CN207597244U - A kind of energy dissipating Self-resetting bridge pier structure with replaceable foot part component - Google Patents
A kind of energy dissipating Self-resetting bridge pier structure with replaceable foot part component Download PDFInfo
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- CN207597244U CN207597244U CN201721747059.2U CN201721747059U CN207597244U CN 207597244 U CN207597244 U CN 207597244U CN 201721747059 U CN201721747059 U CN 201721747059U CN 207597244 U CN207597244 U CN 207597244U
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- Prior art keywords
- pier stud
- replaceable
- pier
- main body
- bridge pier
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Abstract
The utility model provides a kind of energy dissipating Self-resetting bridge pier structure with replaceable foot part component：Including abutment and pier stud, pier stud includes pier stud main body and the replaceable component for being embedded in pier stud bottom part body quadrangle, replaceable component is connected as one with pier stud main body, and replaceable component pours building body and be set to this including concrete short column pours internal tie hoop.Energy dissipating Self-resetting bridge pier structure described in the utility model, the hooped spiral concrete short column for being arranged on pier stud four corners can be utilized to provide the compression strength of bigger, it and can effectively earthquake energy, Self-resetting bridge pier structure is made to have better energy consumption mechanism in big earthquake centre, so as to be destroyed or destroyed very little in earthquake；Even if pier stud corner by very easily being replaced destruction, the rapid structure function for restoring Self-resetting bridge pier reduces quantities and difficulty that shake axle casing is reinforced.
Description
Technical field
The utility model belongs to science of bridge building field, is related to a kind of Self-resetting bridge pier structure of the replaceable foot part component of band.
Background technology
In earthquake disaster prevention system, Modular Bridge System is important lifeline, and connection is safeguarded is permitted needed for the security of the lives and property
More important building, such as hospital, fire station, school and public refuge play the part of the role of transport hub.Therefore, on ground
Under shake effect, Modular Bridge System need to maintain due transportation function.If bridge is damaged in earthquake and loses Functions of Transportation, remove
Life casualty is caused with outside property loss, will also influence disaster relief reconstruction.Thus it is necessary to propose new Bridge Design reason
It reads, not only facilitates construction but also economic security, and bridge is not damaged under violent earthquake effect or damage location can in time more
It changes, to meet the transportation demand after earthquake disaster.
There are many scholars both at home and abroad to design a series of Self-resetting bridge pier structure, these bridge pier structures can be by advance should
Power reinforcing bar or damper earthquake energy, can also keep good state after macroseism.But some problems are also brought simultaneously,
It is serious that bridge pier foot concrete destruction is waved in many energy dissipatings, and difficulty is brought for seismic hardening work.For the ease of weight after calamity
Build, reduce economic loss, there is an urgent need for research and develop it is a kind of be capable of providing in macroseism enough compression strength, have energy dissipating effect, and
The energy dissipating self-resetting swinging bridge pier that can be replaced in time after damage.
Invention content
The purpose of this utility model is to provide a kind of energy dissipating Self-resetting bridge pier structures with replaceable foot part component.
In order to achieve the above object, the utility model employs following technical scheme：
The bridge pier structure includes abutment and the pier stud being set on abutment, and the pier stud, which includes bottom, to be had unfilled corner or lack
The pier stud main body of mouth and the replaceable component being embedded on the unfilled corner or notch, replaceable component are connected as one with pier stud main body
Body, replaceable component include concreting body corresponding with the unfilled corner or notch geometry, matching in the concreting body
Muscle is using vertical muscle and tie hoop.
The abutment is connected with pier stud main body using no-cohesive prestressed reinforcement, one end anchor of the no-cohesive prestressed reinforcement
Abutment bottom is fixed in, the other end is connected with pier stud main body.
The no-cohesive prestressed reinforcement in pencil and spaced is arranged in pier stud main center, Mei Gewu to be multiple
Adhesive prestressed steel bar passes inside or through pier stud main body without bending.
Inserted type connector is provided between the pier stud main body and abutment.
The inserted type connector includes the spherical concrete convex body for being set to pier stud bottom part body and matches with the convex body
The concave shape being set on the abutment friction shape steel plate closed.
Bonding station between the pier stud main body and replaceable component is pre- on respective concrete structure by being set to
It buries high-strength friction-type bolt and is connected for coupling the connecting plate of each pre-buried high-strength friction-type bolt.
The pier stud main body is connected with the lower end of replaceable component by angle steel.
There is the quadrangular shape reinforced concrete structure of missing, the shape of lack part for bottom four corners in the pier stud main body
For column.
Built-in fitting is provided on the abutment, otic placode is provided on the side of pier stud main body, is connected between otic placode and built-in fitting
It is connected to viscous damper.
The beneficial effects of the utility model are embodied in：
Energy dissipating Self-resetting bridge pier structure described in the utility model, can effectively earthquake energy, make Self-resetting bridge pier knot
Structure has better energy consumption mechanism in big earthquake centre, so as to be destroyed or destroyed very little in earthquake；Even if pier stud foot
By destroying and can also very easily be replaced, the rapid structure function for restoring Self-resetting bridge pier reduces shake axle casing in portion
The quantities and difficulty of reinforcing.
Further, the utility model can utilize the concrete short column with tie hoop for being arranged on pier stud four corners
The compression strength of bigger is provided.
Further, the utility model is applying prestressing force basis using non-binding deformed bar in pier stud shaft core position
On, design the Shear transfer mechanism for ensureing pier stud end using inserted type connector, limitation styletable sliding, protect deformed bar not by
Fail in shear, so as to form the relatively reliable connection of pier stud and abutment top surface.
Further, the contact surface for the inserted type connector that the utility model uses can friction energy dissipation, and be distributed in outside pier stud
The viscous damper of side surrounding plays hysteresis energy dissipating effect, ensure that pier stud section has better ductility energy dissipation capacity.
Description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is pier stud cross-sectional view (the A-A section views of Fig. 1)；
Fig. 3 is pier stud cross-sectional view (the B-B section views of Fig. 1)；
Fig. 4 is pier stud reserving hole and pre-embedded bolt schematic diagram；
Fig. 5 is hooped spiral concrete short column arrangement of reinforcement schematic diagram；
Fig. 6 is hooped spiral concrete short column pre-embedded bolt schematic diagram；
Fig. 7 is viscous damper structure diagram；
Fig. 8 is bridge abutment structure schematic diagram；
In figure：1- pier studs；2- abutments；3- balls enter formula connector；4- viscous dampers；5- built-in fittings；6- deformed bars；7-
Arrangement of reinforcement；8- otic placodes；9- concrete socles；10- connecting plates；11- bolts；12- tie hoops.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
(1) bridge pier structure designs
Referring to Fig. 1, the energy dissipating Self-resetting bridge pier structure of replaceable foot part component described in the utility model, including pier stud 1, bridge
Platform 2, inserted type connector (ball enters formula), viscous damper 4, built-in fitting 5, no-cohesive prestressed reinforcement 6, concrete socle 9, connection
Plate 10 and pre-buried high-strength friction-type bolt 11.Replaceable component in bridge pier structure is equipped with tie hoop and vertical muscle for four inside
Concrete socle 9, positioned at 1 lower end four corners of pier stud, pier stud 1 is divided for main part and replaceable part.Replaceable part
The local compressed strength of bridge pier can be improved, while if generating destruction after rarely occurred earthquake, it may be convenient to be replaced, dropped
The cost restored after low calamity and rebuild.
Referring to Fig. 1, Fig. 2, Fig. 3, vertical muscle and stirrup (arrangement of reinforcement 7) accordingly are equipped with according to stress in the pier stud main body, is matched
Muscle rate is determined by specific condition calculating, but arrangement of reinforcement is not connected with abutment 2.The non-binding deformed bar 6 is right in pier stud 1
Claim arrangement, particular number is determined by calculation, and for example, four, the lower end of non-binding deformed bar 6 is anchored at bridge with anchor head
2 bottom end of platform, upper end are fixed in pier stud main body.When pier stud slenderness ratio is smaller, in the case where not influencing bridge pier stability, nothing
Bonding prestress reinforcing bar can run through full pier stud, until outer at the top of pier stud；When pier stud slenderness ratio is larger, through set-up mode due to
The influence of significant adverse may be caused to the stability of pier stud, therefore using only in the styletable of pier stud end set prestressed strand
Local (specifically refer to reinforcing bar and be passed through one segment length of pier stud main body, but do not penetrate through entire pier stud main body), styletable partial style node
Effectively eliminate the negative influence of no-cohesive prestressed reinforcement overall stability of particularly flexible pier stud to pier stud.
Referring to Fig. 1, Fig. 4, the 1 lower end center of pier stud and abutment 2 be mutually twisted inlay, peripheral planar pushes against, form pier
Column end inserted type connector designs (for example, ball enters formula connector 3).Default deformation mechanism is caused to lose in order to avoid connector is crushed
Effect, using the concave portion in high performance steel (such as HPS50W, HPS70W or HPS90W) cladding pier stud main body so that default to become
Shape mechanism can be effectively ensured and be realized, make structure more safe and reliable.
Referring to Fig. 1, Fig. 5, Fig. 6, the concrete socle 9 is advised at four side of two sides by size and concerned countries technology
Model provides pre-buried a certain number of frictional high-strength bolts 11, for the connection with pier stud main body.Meanwhile pier stud main body places four
The pre-buried same amount of frictional high-strength bolts 11 in position (referring specifically to adjacent side) of a concrete socle 9, it is replaceable
By above-mentioned bolt and junction steel plate, (Q345 or the conventional steels of ratings above, all shaped steel weld seams are double to component with main body
Face weld seam) it is connected, it is whole to form reliable pier stud.Further strengthen four concrete socles 9 and pier using angle steel after connection
The connection of column main body increases compression strength.Replaceable component not only increases the local bearing strength of pier stud end, big in experience
It after the rarely occurred earthquake of this area seismic fortification intensity, can very easily be replaced generation destroys, so as to quick real
The repairing and reinforcement of existing bridge pier.
The size of four replaceable concrete socles 9 matches tie hoop by calculating depending on practical bridge pier size
Depending on.In view of forming the desirability of tie hoop, concrete socle height cannot be too low, meanwhile, height and section face
Product should meet the following proportionate relationship rule with pier stud whole height and cross-sectional area and be advisable：The section length of side of concrete socle
Value range is pier stud sectional dimensionAnd it is not preferably less than 300 ㎜；The height value range of concrete socle is high for pier stud
Degree
Referring to Fig. 1, Fig. 7, Fig. 8, the ball enters formula connector 3 at 2 position of abutment using friction shape steel plate, in addition to friction energy dissipation
Protective effect also is played to pier stud suspension column (referring to lower end quadrangle) outside, prevents the coagulation soil pressure caused by local pressure is excessive
Situations such as diabrosis is broken improves suspension column lateral resistance behavior.The built-in fitting 5 of additional viscous damper 4 is fixed on abutment 2, it is viscous
4 upper end of damper is connected to the otic placode 8 of pier stud body side, and lower end is connected to built-in fitting 5.
(2) bridge pier structure is constructed
Abutment 2 uses cast-in-place or prefabricated construction, and fixed built-in fitting 5 reserves no-cohesive prestressed reinforcement hole, in order to
Across no-cohesive prestressed reinforcement 6.
Pier stud main part uses cast-in-place or prefabricated construction, constructs as shown in Figure 2, Figure 3, Figure 4, the pre-buried height in pier stud lower part
Strong friction-type bolt.According to prefabricated construction, then no-cohesive prestressed reinforcement hole, and and abutment need to be reserved in pier stud main body
2 reserved no-cohesive prestressed reinforcement hole close alignment, to ensure non-binding deformed bar 6 along right on pier stud, abutment
The hole answered pass through and effectively tensioning, do not bend.According to cast-in-place construction, then no-cohesive prestressed reinforcement needs are effective
It is fixed in template steel reinforcement cage and ensures not bend.
Concrete short column 9 is constructed using prefabrication, while pre-buried high-strength friction-type bolt.By pre-embedded bolt, using steel
Plate is connected with pier stud main part, and plate size is punched on steel plate and passed through pre-buried depending on bridge pier and replaceable scantling
After bolt, outside is tightened with nut.Replaceable component is real by steel plate and pre-buried high-strength friction-type bolt with pier stud main body section
After being now connected, in pier stud lower end four corners cornerite steel.By in pier stud lower end cornerite steel, making replaceable component and pier stud master
While body portion forms relatively reliable entirety, the compression strength of pier stud lower end can be improved.
By abutment 2 and pier stud 1 to (as shown in Figure 1) after connecting, the tension reinforcing steel bar (steel strength grade out of reserved hole
In 1320-1860N/mm2Between, diameter is between 8.6~15.2mm, oil surface fat), and will be added in abutment bottom with anchorage
It is good to carry prestressed Bar Anchorage, is filled using epoxy resin between deformed bar and hole inner wall, is passed through with viscous damper 4
Pier stud main body is connect by bolt with abutment.Deformed bar initial tensioning power should be moderate so that deformed bar can have good
Self-resetting performance, and elastic stage can be in always, not enter the plastic stage, to prevent stiffness reduction or generate remaining become
Shape is even broken.
