CN206408514U - A kind of queen post Self-resetting power consumption bridge pier of the anti-buckling steel plate wall of band - Google Patents
A kind of queen post Self-resetting power consumption bridge pier of the anti-buckling steel plate wall of band Download PDFInfo
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- CN206408514U CN206408514U CN201621375489.1U CN201621375489U CN206408514U CN 206408514 U CN206408514 U CN 206408514U CN 201621375489 U CN201621375489 U CN 201621375489U CN 206408514 U CN206408514 U CN 206408514U
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Abstract
A kind of queen post Self-resetting power consumption bridge pier of the anti-buckling steel plate wall of band, the utility model proposes a kind of Self-resetting of the anti-buckling steel plate wall of band power consumption bridge pier system and mentality of designing, elastic reset component can be combined by the Self-resetting pier column system for being used for science of bridge building with energy consuming components, realize default steel plate wall energy Replacement and Repair, the energy-dissipating and shock-absorbing mechanism of elastic reset.Its structural system includes：Twin shaft pier, pier top prestressed anchor, a presstressed reinforcing steel duct, a presstressed reinforcing steel, some vertical muscle, some anti-buckling steel plate walls, abutment.The utility model flexible design, structure stress is clear and definite, traditional single-column pier and twin shaft pier system the pier bottom formation plastic hinge under severe earthquake action can be solved well by being coordinated by the no-cohesive prestressed reinforcement and steel plate wall of twin shaft pier pier core, and residual deformation is larger, the problem of repairing difficult.The strength and stiffness design adjustable extent of bridge pier is larger simultaneously.
Description
Technical field
The utility model belongs to science of bridge building field.
Background technology
South America, Latin America, Japan, Southeast Asia and China's Mainland take place frequently in recent years earthquake disaster and earthquake engineering
The research on boundary shows that Pacific Rim volcanic earthquake band enters new activity periods.Experience in seimic disaster census and earthquake relief work and
Lesson displays that bridge is as important transportation lifeline engineering, under the severe earthquake actions such as Wenchuan, cajaput, it is many in strict accordance with
The bridge that existing bridge specification and structural system are built there occurs the destruction of post bottom plastic hinge.This failure mode meets design rule
Unrepairable after model still shakes, it is necessary to when removing and rebuild, and rebuilding the cycle very long disaster relief for being necessarily delayed preciousness and recover after calamity
Between.In recent years, the Bridge Earthquake Resistance Design based on performance is more and more conceived to performance after raising bridge structure shake, to ensure to hand over
Lead to the unimpeded of lifeline, by advanced design concept, earthquake loss is reduced to greatest extent.Superstructure, bridge pier system, base
Plinth cushion cap is three elements of bridge, traditional glissando be set between superstructure and bridge pier system every
Bearing is shaken, and for this typical pier stud system of twin shaft pier bridge pier, its antidetonation potential is not excavated sufficiently.China
The basic aseismatic design concept of " no damage in small earthquake, middle shake can be repaiied, no collapsing with strong earthquake ", reflection is shown as into bridge earthquake medium strong
The surrender Formation cross-section plastic hinge of the structural material such as steel or concrete of pier stud under earthquake conditions is spent, cause to can not ignore is residual
Remaining deformation.Under such present situation, engineering circles urgently introduce more advanced bridge pier column system design scheme.
Utility model content
The utility model is intended at least solve one of above-mentioned technical problem of the prior art to a certain extent.Therefore,
The utility model proposes a kind of Self-resetting of the anti-buckling steel plate wall of band power consumption bridge pier system and mentality of designing, this is used for science of bridge building
Self-resetting pier column system elastic reset component can be combined with energy consuming components, realize default steel plate wall energy-more repair
The energy-dissipating and shock-absorbing mechanism of multiple, elastic-reset.
To achieve the above object, the technical scheme provided is：
The Self-resetting power consumption bridge pier of a kind of anti-buckling steel plate wall of band, it is characterised in that its structural system includes：Twin shaft pier 1,
Pier top prestressed anchor 2, a presstressed reinforcing steel duct 3, a presstressed reinforcing steel 31, some vertical muscle 7, some anti-buckling steel plate walls 5, abutment
11；
The kernel of section of twin shaft pier 1 reserves a presstressed reinforcing steel duct 3, is arranged in the middle section of the core of twin shaft pier 1；It is described
Presstressed reinforcing steel 31 is penetrated in the presstressed reinforcing steel duct 3, and the top of presstressed reinforcing steel 31 is consolidated by pier top prestressed anchor 2 at top
It is fixed；
In the in-core of twin shaft pier 1, the vertical muscle 7 is arranged in the outer region of the presstressed reinforcing steel duct 3, and is wrapped by stirrup 14
Enclose；
Unconsolidated joint portion 4 is formed between the twin shaft pier 1 and abutment 11；The bottom of presstressed reinforcing steel 31 is by joint portion 4
Fixed in bottom；In this way, constituting the elastic reset component of whole bridge pier, it is multiple to provide elasticity by the presstressed reinforcing steel 31 in twin shaft pier
Position power；
Some anti-buckling steel plate walls 5 between twin shaft pier 1 and steel plate wall 5, are constituted whole in the uniform cross direction profiles in longitudinal direction
The energy consuming components of individual bridge pier；And connected by node 6 so that the steel plate wall 5 between stub is replaceable.
In the present invention, to ensure the convertibility of steel plate wall, steel plate wall 5 is connected for overhanging section 8 with pier stud using bolt 10.
Specifically, the node 6 between the steel plate wall 5 and pier stud, structural implementations are：Provided with overhanging section 8 at the node of pier stud, and
The pre-buried shaped steel 9 of pier stud, pre-buried shaped steel 9 is connected at overhanging section 8 with the core plate in steel plate wall 5 by bolt 10, transmits earthquake
Power, the node can ensure that under geological process pier stud outer wall concrete is not destroyed.Described pre-buried shaped steel 9, in the word of falling king
Type, including three longitudinal components (91,92,93) and a cross member 94, three longitudinal components of the concatenation of cross member 94 (91,
92nd, 93), the longitudinal component (91) presses close to duct 3, overhanging section of 8 edges of longitudinal component (93) the laminating steel plate wall 5, institute
State cross member 94 and preset some pores 15 at nearly overhanging section of 8 sections, pass through pore 15 to form closure for stirrup 14
Part.
In the present invention, the structure of the joint portion 4 is realized：Its upper and lower interface uses the pressure-bearing of steel plate 12, i.e., in double pier studs 1
Bottom and abutment upper surface, steel plate 12 is laid in both contact pressure-bearing parts respectively.
The utility model queen post Self-resetting bridge pier column system is capable of the structure type of ingenious utilization twin columns, effectively will
Elastic reset component combines with energy consuming components, realizes default steel plate wall power consumption-Replacement and Repair, the energy dissipating of elasticity-reset
Shock absorbing mechanism.The utility model flexible design, structure stress clearly, passes through the no-cohesive prestressed reinforcement and steel of twin shaft pier pier core
Board wall, which coordinates, can solve traditional single-column pier and twin shaft pier system the pier bottom formation plastic hinge under severe earthquake action well, and remnants become
Shape is larger, the problem of repairing difficult.The strength and stiffness design adjustable extent of bridge pier is larger simultaneously.
Technical solutions of the utility model are specially applied to anti-side rigidity and require larger, the larger twin shaft pier system of pier stud spacing,
Steel plate wall 5 of the present utility model is preferably used, the connection of steel plate wall 5 spacing is usually more than 1.5m, will not be so difficult with flexural deformation
The outer unstability in generation face.The application of technical solutions of the utility model, determines that rigidity is more than by bridge pier structure rigidity and bearing capacity demand
It is more than 60 tons/millimeter.
The utility model easy construction, is a kind of advanced novel bridge pier stud for rationally meeting quick function requirement after shake
System.
Brief description of the drawings
Fig. 1 is utility model overall structure diagram.
Fig. 2 is twin shaft pier cross-sectional view.
Fig. 3 is post bottom organigram.
Fig. 4 is steel plate wall and concrete pier Column border node schematic diagram.
Numeral mark：Twin shaft pier 1, pier top prestressed anchor 2, presstressed reinforcing steel duct 3, presstressed reinforcing steel 31, pier stud bottom with
Abutment joint portion 4, steel plate wall 5, steel plate wall and pier stud node 6, indulge muscle 7, overhanging section 8 of pier stud, shaped steel 9, three longitudinal components
(91,92,93), cross member 94, bolt 10, abutment 11, steel plate 12, concrete 13, stirrup 14, pore 15.
Embodiment
The utility model is further described below in conjunction with accompanying drawing.
The utility model structural system it is main by double pier studs, abutment, the deformed bar that elastic reset function is provided, anti-bend
Bent steel plate wall, bridge pier built-in fitting composition.Double pier studs are connected with abutment by deformed bar and abutment groove, and deformed bar is provided
Elastic reset power, residual deformation can be effectively reduced；It is connected between pier stud and pier stud by anti-buckling steel plate wall, can be formed
Effective Lateral Resistant System and the seismic energy that dissipates.
Concrete structure is introduced：
The queen post Self-resetting power consumption bridge pier system of strip coupling beam as shown in Figure 1 includes：Twin shaft pier 1, pier top prestressing force
Anchorage 2, presstressed reinforcing steel 31, presstressed reinforcing steel duct 3, pier stud bottom and abutment joint portion 4, anti-buckling steel plate wall 5, girder steel and pier stud
Node 6, abutment 11.
As shown in Fig. 2 the kernel of section of twin shaft pier 1 is reserved with presstressed reinforcing steel duct 3, periphery configuration indulges muscle 7 and corresponding
Stirrup 14.To ensure the convertibility of anti-buckling steel plate wall 5, steel plate wall 5 is connected for overhanging section 8 with pier stud using bolt 10.
As shown in Fig. 2 the node 6 between the steel plate wall 5 and pier stud, structural implementations are：Set at the node of pier stud
There are overhanging section 8, and the pre-buried shaped steel 9 of pier stud, pre-buried shaped steel 9 is connected at overhanging section 8 with the core plate in steel plate wall 5 by bolt 10
Connect, transmit seismic force, the node can ensure that under geological process pier stud outer wall concrete is not destroyed.
As shown in Figure 2, Figure 4 shows, described pre-buried shaped steel 9, in the font of falling king, including three longitudinal components (91,92,93) and
One cross member 94, cross member 94 concatenates three longitudinal components (91,92,93), and the longitudinal component (91) presses close to duct 3,
Overhanging section of 8 edges of longitudinal component (93) the laminating steel plate wall 5, the cross member 94 is preset at nearly overhanging section of 8 sections
Some pores 15, pass through pore 15 to form closing feature for stirrup 14.
As shown in figure 3, the joint portion 4 of the Concrete Double stub 1 and abutment 11, upper and lower interface is held using steel plate 12
Pressure, prevents under macroseism that pier stud is acutely rocked and causes concrete 13 to be badly damaged.
The utility model Self-resetting power consumption bridge pier Specific construction step is as follows：
(1) bridge pier can use cast-in-place or prefabricated construction, reserve deformed bar hole 3, and prestressed anchorage zone arrangement of reinforcement is appropriate
Strengthen.Twin shaft pier 1 is not joined directly together with the concrete of abutment 11, and the bottom of twin shaft pier 1 and surrounding are surrounded by the pressure part of steel plate 12, abutment 11
Reserved with the joint portion of twin shaft pier 1 and steel plate pressure part is lined with groove, groove, this construction can prevent the local concrete of suspension column from seriously pressing
It is broken.
(2) the anti-buckling position of steel plate wall 5 is installed expected, pier stud answers pre-buried shaped-steel joint 9..
(3) abutment 11 can be constructed using cast-in-place or prefabrication system.And presstressed reinforcing steel duct should be also reserved in abutment 11, design
For presstressed reinforcing steel anchorage zone.
(4) anti-buckling steel plate wall 5 is installed after abutment 11 is finished with the construction of twin shaft pier 1, steel plate wall core plate and pier stud
The reserved tieing of shaped steel 9 is connected using bolt 10.
(5) tensioning of presstressed reinforcing steel 31 is carried out after steel plate wall 5 is installed, and prestressed size is made according to design earthquake
Determined with the resistance to tipping moment of lower needs.
The utility model flexible design, structure stress clearly, by the no-cohesive prestressed reinforcement of twin shaft pier pier core and anti-
Flexing steel plate wall, which coordinates, can solve traditional single-column pier and twin shaft pier system the pier bottom formation plastic hinge under severe earthquake action well,
Residual deformation is larger, the problem of repairing difficult.The strength and stiffness design adjustable extent of bridge pier is larger simultaneously.Easy construction, be
A kind of advanced novel bridge pier stud system for rationally meeting quick function requirement after shake.
Claims (1)
1. the Self-resetting power consumption bridge pier of a kind of anti-buckling steel plate wall of band, it is characterised in that its structural system includes：Twin shaft pier (1),
Pier top prestressed anchor (2), a presstressed reinforcing steel duct (3), a presstressed reinforcing steel (31), some vertical muscle (7), some anti-buckling steel plates
Wall (5), abutment (11)；
Twin shaft pier (1) kernel of section reserves a presstressed reinforcing steel duct (3), is arranged in the middle section of twin shaft pier (1) core；Institute
State presstressed reinforcing steel (31) to penetrate in the presstressed reinforcing steel duct (3), the top of presstressed reinforcing steel (31) is by pier top prestressed anchor (2)
Fixed at top；
In twin shaft pier (1) in-core, the vertical muscle (7) is arranged in the outer region of the presstressed reinforcing steel duct (3), and by stirrup
(14) surround；
Unconsolidated joint portion (4) is formed between the twin shaft pier (1) and abutment (11)；The bottom of presstressed reinforcing steel (31) is by combining
Portion (4) is fixed in bottom；In this way, constituting the elastic reset component of whole bridge pier, carried by the presstressed reinforcing steel (31) in twin shaft pier
For elastic reset force；
Some anti-buckling steel plate walls (5) between twin shaft pier (1) and steel plate wall (5), are constituted in the uniform cross direction profiles in longitudinal direction
The energy consuming components of whole bridge pier；And connected by node (6) so that the steel plate wall (5) between stub is replaceable；
Node (6) of the steel plate wall (5) between pier stud, structural implementations are：Overhanging section is provided with the node of pier stud
(8), and the pre-buried shaped steel of pier stud (9), core plate of the pre-buried shaped steel (9) in overhanging section of (8) place and steel plate wall (5) passes through bolt (10)
Connection；
Described pre-buried shaped steel (9), in the font of falling king, including three longitudinal components (91,92,93) and a cross member (94),
Cross member (94) concatenates three longitudinal components (91,92,93), and the longitudinal component (91) presses close to duct (3), longitudinal portion
Overhanging section of (8) edge of part (93) laminating steel plate wall (5), the cross member (94) is in nearly overhanging section (8) if being preset at section
Dry pore (15), passes through pore (15) to form closing feature for stirrup (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621375489.1U CN206408514U (en) | 2016-12-15 | 2016-12-15 | A kind of queen post Self-resetting power consumption bridge pier of the anti-buckling steel plate wall of band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621375489.1U CN206408514U (en) | 2016-12-15 | 2016-12-15 | A kind of queen post Self-resetting power consumption bridge pier of the anti-buckling steel plate wall of band |
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| Publication Number | Publication Date |
|---|---|
| CN206408514U true CN206408514U (en) | 2017-08-15 |
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| CN201621375489.1U Active CN206408514U (en) | 2016-12-15 | 2016-12-15 | A kind of queen post Self-resetting power consumption bridge pier of the anti-buckling steel plate wall of band |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107988896A (en) * | 2017-12-18 | 2018-05-04 | 清华大学 | A kind of concrete-filled double skin steel tube bridge pier |
| CN108316130A (en) * | 2018-02-05 | 2018-07-24 | 四川动和工程咨询有限公司 | A kind of assembled pier of regular reinforcement and finish rolling deformed bar hybrid reinforcement |
| CN108729344A (en) * | 2018-05-28 | 2018-11-02 | 北京工业大学 | A kind of two-columned pier construction waving shock insulation use in conjunction |
| CN109137973A (en) * | 2018-08-30 | 2019-01-04 | 北京工业大学 | One kind being used for the prefabricated beam column flexural pivot attachment device of underground structure |
| 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 |
| CN114622483A (en) * | 2022-04-20 | 2022-06-14 | 中南大学 | Assembled swinging pier with built-in energy dissipation device and prefabricating and assembling method thereof |
| CN107988896B (en) * | 2017-12-18 | 2024-11-12 | 清华大学 | Hollow sandwich steel pipe concrete bridge pier |
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2016
- 2016-12-15 CN CN201621375489.1U patent/CN206408514U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107988896A (en) * | 2017-12-18 | 2018-05-04 | 清华大学 | A kind of concrete-filled double skin steel tube bridge pier |
| CN107988896B (en) * | 2017-12-18 | 2024-11-12 | 清华大学 | Hollow sandwich steel pipe concrete bridge pier |
| CN108316130A (en) * | 2018-02-05 | 2018-07-24 | 四川动和工程咨询有限公司 | A kind of assembled pier of regular reinforcement and finish rolling deformed bar hybrid reinforcement |
| CN108729344A (en) * | 2018-05-28 | 2018-11-02 | 北京工业大学 | A kind of two-columned pier construction waving shock insulation use in conjunction |
| CN108729344B (en) * | 2018-05-28 | 2019-09-03 | 北京工业大学 | A kind of two-columned pier construction waving shock insulation use in conjunction |
| CN109137973A (en) * | 2018-08-30 | 2019-01-04 | 北京工业大学 | One kind being used for the prefabricated beam column flexural pivot attachment device of underground structure |
| 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 |
| 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 |
| CN114622483A (en) * | 2022-04-20 | 2022-06-14 | 中南大学 | Assembled swinging pier with built-in energy dissipation device and prefabricating and assembling method thereof |
| CN114622483B (en) * | 2022-04-20 | 2022-11-25 | 中南大学 | Assembled swinging pier with built-in energy dissipation device and prefabricating and assembling method thereof |
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