invention
It is an object of the invention to provide a kind of Shock resistant anchor bolt for beam type bridge, thus overcome existing
Attachment structure between girder and the bridge pier of beam type bridge is difficult to ensure that bridge has good anti-seismic performance
Shortcoming.
For achieving the above object, the invention provides a kind of Shock resistant anchor bolt for beam type bridge, wherein,
Including: steel pipe socket, it is provided with the endoporus of a lower ending opening, and the top of this steel pipe socket is connected with girder；
Crab-bolt bar, its Z-shape shape, the top joint activity of this crab-bolt bar of at least two is sheathed on described steel pipe socket
Endoporus in, and the bottom of this crab-bolt bar is connected with bridge pier；And preserver, it is filled in described steel pipe
In space between endoporus and the top of described crab-bolt bar of set.
Preferably, in technique scheme, described crab-bolt bar is reinforcing bar, and all of described crab-bolt bar
Top links together by the way of welding.
Preferably, in technique scheme, described preserver is Colophonium.
Preferably, in technique scheme, described Colophonium internal reference has tire fine powder.
Compared with prior art, there is advantages that
The present invention is special and medium and small beam type bridge Aided design, its simple in construction, draws materials easily, peace
Dress is convenient, and has good practicality, and when by certain geological process, Shock resistant anchor bolt enters work
When making state, it increases the horizontal rigidity of bridge, it is possible to deform along any level direction, and its
Deformation is concentrated mainly on the top of crab-bolt bar, and this position is easily formed plastic region, it is possible to consume the energy of earthquake
Amount, thus strengthen the overall anti-seismic performance of bridge so that the beam destruction that falls is less likely to occur bridge.
Accompanying drawing explanation
Fig. 1 is for the structural representation of the Shock resistant anchor bolt of beam type bridge according to the present invention.
Fig. 2 is the structural representation that the crab-bolt bar according to the present invention links together.
Fig. 3 is the structural representation on box-shaped beam type bridge arranged according to the present invention.
Fig. 4 is the structural representation on tee girder formula bridge arranged according to the present invention.
Fig. 5 is the structural representation on plate girder type bridge arranged according to the present invention.
Main Reference Numerals illustrates:
1-steel pipe socket；2-crab-bolt bar；3-preserver；4-box-shaped beam type bridge；5-T ellbeam formula bridge；6-
Plate girder type bridge.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the detailed description of the invention of the present invention is described in detail, it is to be understood that this
The protection domain of invention is not limited by detailed description of the invention.
Explicitly indicate that unless otherwise other, otherwise in entire disclosure and claims, term " bag
Include " or its conversion as " comprising " or " including " etc. will be understood to comprise stated element or
Ingredient, and do not get rid of other element or other ingredient.
Fig. 1 to Fig. 5 shows a kind of antidetonation for beam type bridge
The structural representation of crab-bolt, this Shock resistant anchor bolt being used for beam type bridge include steel pipe socket 1, crab-bolt bar 2 and
Preserver 3, with reference to Fig. 1, steel pipe socket 1 is cylindric, and it is provided with the endoporus of a lower ending opening, endoporus
For circular hole, the top of steel pipe socket 1 is connected with the girder of bridge, and is fixed on girder.Crab-bolt bar 2 is in Z
Shape, it forms by cylinder bending, and the top joint activity of at least two crab-bolt bar 2 is sheathed on steel pipe
In the endoporus of set 1, after the top of the most all of crab-bolt bar 2 is inserted in the endoporus of steel pipe socket 1, steel pipe
Space is left between endoporus and the crab-bolt bar 2 of set 1.Crab-bolt bar 2 inserts the part of the endoporus of steel pipe socket 1,
Not with steel pipe socket 1 fixed constraint, thus geological process, when crab-bolt bar 2 occurs greater level to deform,
Frictional force between crab-bolt bar 2 and steel pipe socket 1 will not allow crab-bolt bar 2 produce excessive tensile stress.Anchor
The bottom of tightening latch 2 is connected with cap, platform cap or the bent cap etc. of the bridge pier of bridge, and is fixed on bridge pier,
Due to the Z-shape shape of crab-bolt bar 2, and the top of crab-bolt bar 2 is sheathed in the endoporus of steel pipe socket 1 jointly,
Therefore the lower part of crab-bolt bar 2 is casually arranged with and is placed in bridge pier.Preferably, with reference to Fig. 2, crab-bolt bar 2 is reinforcing bar,
It can arrange z-shape shape by the way of clod wash, and the top of all of crab-bolt bar 2 is by welding
Mode links together, and its simple in construction consolidates, and draws materials easily, and cost is relatively low.Preserver 3 is filled
In space between the endoporus and the top of crab-bolt bar 2 of steel pipe socket 1.Preferably, preserver is Colophonium,
And it is further preferred that Colophonium internal reference has tire fine powder, to form asphalt cement, it draws materials conveniently, uses
Low cost, and moisture-proof anticorrosive performance is good.
With reference to Fig. 3, box-shaped beam type bridge 4 includes box girder, bridge pier and is arranged at box girder and bridge
Bearing between platform cap or the cap of pier, when the Shock resistant anchor bolt of the present invention is arranged on box-shaped beam type bridge 4
Time, steel pipe socket 1 is fixing to be inserted in box girder, and the fixing bridge platform being inserted in bridge pier of crab-bolt bar 2
In cap or cap, the small volume of the Shock resistant anchor bolt of the present invention, need not after installation take the biggest space,
Can with bearing be set up in parallel, therefore for the planar design of works, be easier to arrange.Reference
Fig. 4, when the Shock resistant anchor bolt of the present invention is arranged on tee girder formula bridge 5, steel pipe socket 1 is fixing to be inserted in
In T-shaped girder, and in fixing bent cap or the cap being inserted in bridge pier of crab-bolt bar 2.With reference to Fig. 5, when this
When bright Shock resistant anchor bolt is arranged on plate girder type bridge 6, steel pipe socket 1 is fixing to be inserted in plate-girder, and anchor
Tightening latch 2 is fixing to be inserted in bridge pier or abutment cap.The Shock resistant anchor bolt of the present invention is arranged in bridge
Work progress can be: is embedded in bridge platform cap or cap after first crab-bolt bar 2 being welded；If girder
For time cast-in-place, in steel pipe socket 1, pour into appropriate preserver 3, then accomplish fluently encapsulation together with combining with crab-bolt bar 2,
Finally carry out the cast-in-place of girder；During according to precast main beam, in steel pipe socket 1, pour into appropriate preserver 2,
Accomplish fluently encapsulation together with combining with crab-bolt bar 2 again, then carry out main cable and girder, but girder planted agent is reserved slotting in advance
Enter the position of steel pipe socket 1, after having lifted, then complete the consolidation of steel pipe socket 1 and girder.
The present invention is special and medium and small beam type bridge Aided design, its simple in construction, draws materials easily, peace
Dress is convenient, and has good practicality, and when bridge is by certain geological process, Shock resistant anchor bolt enters
Entering duty, it can increase the horizontal rigidity of bridge, and deforms along any level direction, and
Its deformation is concentrated mainly on the top of crab-bolt bar 2, and this position is easily formed plastic region, it is possible to consume earthquake
Energy, thus strengthen the overall anti-seismic performance of bridge so that the bridge beam that is less likely to occur to fall destroys.
The aforementioned description to the specific illustrative embodiment of the present invention illustrates that and the purpose of illustration.
These descriptions are not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned
Teaching, can much change and change.The purpose selected exemplary embodiment and describe exists
In explaining the certain principles of the present invention and actual application thereof, so that those skilled in the art can be real
Now and utilize the various different exemplary of the present invention and various different selection and change.
The scope of the present invention is intended to be limited by claims and equivalents thereof.
Claims (4)
1. the Shock resistant anchor bolt for beam type bridge, it is characterised in that including:
Steel pipe socket, it is provided with the endoporus of a lower ending opening, and the top of this steel pipe socket is connected with girder；
Crab-bolt bar, its Z-shape shape, the top joint activity of this crab-bolt bar of at least two is sheathed on described steel
In the endoporus of pipe box, and the bottom of this crab-bolt bar is connected with bridge pier；And
Preserver, it is filled in the space between the endoporus of described steel pipe socket and the top of described crab-bolt bar.
Shock resistant anchor bolt for beam type bridge the most according to claim 1, it is characterised in that described
Crab-bolt bar is reinforcing bar, and the top of all of described crab-bolt bar links together by the way of welding.
Shock resistant anchor bolt for beam type bridge the most according to claim 1, it is characterised in that described
Preserver is Colophonium.
Shock resistant anchor bolt for beam type bridge the most according to claim 1, it is characterised in that described
Colophonium internal reference has tire fine powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610259556.1A CN105839509A (en) | 2016-04-25 | 2016-04-25 | Anti-seismic anchor bolt for girder type bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610259556.1A CN105839509A (en) | 2016-04-25 | 2016-04-25 | Anti-seismic anchor bolt for girder type bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105839509A true CN105839509A (en) | 2016-08-10 |
Family
ID=56588914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610259556.1A Pending CN105839509A (en) | 2016-04-25 | 2016-04-25 | Anti-seismic anchor bolt for girder type bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105839509A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2324285Y (en) * | 1997-12-30 | 1999-06-16 | 贾继献 | Rust-proof reinforced anchor bolt |
| JP2004124456A (en) * | 2002-10-01 | 2004-04-22 | Sho Bond Constr Co Ltd | Structure of buried joint in bridge |
| CN2643057Y (en) * | 2003-10-08 | 2004-09-22 | 徐跃华 | Shock resistant anchor bolt |
| CN101713428A (en) * | 2009-10-28 | 2010-05-26 | 厦门鹏坤实业有限公司 | Anti-seismic anchor bolt |
| CN201843138U (en) * | 2010-09-02 | 2011-05-25 | 北京金孚佳润公路特种工程有限公司 | Horizontal anti-seismic anchor bolt anchored on highway bridge abutment |
| JP2014202011A (en) * | 2013-04-08 | 2014-10-27 | アオイテクノサービス株式会社 | Anticorrosive filler-filled anchor cap |
| CN204139047U (en) * | 2014-10-08 | 2015-02-04 | 重庆电子工程职业学院 | A kind of shockproof crab-bolt for viaduct pontic |
| CN205604057U (en) * | 2016-04-25 | 2016-09-28 | 广西交通科学研究院 | A antidetonation crab -bolt for beam type bridge |
-
2016
- 2016-04-25 CN CN201610259556.1A patent/CN105839509A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2324285Y (en) * | 1997-12-30 | 1999-06-16 | 贾继献 | Rust-proof reinforced anchor bolt |
| JP2004124456A (en) * | 2002-10-01 | 2004-04-22 | Sho Bond Constr Co Ltd | Structure of buried joint in bridge |
| CN2643057Y (en) * | 2003-10-08 | 2004-09-22 | 徐跃华 | Shock resistant anchor bolt |
| CN101713428A (en) * | 2009-10-28 | 2010-05-26 | 厦门鹏坤实业有限公司 | Anti-seismic anchor bolt |
| CN201843138U (en) * | 2010-09-02 | 2011-05-25 | 北京金孚佳润公路特种工程有限公司 | Horizontal anti-seismic anchor bolt anchored on highway bridge abutment |
| JP2014202011A (en) * | 2013-04-08 | 2014-10-27 | アオイテクノサービス株式会社 | Anticorrosive filler-filled anchor cap |
| CN204139047U (en) * | 2014-10-08 | 2015-02-04 | 重庆电子工程职业学院 | A kind of shockproof crab-bolt for viaduct pontic |
| CN205604057U (en) * | 2016-04-25 | 2016-09-28 | 广西交通科学研究院 | A antidetonation crab -bolt for beam type bridge |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Yun Inventor after: Zhou Xiaorong Inventor after: Huang Jiadong Inventor after: Tian Hua Inventor after: Li Litao Inventor after: Yu Qiuqin Inventor before: Zhang Yun Inventor before: Zhou Xiaorong Inventor before: Huang Jiadong Inventor before: Tian Hua |
|
| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170324 Address after: 530007 Nanning high tech Zone, the Guangxi Zhuang Autonomous Region hi tech Road, No. two, No. six Applicant after: Guangxi Transportation Research Institute Applicant after: GUANGXI XIANGLU CONSTRUCTION CO., LTD. Address before: 530007 the Guangxi Zhuang Autonomous Region high tech Road, No. two, Nanning, No. 6 Applicant before: Guangxi Transportation Research Institute |
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| TA01 | Transfer of patent application right | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160810 |
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| WD01 | Invention patent application deemed withdrawn after publication |