(3) bridge pier structure advantage
As a result of above scheme, Self-resetting bridge pier structure described in the utility model and traditional Self-resetting bridge pier structure phase
It is as follows than major advantage：
1) it can be sent out in the replaceable hooped spiral concrete short column of Self-resetting bridge pier lower end installation, geological process
The effect of energy-dissipating and shock-absorbing is waved, plays the role of effectively reducing input earthquake energy, helps to reduce earthquake to Self-resetting bridge pier
Destruction.
2) if hooped spiral concrete short column is destroyed under geological process, it may be convenient to be replaced, subtracted significantly
The difficulty and workload that seismic hardening works after small Self-resetting bridge pier structure shake.
3) hooped spiral concrete short column meets the non-uniform partial pressing's requirement of end-fitting contact, and concrete is avoided to connect
Deformation mechanism failure is preset caused by the local damage of head or destruction, while enhances the convenience of construction.
4) Self-resetting bridge pier structure described in the utility model is suitable with traditional Self-resetting bridge pier structure construction work amount, construction
Convenient, rational in infrastructure, elastic carrier power does not decline substantially after shake, can be good at meeting the higher to bridge structure anti-seismic performance
It is required that.
In short, the utility model is also easy to produce the position of destruction using replaceable structure, simple in structure, stress in bridge pier foot
Rationally, it is easy for construction, there is good reparation residual deformation and energy dissipation capacity.It and can be with after Self-resetting bridge pier foot is damaged
Convenient to replace foot, the rapid structure function for restoring Self-resetting bridge pier facilitates post-disaster reconstruction and reparation, more traditional Self-resetting bridge
Pier substantially reduces the quantities and difficulty of shake post-reinforcing, and ensure that bridge pier has enough strength and stiffness, can be very
Requirement of the good satisfaction to bridge structure anti-seismic performance.
Claims (9)
1. a kind of energy dissipating Self-resetting bridge pier structure with replaceable foot part component, it is characterised in that：The bridge pier structure includes bridge
Platform (2) and the pier stud (1) being set on abutment (2), the pier stud (1) have unfilled corner or the pier stud main body of notch including bottom
And the replaceable component on the unfilled corner or notch is set to, replaceable component is connected as one with pier stud main body, replaceable structure
Part includes concreting body corresponding with the unfilled corner or notch geometry, and the arrangement of reinforcement in the concreting body includes spiral hoop
Muscle (12).
2. a kind of energy dissipating Self-resetting bridge pier structure with replaceable foot part component according to claim 1, it is characterised in that：
The abutment (2) is connected with pier stud main body using no-cohesive prestressed reinforcement (6), one end of the no-cohesive prestressed reinforcement (6)
Abutment (2) bottom is anchored in, the other end is connected with pier stud main body.
3. a kind of energy dissipating Self-resetting bridge pier structure with replaceable foot part component according to claim 2, it is characterised in that：
No-cohesive prestressed reinforcement (6) bunchy and spaced it is arranged in pier stud main center, each prestressing without bondn steel
Muscle (6) passes inside or through pier stud main body without bending.
4. a kind of energy dissipating Self-resetting bridge pier structure with replaceable foot part component according to claim 1, it is characterised in that：
Inserted type connector is provided between the pier stud main body and abutment (2).
5. a kind of energy dissipating Self-resetting bridge pier structure with replaceable foot part component according to claim 4, it is characterised in that：
The inserted type connector include be set to pier stud bottom part body spherical concrete convex body and with the matched setting of the convex body
In the concave shape friction shape steel plate on abutment (2).
6. a kind of energy dissipating Self-resetting bridge pier structure with replaceable foot part component according to claim 1, it is characterised in that：
By pre-buried high-strength friction-type bolt (11) and for coupling each pre-buried height between the pier stud main body and replaceable component
The connecting plate (10) of strong friction-type bolt (11) is connected.
7. a kind of energy dissipating Self-resetting bridge pier structure with replaceable foot part component according to claim 1, it is characterised in that：
The pier stud main body is connected with the lower end of replaceable component by angle steel.
8. a kind of energy dissipating Self-resetting bridge pier structure with replaceable foot part component according to claim 1, it is characterised in that：
There is the quadrangular shape reinforced concrete structure of missing for bottom four corners in the pier stud main body, the shape of lack part is column.
9. a kind of energy dissipating Self-resetting bridge pier structure with replaceable foot part component according to claim 1, it is characterised in that：
Built-in fitting (5) is provided on the abutment (2), otic placode (8), otic placode (8) and built-in fitting (5) are provided on the side of pier stud main body
Between be connected with viscous damper (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721747059.2U CN207597244U (en) | 2017-12-14 | 2017-12-14 | A kind of energy dissipating Self-resetting bridge pier structure with replaceable foot part component |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721747059.2U CN207597244U (en) | 2017-12-14 | 2017-12-14 | A kind of energy dissipating Self-resetting bridge pier structure with replaceable foot part component |
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| Publication Number | Publication Date |
|---|---|
| CN207597244U true CN207597244U (en) | 2018-07-10 |
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ID=62765273
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721747059.2U Expired - Fee Related CN207597244U (en) | 2017-12-14 | 2017-12-14 | A kind of energy dissipating Self-resetting bridge pier structure with replaceable foot part component |
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| CN (1) | CN207597244U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258308A (en) * | 2019-07-09 | 2019-09-20 | 长沙理工大学 | The Self-resetting concrete pier of replaceable buckling and energy consumption preventing steel plate is arranged in a kind of bottom |
| CN110847019A (en) * | 2019-11-20 | 2020-02-28 | 北京工业大学 | Steel plate connection-based reinforced concrete hollow pipe pier joint connection mode and structure |
| CN112030726A (en) * | 2020-08-21 | 2020-12-04 | 上海应用技术大学 | Self-resetting bridge pier column structure system with external grading energy consumption devices and construction method |
| CN112030725A (en) * | 2020-08-21 | 2020-12-04 | 上海应用技术大学 | Self-resetting bridge pier column structure system with built-in grading energy consumption device and construction method |
| CN113215963A (en) * | 2021-05-31 | 2021-08-06 | 河北首都新机场高速公路开发有限公司 | Self-resetting pier component |
| CN113944098A (en) * | 2021-10-11 | 2022-01-18 | 北京建筑大学 | Take two pier stud structures of assembled from restoring to throne of energy dissipation steel sheet |
| CN114412259A (en) * | 2021-10-11 | 2022-04-29 | 北京建筑大学 | Hierarchical energy dissipation is from restoring to throne assembled pier stud |
| CN114775413A (en) * | 2022-05-11 | 2022-07-22 | 北京建筑大学 | Existing pier anti-seismic performance improving structure and method based on inertial container shock insulation and swing |
-
2017
- 2017-12-14 CN CN201721747059.2U patent/CN207597244U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258308A (en) * | 2019-07-09 | 2019-09-20 | 长沙理工大学 | The Self-resetting concrete pier of replaceable buckling and energy consumption preventing steel plate is arranged in a kind of bottom |
| CN110847019A (en) * | 2019-11-20 | 2020-02-28 | 北京工业大学 | Steel plate connection-based reinforced concrete hollow pipe pier joint connection mode and structure |
| CN112030726A (en) * | 2020-08-21 | 2020-12-04 | 上海应用技术大学 | Self-resetting bridge pier column structure system with external grading energy consumption devices and construction method |
| CN112030725A (en) * | 2020-08-21 | 2020-12-04 | 上海应用技术大学 | Self-resetting bridge pier column structure system with built-in grading energy consumption device and construction method |
| CN112030725B (en) * | 2020-08-21 | 2021-09-07 | 上海应用技术大学 | Self-resetting bridge pier column structure system with built-in grading energy consumption device and construction method |
| CN113215963A (en) * | 2021-05-31 | 2021-08-06 | 河北首都新机场高速公路开发有限公司 | Self-resetting pier component |
| CN113215963B (en) * | 2021-05-31 | 2023-03-03 | 河北首都新机场高速公路开发有限公司 | Self-resetting pier component |
| CN113944098A (en) * | 2021-10-11 | 2022-01-18 | 北京建筑大学 | Take two pier stud structures of assembled from restoring to throne of energy dissipation steel sheet |
| CN114412259A (en) * | 2021-10-11 | 2022-04-29 | 北京建筑大学 | Hierarchical energy dissipation is from restoring to throne assembled pier stud |
| CN114412259B (en) * | 2021-10-11 | 2023-06-09 | 北京建筑大学 | Graded energy dissipation self-resetting assembled pier column |
| CN113944098B (en) * | 2021-10-11 | 2023-10-17 | 北京建筑大学 | Assembled self-resetting double pier column structure with energy dissipation steel plates |
| CN114775413A (en) * | 2022-05-11 | 2022-07-22 | 北京建筑大学 | Existing pier anti-seismic performance improving structure and method based on inertial container shock insulation and swing |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |