CN205804147U - Multi-functional embedded bridge limit configuration - Google Patents
Multi-functional embedded bridge limit configuration Download PDFInfo
- Publication number
- CN205804147U CN205804147U CN201620558251.6U CN201620558251U CN205804147U CN 205804147 U CN205804147 U CN 205804147U CN 201620558251 U CN201620558251 U CN 201620558251U CN 205804147 U CN205804147 U CN 205804147U
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- CN
- China
- Prior art keywords
- beam body
- journal stirrup
- limit configuration
- bent cap
- box structure
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Abstract
The utility model discloses a kind of multi-functional embedded bridge limit configuration, including bent cap, beam body, it is provided with friction pendulum support on described bent cap end face, described beam body is supported on described friction pendulum support, naked section band two otic placode is respectively embedded at described bent cap both ends, embed the steel box structure of Duan Kairuo dry hole, described two otic placodes are welded with a junction steel plate, if wearing reinforcing bar in described dry hole, block is formed at the internal concrete perfusion of described steel box structure, the web built-in fitting of described beam body welds one piece and forms beam body journal stirrup with the most angled steel plate, described beam body journal stirrup is between described two otic placodes, some springs are arranged towards each on the face in described two otic placode directions at described beam body journal stirrup.During macroseism, this utility model can limit the earthquake displacement that beam body is excessive effectively, reduces collision and the generation of restrainer accident between girder, significantly improves the shock resistance of bridge structure.
Description
Technical field
This utility model relates to bridge earthquake resistance and bridge subtracts the technical field of shock insulation, multi-functional embedded particularly to one
Bridge limit configuration.
Background technology
The a large amount of of modern city population assemble and rapid development of economy, bridge structure as the throat of transportation network,
And China is an earthquake-prone countries, all previous earthquake disaster shows, makes structure owing to bridge structure self antidetonation is not enough
Component produces damage and even occurs calamitous collapse accident the most of common occurrence, has a strong impact on weight after the rescue of earthquake-stricken area and calamity
Build work, brought huge life and property loss, how to guarantee bridge structure safety in earthquake, how to select
The antidetonation superior with design performance and seismic isolation device, to reach to improve the purpose of anti-seismic performance of beam bridge, are that science of bridge building is sent out all the time
Important topic in exhibition.
Under severe earthquake action, the direction across bridge displacement of beam body time bigger horizontal block easily destroy, beam body along spanning side
Easily fall in time producing larger displacement beam, when beam body is easily touched between beam and beam in time having bigger length travel along adjacent
Hit, cause beam body local failure, and then affect the safety and comfortableness driven a vehicle, thus after producing bigger shake, maintenance and reinforcement takes
With.Shift earthquake in actual earthquake, to collide earthquake, the beam earthquake that falls relatively conventional, and main cause is under severe earthquake action
Beam body vertical and horizontal displacement is retrained the most effectively.The applicant reads a large amount of domestic and foreign literature and bridge earthquake resistance, subtracts
Shock insulation patent finds existing a lot of bridge seismic isolation device function singlenesses, but for having multi-functional device, it manufactures work
Skill requirement is higher, construction is the most convenient and cost is higher.
For realizing being effectively bonded together anticollision device, collision-prevention device, the function of cross spacing system between collapse-proof systems, beam, make
A kind of device or structure have several functions, and difficulty of processing is little, it is convenient to construct in its manufacture simultaneously.Therefore, the applicant causes always
Power is in a kind of multi-functional embedded bridge limit configuration of exploitation, it is achieved under normal working load and small earthquakes effect, this structure
Make and do not affect beam body displacement and deformation, can effectively limit the displacement of beam body all directions under macroseism, it is to avoid or reduce longitudinal or horizontal
The generation of collision between Xiang Luoliang and beam, it is ensured that maintenance and reinforcement after the unimpeded and reduction bridge structure shake of earthquake relief work lifeline engineering
Expense.
Utility model content
In view of prior art and the above-mentioned deficiency of device, the utility model proposes a kind of realize at normal working load and
Do not affect beam body displacement and deformation under small earthquakes effect, can effectively limit the displacement of beam body all directions under macroseism, it is to avoid or
Reduce the generation of collision between vertical or horizontal Luo Liang and beam, it is ensured that the unimpeded and reduction bridge structure of earthquake relief work lifeline engineering
The multi-functional embedded bridge limit configuration of maintenance and reinforcement expense after shake.
For reaching above-mentioned purpose, this utility model provides a kind of multi-functional embedded bridge limit configuration, is arranged on lid
Beam and beam body joint portion, to realize the displacement position-limiting between the two when meeting shake, bent cap end face are provided with friction pendulum support, beam body
It is supported on friction pendulum support；The steel case knot of naked section band two otic placode, embedding Duan Kairuo dry hole is respectively embedded at bent cap both ends
Structure；Connecting on beam body web built-in fitting and have one to form beam body journal stirrup with ground level steel plate at an angle, beam body journal stirrup is placed in
Between two otic placodes, between beam body journal stirrup and two otic placodes, it is provided with some elastic components.Such as, this device includes bent cap, beam body, described lid
Being provided with friction pendulum support on top surface of the beam, described beam body is supported on described friction pendulum support, each embedding at described bent cap both ends
Enter naked section band two otic placode, the steel box structure of embedding Duan Kairuo dry hole, described two otic placodes are welded with a junction steel plate, in institute
If wearing reinforcing bar in stating dry hole, form block at the internal concrete perfusion of described steel box structure, pre-buried at the web of described beam body
On part weld one piece with the most angled steel plate formation beam body journal stirrup, described beam body journal stirrup be positioned at described two otic placodes it
Between, arrange some springs at described beam body journal stirrup towards each on the face in described two otic placode directions.
Further:
Described steel box structure is formed by plurality of steel plates welding, and four block plates in described embedding section all open some
Circular hole.
Described steel box structure embeds the length of described bent cap and should determine according to the resistance to plucking shear calculation of described block.
Described reinforcing bar both can be with the through described non-conterminous steel plate hole of steel box structure two, it is also possible to do not use through form
And if in described dry hole, wear bar dowel, the reinforcing bar that described reinforcing bar can be configured by described bent cap serves as.
The concrete of the internal perfusion of described steel box structure and casting concrete in described bent cap be same concrete and together with
Pouring construction.
Described steel plate is the most angled should be identical by the ramp angles of described beam body side with block, and described angle exists
Between 30 ° ~ 90 °.
Multi-functional embedded bridge limit configuration provided by the utility model compared with prior art, has following useful
Effect:
1) this utility model is owing to being provided with otic placode, and is disposed with some springs, severe earthquake action underbeam on beam body journal stirrup
Body along adjacent in time moving in direction steel box structure otic placode can retrain beam body and indulge bridge and may also operate as very well to displacement and spring
Cushioning effect, to reach to slow down impact force or to avoid the generation of collision, steel when similarly beam body is moved along span centre direction between beam
Box structure otic placode can effectively retrain beam body and indulge bridge to displacement to reach the generation of restrainer, and direction across bridge has conventional block
All functions, and then can effectively retrain the lateral displacement that beam body is excessive, on two journal stirrups, the junction steel plate of welding is not simultaneously
Only can make two otic placode collaborative works, but also can reach to limit excessive vertical of beam body when bigger vertical seismic motion effect
The purpose of displacement.Therefore this block is by several functions, and it is little that its each parts manufacture difficulty of processing, easy construction, and safety can
Leaning on, cost is relatively low, has bigger application value.
2) this utility model is by embedding each steel plate perforate of section and arranging reinforcing bar in hole, can significantly improve this gear
The pulling-resistant and pressure-resistant ability of block all directions, thus ensure that the several functions of whole stopping means is effectively played.
3) shock strength of the present utility model can by change each parts of this device steel box structure, beam body journal stirrup size and
The parameters such as the spring rate arranged are adjusted, with the antidetonation demand of satisfied different bridge structures.
4) block of the present utility model is having a slope by beam body side, when under severe earthquake action, beam body by beam body journal stirrup with
Block bumps against, and impact force is perpendicular to beam body journal stirrup and block ramp interface face, changes the side of beam body and conventional block impact force
To, the characteristic that concrete crushing strength is high can be given full play to, can reduce or avoid being sent out by cutting brittle break of conventional block
Raw, steel box structure also has certain effect of contraction to concrete, can improve the comprcssive strength of concrete further, simultaneously by
Existence in steel box structure also can undertake bigger horizontal shear, and the bearing capacity of whole stopping means further enhances.In addition
Buffering can also be reached at one layer of rubber of beam body journal stirrup end outsourcing and reduces the purpose of impact force.
Accompanying drawing explanation
Fig. 1 is the structural reference figure of the multi-functional embedded bridge limit configuration of specific embodiment；(A portion makees broken section).
Fig. 2 is the C-C schematic cross-section of Fig. 1.
Fig. 3 is broken section enlarged diagram at the A of Fig. 1.
Fig. 4 is enlarged diagram at the B of Fig. 2.
Detailed description of the invention
Below in conjunction with the accompanying drawings the technique effect of design of the present utility model, detail and acquisition is described further.
Fig. 1 show schematically show the spacing structure of multi-functional embedded bridge according to a kind of embodiment of the present utility model
Make.As shown in FIG. 1 to 3, this multi-functional embedded bridge limit configuration includes bent cap 1 and beam body 2, and the end face of bent cap 1 sets
Being equipped with friction pendulum support 3, beam body 2 is supported on friction pendulum support 3, respectively embeds naked section band two ear at the both ends of bent cap 1
Plate 4, the steel box structure 6 of embedding Duan Kairuo dry hole 5, be welded with a junction steel plate 11 on two otic placodes 4, wear reinforcing bar 7 in hole 5,
Form block at the internal concrete perfusion 8 of steel box structure 6, the web built-in fitting 9 of beam body 2 welds one piece with vertical become certain
The steel plate of angle forms beam body journal stirrup 10, and beam body journal stirrup 10 is between two otic placodes 4, at beam body journal stirrup 10 towards described two otic placode sides
To face on each arrange some springs 12, at one layer of rubber 13 of beam body journal stirrup end outsourcing to reach buffering and to reduce impact force
Purpose.
Concrete, according to bridge structure antidetonation or the needs of seismic isolation design, in advance by steel on the steel plate of certain size
Each block plate of box structure is according to corresponding size well cutting, and in the steel plate corresponding position perforate of well cutting, the number of openings and
Bore dia can determine according to the seismic response of bridge structure and block pulling-resistant and pressure-resistant computational analysis, is then existed by the steel plate of perforate
Factory or job site carry out the steel box structure 6 being welded into shown in Fig. 1, and the Plate Welding on two otic placodes 4 is the most in above process
Complete, if the dry hole at steel box structure embedding section steel plate wears reinforcing bar 7, when bent cap 1 is constructed, will wear reinforcing bar 7 in hole 5
Steel box structure 6 be fixed on bent cap corresponding position and in steel box structure 6 casting concrete 8 form block, between two blocks
Bent cap 1 end face on install friction pendulum support 3, finally after beam body has set up on beam body web built-in fitting welding beam body
Prefabricated spring is also fixed on beam body journal stirrup 10, in one layer of rubber 13 of beam body journal stirrup end outsourcing, multi-functional embedding by journal stirrup 10
Formula bridge limit configuration the most just defines.This utility model simple in construction, Path of Force Transfer is clear and definite, convenient and quick construction, by closing
Computational analysis and the limited experiment of reason just can obtain preferably scheme, and then reach to improve the anti-seismic performance of whole bridge structure
With the purpose of maintenance and reinforcement expense after reduction bridge structure shake.
In other specific embodiments, the beam body journal stirrup of the present embodiment and otic placode can also be other forms, are not limited to steel
Shape in plate and the present embodiment.This utility model can also be applied on abutment.
The applicable cases of the multi-functional embedded bridge limit configuration of the present embodiment is as follows:
Under normal working load and small earthquakes effect, bridge consumes seismic energy by the reciprocally swinging of friction pendulum support
Amount, is now provided with enough gaps between the beam body journal stirrup of this structure, otic placode and block slope, does not interferes with beam body displacement
And deformation.
Under strong vertical seismic motion effect, on two otic placodes of this structure, the steel plate of welding plays a role, and can effectively limit
The excessive vertical displacement of beam body, it is to avoid expansion gap device and the destruction of floorings between beam.Pass through under strong horizontal ground motion effect
The block that the internal perfusion of steel box structure is formed effectively limit the lateral displacement that beam body is excessive, the generation of the beam that prevents from laterally falling,
Vertical bridge carries out operative constraint to two otic placodes carried by steel box structure, when vertical bridge two otic placodes and beam body journal stirrup when displacement is excessive
Spring bump against, this impact force is served good buffering effect, it is to avoid collide and the generation of the beam that falls between beam.This device is very
Well anticollision device, collision-prevention device, the several functions of anti-fall girder apparatus between block, beam are combined, significantly reduce cost, significantly
Improve the anti-seismic performance of bridge structure.
Above-described is only preferred embodiment of the present utility model.Those of ordinary skill in the art is come
Say, on the premise of creating design without departing from this utility model, it is not necessary to creative work just can make some deformation and improvement,
These broadly fall into protection domain of the present utility model.
Claims (6)
1. a multi-functional embedded bridge limit configuration, be arranged on bent cap and beam body joint portion with realize meet shake time both between
Displacement position-limiting, bent cap end face is provided with friction pendulum support, beam body is supported on friction pendulum support, it is characterised in that: lid
Beam both ends respectively embed naked section band two otic placode, embed the steel box structure of Duan Kairuo dry hole；Connect on beam body web built-in fitting
Having one to form beam body journal stirrup with ground level steel plate at an angle, beam body journal stirrup is placed between two otic placodes, beam body journal stirrup and two
Some elastic components it are provided with between otic placode.
Multi-functional embedded bridge limit configuration the most according to claim 1, it is characterised in that: described steel box structure is by many
Block plate welding is formed, and four block plates in described embedding section all open a number of circular hole.
Multi-functional embedded bridge limit configuration the most according to claim 1 and 2, it is characterised in that: described steel box structure
The concrete of internal perfusion and casting concrete in described bent cap are same concrete and together pouring construction.
Multi-functional embedded bridge limit configuration the most according to claim 1, it is characterised in that: described beam body journal stirrup is certain
Angle should be identical by the ramp angles of described beam body side with block, and described angle is between 30 °～90 °.
Multi-functional embedded bridge limit configuration the most according to claim 1, it is characterised in that: it is welded with on described two otic placodes
One junction steel plate.
Multi-functional embedded bridge limit configuration the most according to claim 1, it is characterised in that: described elastic component is bullet
Spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620558251.6U CN205804147U (en) | 2016-06-12 | 2016-06-12 | Multi-functional embedded bridge limit configuration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620558251.6U CN205804147U (en) | 2016-06-12 | 2016-06-12 | Multi-functional embedded bridge limit configuration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205804147U true CN205804147U (en) | 2016-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620558251.6U Expired - Fee Related CN205804147U (en) | 2016-06-12 | 2016-06-12 | Multi-functional embedded bridge limit configuration |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106400674A (en) * | 2016-06-12 | 2017-02-15 | 西南交通大学 | Multi-functional embedded type bridge limiting structure |
| CN106758779A (en) * | 2017-01-22 | 2017-05-31 | 重庆交通大学 | Horizontal Seismic anticollision block with auto-reset function |
| CN106835945A (en) * | 2017-01-09 | 2017-06-13 | 株洲时代新材料科技股份有限公司 | Girder falling buffer system in girder falling buffer unit and method, overhead rail |
| CN107841942A (en) * | 2017-11-30 | 2018-03-27 | 中铁二院工程集团有限责任公司 | A kind of hyperboloid friction pendulum support |
| CN109083001A (en) * | 2018-09-30 | 2018-12-25 | 福州大学 | A kind of slow block improvement structure and its construction method for reducing geological process |
-
2016
- 2016-06-12 CN CN201620558251.6U patent/CN205804147U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106400674A (en) * | 2016-06-12 | 2017-02-15 | 西南交通大学 | Multi-functional embedded type bridge limiting structure |
| CN106835945A (en) * | 2017-01-09 | 2017-06-13 | 株洲时代新材料科技股份有限公司 | Girder falling buffer system in girder falling buffer unit and method, overhead rail |
| CN106835945B (en) * | 2017-01-09 | 2018-10-02 | 株洲时代新材料科技股份有限公司 | Girder falling buffer system in girder falling buffer unit and method, overhead rail |
| CN106758779A (en) * | 2017-01-22 | 2017-05-31 | 重庆交通大学 | Horizontal Seismic anticollision block with auto-reset function |
| CN107841942A (en) * | 2017-11-30 | 2018-03-27 | 中铁二院工程集团有限责任公司 | A kind of hyperboloid friction pendulum support |
| CN107841942B (en) * | 2017-11-30 | 2023-08-11 | 中铁二院工程集团有限责任公司 | Hyperboloid friction pendulum support |
| CN109083001A (en) * | 2018-09-30 | 2018-12-25 | 福州大学 | A kind of slow block improvement structure and its construction method for reducing geological process |
| CN109083001B (en) * | 2018-09-30 | 2023-10-10 | 福州大学 | Improved structure of stop block for slowly reducing earthquake action and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 Termination date: 20190612 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |