CN102539094B - Bridge testing support capable of changing use function - Google Patents
Bridge testing support capable of changing use function Download PDFInfo
- Publication number
- CN102539094B CN102539094B CN201210006433.9A CN201210006433A CN102539094B CN 102539094 B CN102539094 B CN 102539094B CN 201210006433 A CN201210006433 A CN 201210006433A CN 102539094 B CN102539094 B CN 102539094B
- Authority
- CN
- China
- Prior art keywords
- pier
- bridge
- pier cap
- support
- bearing
- 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.)
- Expired - Fee Related
Links
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The invention belongs to the field of bridge testing equipment and particularly relates to a bridge testing support capable of changing a use function. The bridge testing support comprises a pier cap and a support, wherein the pier cap is fixedly connected with a pier through bolts and the support is fixedly connected with the pier cap through bolts. The support is divided into an upper bottom plate and a lower bottom plate, wherein the upper bottom plate and the lower bottom plate are respectively provided with ear plates and rib plates. The support is divided into a fixed hinge support type, a movable hinge support type and a rigid support type according to shapes of bolt holes on the ear plates and the use of the bolts. The pier cap is divided into two end pier caps and a middle pier cap which can be separately used or jointly used. The pier cap is matched with the split-type pier to change the rigidity of the pier. In order to improve the singleness of the structural function of the bridge testing support, realize the goal of one pier for multipurpose use and improve the testing efficiency, the structure of the support is changed through the bolts, the function of changing the overall stress of a bridge structure is reached, and the change from a continuous beam bridge to a continuous rigid frame bridge or from the continuous rigid frame bridge to the continuous beam bridge can be rapidly and effectively realized.
Description
Technical field
The invention belongs to bridge testing apparatus field, particularly a kind of bridge testing support that can change using function.
Background technology
Bearing at present for bridge testing is single fixed-hinged support or moveable hinge bearing substantially, function singleness.When carrying out bridge testing, as changed the stress system of bridge structure, such as during continuous beam bridging continuous rigid frame bridge, often need change bridge pad or again build bridge pier, this not only needs the at substantial time, too increases testing expenses.Existing bridge testing support does not change the overall stress system of bridge structure by the change of self function.Further, the bridge pier of existing test beam is also single rigidity of fixation, can not carry out relevant comparative's test of pier beam ratio of rigidity change.
Summary of the invention
In order to improve the unicity of bridge testing support structure function, accomplish that a pier is multiplex, improve test efficiency, this device provides a kind of bridge testing support that can change using function, the structure of bearing itself is changed by bolt, reach with this and change the overall stressed function of bridge structure, can realize fast and effectively by continuous beam to continuous rigid frame bridge or continuous rigid frame bridge to the change of continuous bridge, and coordinate split blade type bridge pier can change the rigidity of pier.
The technical solution used in the present invention is:
This test bearing comprises pier cap and bearing, and pier cap is fixedly connected with bridge pier by bolt, and bearing is fixedly connected with pier cap by bolt.
Bearing is divided into upper plate and lower shoe two parts, the two ends of upper plate lower surface arrange two upper ear plates be parallel to each other, the two ends of lower shoe upper surface respectively arrange two lower ear plates be parallel to each other, and the upper ear plate that two, left and right sides lower ear plate is relative with position, the left and right sides respectively coordinates.
Described bearing is divided into fixed-hinged support, moveable hinge bearing and rigid mount three kinds of forms:
The upper ear plate of bearing with lower ear plate is arranged respectively the relative screw in 3 positions; Carry out bolt by the screw in the middle of upper lower ear plate between upper plate with lower shoe to be connected, form fixed-hinged support;
The upper ear plate of bearing and lower ear plate are arranged respectively 1 and be positioned at the screw that middle Long Circle hole and 2 are positioned at both sides, Long Circle hole; Carry out bolt by the Long Circle hole in the middle of upper lower ear plate between upper plate with lower shoe to be connected, form moveable hinge bearing;
The upper plate of fixed-hinged support with carry out bolt by upper lower ear plate 3 screws between lower shoe and be connected, or the upper plate of moveable hinge bearing with carry out bolt by the Long Circle hole of upper lower ear plate and two ends screw between lower shoe and be connected, form rigid mount.
Described pier cap is divided into two ends pier cap and middle pier cap; Hinged-support is connected with two ends pier cap or is connected with middle pier cap or is connected with two ends pier cap and middle pier cap simultaneously, coordinates split blade type bridge pier, realizes pier stiffness change.
Beneficial effect of the present invention is:
Apparatus of the present invention are simple, convenient operation; Function is polynary, by changing the various combination mode of pier cap, can simulate the correlation test content of bridge in different pier beam ratio of rigidity; Again the function that bridge pier can possess simulation continuous beam and continuous rigid frame bridge need not be built; The conversion of continuous bridge and continuous rigid frame bridge stress system can be realized fast; The content of the test of different-stiffness bridge pier can be simulated, overcome the limitation that in bridge testing in the past, pier stiffness is single; Improve test efficiency, save testing expenses.
Accompanying drawing explanation
Fig. 1 (a), Fig. 1 (b) and Fig. 1 (c) are respectively the front view of fixed-hinged support upper plate, vertical view and side view;
Fig. 2 (a), Fig. 2 (b) and Fig. 2 (c) are respectively the front view of fixed-hinged support lower shoe, vertical view and side view;
Fig. 3 (a), Fig. 3 (b) and Fig. 3 (c) are respectively the front view of moveable hinge bearing upper plate, vertical view and side view;
Fig. 4 (a), Fig. 4 (b) and Fig. 4 (c) are respectively the front view of moveable hinge bearing lower shoe, vertical view and side view;
Fig. 5 (a), Fig. 5 (b) and Fig. 5 (c) are respectively the front view of two ends pier cap, vertical view and side view;
Fig. 6 (a), Fig. 6 (b) and Fig. 6 (c) are respectively the front view of middle pier cap, vertical view and side view;
Fig. 7 is fixed-hinged support schematic diagram;
Fig. 8 is the schematic diagram that fixed-hinged support changes rigid mount into;
Fig. 9 is moveable hinge bearing schematic diagram;
Figure 10 is the schematic diagram that moveable hinge bearing changes rigid mount into;
Figure 11 is fixed-hinged support, middle pier cap+two ends pier cap and split blade type bridge pier connection diagram;
Figure 12 is fixed-hinged support, middle pier cap and split blade type bridge pier connection diagram;
Figure 13 is fixed-hinged support, two ends pier cap and split blade type bridge pier connection diagram.
Number in the figure:
1-upper plate; 21-upper ear plate; 22-lower ear plate; 3-floor; 4-lower shoe.
Embodiment
The invention provides a kind of bridge testing support that can change using function, below in conjunction with the drawings and specific embodiments, the present invention will be further described.
As shown in figs 1 to 6, bridge testing support comprises pier cap and bearing two parts, and pier cap is fixedly connected with bridge pier by bolt, and bearing is fixedly connected with pier cap by bolt.
Bearing is divided into upper plate 1 and lower shoe 4 two parts, the two ends of upper plate 1 lower surface arrange two upper ear plates be parallel to each other 21, the two ends of lower shoe 4 upper surface respectively arrange two lower ear plates be parallel to each other 22, and the upper ear plate 21 that two, left and right sides lower ear plate 22 is relative with position, the left and right sides respectively coordinates.Upper ear plate 21 arranges many floors 3 with the both sides of lower ear plate 22.Upper plate 1 is connected with beam by top rebars.
Described bearing is divided into fixed-hinged support, moveable hinge bearing and rigid mount three kinds of forms:
The upper ear plate 21 of bearing with lower ear plate 22 is arranged respectively the relative screw in 3 positions; Carry out bolt by the screw in the middle of upper lower ear plate between upper plate 1 with lower shoe 4 to be connected, form fixed-hinged support, as shown in Figure 7.
The upper ear plate 21 of bearing and lower ear plate 22 are arranged respectively 1 and be positioned at the screw that middle Long Circle hole and 2 are positioned at both sides, Long Circle hole; Carry out bolt by the Long Circle hole in the middle of upper lower ear plate between upper plate 1 with lower shoe 4 to be connected, form moveable hinge bearing, as shown in Figure 9.
The upper plate 1 of fixed-hinged support with carry out bolt by upper lower ear plate 3 screws between lower shoe 4 and be connected, or the upper plate 1 of moveable hinge bearing with carry out bolt by the Long Circle hole of upper lower ear plate and two ends screw between lower shoe 4 and be connected, form rigid mount, as shown in figs.
Pier cap is divided into two ends pier cap and middle pier cap; Hinged-support is connected with two ends pier cap or is connected with middle pier cap or is connected with two ends pier cap and middle pier cap simultaneously, coordinates split blade type bridge pier, realizes the change of pier stiffness.
Example: corrugated steel web rigid frame bridge Longitudinal attribute testing research
Indulge the impact of bridge to kinematic behavior in order to study pier stiffness to corrugated steel web continuous rigid frame bridge, test model comprises test beam and bridge pier.Test beam is three across non-uniform beam, and wherein 1 is corrugated steel web combined box beam, and another 1 is concrete box girder, is numbered L1# and L2# beam respectively; In order to simulate different pier beam ratio of rigidity situations, adopting split blade type bridge pier, utilizing the various combination of pier cap pier section to be changed; Realize Dun Liang by fixed-hinged support and pier cap between test beam and bridge pier to connect.
Bridge pier comprises anchorage part and pier shaft, for a change pier section, namely changes pier stiffness, and bridge pier is made up of 3 three Thin-Wall Piers, and 3 Thin-Wall Piers are indulged bridge and are respectively 60mm to thickness, 150mm and 60mm, and direction across bridge is measure-alike, is 500mm, is highly all 800mm.The area of midsection+two end section of bridge pier and be A1, the area of midsection is A2, the area of two end sections and be A3.The connection of fixed-hinged support, pier cap and bridge pier is respectively as shown in Figure 11, Figure 12, Figure 13.
Carrying out model analysis by carrying out time domain approach to each operating mode stochastic sampling data, finally obtaining the base rank natural frequency of vibration of the longitudinal each operating mode of continuous rigid frame bridge model, as shown in table 1.
Table 1 indulges bridge to natural frequency of vibration measured value
According to continuous rigid frame bridge test model design size, finite element software MIDAS is utilized to set up corrugated steel web continuous rigid frame bridge and concrete continuous rigid structure bridge model of element respectively, being rigidly connected in the elasticity connection type adopting MIDAS software to carry between beam pier, simulation Dun Liang just connects.When calculating different rigidity ratio of beam to pier respectively, continuous rigid frame bridge indulges bridge to the base rank natural frequency of vibration, and to carry out contrast as shown in table 2 with measured value.
Table 2 is indulged bridge and is contrasted to calculation of natural vibration frequency and actual measurement
This device visible effectively can simulate the situation of continuous rigid frame bridge, and the bridge pier performance of this stiffness variable is embodied in test.
Claims (1)
1. can change a bridge testing support for using function, comprise pier cap and bearing, it is characterized in that:
Pier cap is fixedly connected with bridge pier by bolt, and bearing is fixedly connected with pier cap by bolt;
Bearing is divided into upper plate (1) and lower shoe (4) two parts, the two ends of upper plate (1) lower surface arrange two upper ear plates be parallel to each other (21), the two ends of lower shoe (4) upper surface respectively arrange two lower ear plates be parallel to each other (22), and relative with position, the left and right sides respectively upper ear plate (21) of two, left and right sides lower ear plate (22) coordinates; Upper ear plate (21) arranges many floors with the both sides of lower ear plate (22);
Described bearing is divided into fixed-hinged support, moveable hinge bearing and rigid mount three kinds of forms:
The upper ear plate (21) of bearing arranges the relative screw in 3 positions respectively with on lower ear plate (22); Carry out bolt by the screw in the middle of upper lower ear plate between upper plate (1) with lower shoe (4) to be connected, form fixed-hinged support;
The upper ear plate (21) of bearing and lower ear plate (22) are arranged respectively 1 and be positioned at the screw that middle Long Circle hole and 2 are positioned at both sides, Long Circle hole; Carry out bolt by the Long Circle hole in the middle of upper lower ear plate between upper plate (1) with lower shoe (4) to be connected, form moveable hinge bearing;
The upper plate (1) of fixed-hinged support with carry out bolt by upper lower ear plate 3 screws between lower shoe (4) and be connected, or carry out bolt by the Long Circle hole of upper lower ear plate and two ends screw between the upper plate of moveable hinge bearing (1) with lower shoe (4) to be connected, form rigid mount;
Described pier cap is divided into two ends pier cap and middle pier cap; Bearing is connected with two ends pier cap or is connected with middle pier cap or is connected with two ends pier cap and middle pier cap simultaneously, coordinates split blade type bridge pier, realizes the change of pier stiffness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210006433.9A CN102539094B (en) | 2012-01-10 | 2012-01-10 | Bridge testing support capable of changing use function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210006433.9A CN102539094B (en) | 2012-01-10 | 2012-01-10 | Bridge testing support capable of changing use function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102539094A CN102539094A (en) | 2012-07-04 |
| CN102539094B true CN102539094B (en) | 2015-04-15 |
Family
ID=46346539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210006433.9A Expired - Fee Related CN102539094B (en) | 2012-01-10 | 2012-01-10 | Bridge testing support capable of changing use function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102539094B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2423313Y (en) * | 2000-02-11 | 2001-03-14 | 宝鸡桥梁工厂 | Straddle type track traffic PC track beam support |
| CN2426489Y (en) * | 2000-06-07 | 2001-04-11 | 国营重庆重型铸锻厂 | Single-track traffic PC rail beam cast steel supporter |
| US6672763B1 (en) * | 1998-11-05 | 2004-01-06 | Ina-Schaeffler Kg | Compensating bearing |
| CN101440601A (en) * | 2008-12-31 | 2009-05-27 | 北京交通大学 | Position adjustable rail beam bearing |
| CN101718077A (en) * | 2008-10-09 | 2010-06-02 | 上海市城市建设设计研究院 | Bridge girder anti-seismic bearing |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4822965B2 (en) * | 2006-07-20 | 2011-11-24 | 大阪府 | Anchor bolt with shock absorber, shock absorber used therefor, and repair method of existing anchor bolt |
-
2012
- 2012-01-10 CN CN201210006433.9A patent/CN102539094B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6672763B1 (en) * | 1998-11-05 | 2004-01-06 | Ina-Schaeffler Kg | Compensating bearing |
| CN2423313Y (en) * | 2000-02-11 | 2001-03-14 | 宝鸡桥梁工厂 | Straddle type track traffic PC track beam support |
| CN2426489Y (en) * | 2000-06-07 | 2001-04-11 | 国营重庆重型铸锻厂 | Single-track traffic PC rail beam cast steel supporter |
| CN101718077A (en) * | 2008-10-09 | 2010-06-02 | 上海市城市建设设计研究院 | Bridge girder anti-seismic bearing |
| CN101440601A (en) * | 2008-12-31 | 2009-05-27 | 北京交通大学 | Position adjustable rail beam bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102539094A (en) | 2012-07-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Wang et al. | Parameter sensitivity study on flutter stability of a long-span triple-tower suspension bridge | |
| Nåvik et al. | A wireless railway catenary structural monitoring system: Full-scale case study | |
| CN203929356U (en) | Large scale Segment Model test unit | |
| Wei et al. | Modal analysis of a cable-stayed bridge | |
| Costa et al. | Rehabilitation assessment of a centenary steel bridge based on modal analysis | |
| CN102539094B (en) | Bridge testing support capable of changing use function | |
| CN102426049A (en) | Multi-shear-beam type weighing sensor | |
| CN101887468A (en) | Method for calculating longitudinal force of ballastless track on bridge | |
| Zhang et al. | Simplified calculation method for the fundamental period of floating cable-stayed bridge | |
| CN105957428A (en) | Structural mechanic experiment device for drawing multi-span beam influence line through kinematic method and structural mechanic experiment method thereof | |
| CN202048877U (en) | Rapid measuring tool for thick plate camber | |
| Awall et al. | Free vibration characteristics of horizontally curved continuous multi I-girder bridge | |
| CN105387784A (en) | Instrument cross beam check tool | |
| CN201077281Y (en) | Multifunctional combined mathematics ruler | |
| CN207556636U (en) | A kind of rail mounted weighing sensor | |
| RU2013144944A (en) | DETERMINATION OF AREA OF POSSIBLE DISPLACEMENTS | |
| CN103422428A (en) | Horizontal wind vibration reaction control system of cable-stayed bridge with rigid hinges arranged in girder | |
| CN201013856Y (en) | Gravitational force energy consumption reducing lever | |
| Han et al. | Study on the static and dynamic load test of Skew Bridge | |
| RU103220U1 (en) | STAND OF SEISMIC AND VIBRATION TESTS OF TVS LAYOUTS | |
| CN202494465U (en) | Explosion test apparatus | |
| CN102967431B (en) | The test unit of the two-way autovibration of simulation uniform flow deep sea vertical pipe | |
| Xiang et al. | Structural health monitoring system of steel-tube arch bridge: Design and implementation of a teaching demonstration platform | |
| Zhou et al. | Dynamic analysis of hinge joint voided slab wide bridge | |
| CN102539230B (en) | Clamp for measuring joint stiffness of automobile body |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Baodong Inventor after: Wang Yuanfeng Inventor after: Han Bing Inventor after: Li Pengfei Inventor after: Yang Mingzhe Inventor before: Liu Baodong |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LIU BAODONG TO: LIU BAODONG WANG YUANFENG HAN BING LI PENGFEI YANG MINGZHE |
|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20150415 Termination date: 20190110 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |