CN211897821U - Concrete bridge deck plate box type combination beam - Google Patents
Concrete bridge deck plate box type combination beam Download PDFInfo
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- CN211897821U CN211897821U CN202020251504.1U CN202020251504U CN211897821U CN 211897821 U CN211897821 U CN 211897821U CN 202020251504 U CN202020251504 U CN 202020251504U CN 211897821 U CN211897821 U CN 211897821U
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Abstract
The embodiment of the utility model discloses a concrete bridge deck plate box type combination beam, which comprises a bridge pier, wherein a beam body is erected on the bridge pier, a temporary sliding support is arranged between the beam body and the bridge pier, the temporary sliding support comprises a vibration isolation support connected with the bridge pier, the vibration isolation support comprises a bottom plate connected with the bridge pier, a plurality of limiting plates are superposed on the upper end of the bottom plate, a top plate is arranged on the upper end of each limiting plate, a limiting steel plate is connected on the upper end of the top plate through a high-strength bolt, the limiting steel plate is connected with the beam body and is connected through the top plate of the high-strength bolt vibration isolation support, when the shearing force of the temporary sliding support under the action of earthquake is larger than the design load of the high-strength bolt, the high-strength bolt is cut off, the limiting steel plate and the vibration isolation support become a movable support, the correction after the longitudinal bridge shakes is convenient.
Description
Technical Field
The embodiment of the utility model provides a relate to bridge building technical field, concretely relates to concrete bridge panel box type composite beam.
Background
The anti-seismic design of the bridge can effectively prolong the service life of the whole bridge, mainly refers to design elements for pertinently enhancing the anti-seismic property of the bridge structure in the design process of the bridge, and the design mode can ensure that the bridge is flexibly supported in the horizontal direction so as to ensure that the service life of the whole bridge is prolonged. The main forms of seismic damage of bridge structures include bending damage, shearing damage, beam falling damage and support damage.
For the support damage, the earthquake inertia force of the upper structure is transmitted to the lower structure through the support, when the transmitted load exceeds the design strength of the support, the support is damaged and destroyed, the support damage is also the main reason for causing the beam falling damage, and for the lower structure, the support damage can prevent the earthquake load of the upper structure from being transmitted to the bridge pier, and the bridge is prevented from being damaged.
The sliding support in the prior art can obviously reduce the seismic force of a pier, but a large relative displacement can be generated at the support, and the correction of the longitudinal bridge after the earthquake is difficult.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a concrete decking box combination beam, the roof of injecing the steel sheet through high strength bolt vibration isolation bearing is connected, when earthquake effect lower interim sliding support shearing force is greater than high strength bolt design load, high strength bolt is cut off, injecing the steel sheet and become the movable support that can freely slide with the vibration isolation bearing to solve among the prior art because sliding support can produce great relative displacement and the bridge longitudinal bridge that leads to behind the earthquake rectify more difficult problem behind the earthquake.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
the utility model discloses an embodiment provides a concrete bridge panel case type combination beam, including the pier, the pier is put on the shelf and is equipped with the roof beam body, the roof beam body with be provided with interim sliding support between the pier, interim sliding support include with the vibration isolation support that the pier is connected, the vibration isolation support include with the bottom plate that the pier is connected, bottom plate upper end stack is provided with a plurality of limiting plates, and is a plurality of be provided with the cushion chamber in the middle of the limiting plate, the limiting plate upper end is provided with the roof, be provided with the connection in the cushion chamber the bottom plate with the cushion column of roof, there is the limited steel sheet roof upper end through high strength bolted connection, limit the steel sheet with the roof beam body is connected.
The utility model discloses the characteristic still lies in, be provided with the guide way on the roof, it inlays the dress and is in to be provided with on the injecing steel sheet direction slider in the guide way, the guide way is close to a side end face of direction slider is provided with the rubber pad.
The utility model discloses the characteristic still lies in, and is adjacent be provided with the blotter between the limiting plate, the bottom plate is the ascending C type structure of opening, and is a plurality of the limiting plate inlay the dress with in the open slot of bottom plate.
The utility model discloses the characteristic still lies in, be close to in the cushion chamber the cushion column is provided with the rubber circle, the cushion column is T type structure, the cushion column is close to the one end of bottom plate is provided with the rubber blotter.
The embodiment of the utility model provides a characterized in that still, the diameter size of guide way is greater than the diameter size of direction slider.
The utility model discloses an embodiment has following advantage:
(1) the temporary sliding support is arranged between the beam body and the pier, the limiting steel plate is connected with the top plate of the high-strength bolt vibration isolation support, when the shearing force of the temporary sliding support is greater than the design load of the high-strength bolt under the action of earthquake, the high-strength bolt is cut off, and the limiting steel plate and the vibration isolation support become a movable support capable of freely sliding, so that the relative displacement of the support after the earthquake is reduced, and the correction of the longitudinal bridge after the earthquake is facilitated;
(2) the utility model discloses a vibration isolation support includes the limiting plate that a plurality of stack combinations formed, and is provided with the rubber circle between the adjacent limiting plate, thereby has improved the utility model discloses vibration isolation support's vertical and horizontal vibration isolation shock-absorbing capacity.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
in the figure:
1-bridge pier; 2-a beam body; 3-vibration isolation support; 4-high strength bolts; 5-defining a steel plate; 6-a buffer pad; 7-rubber ring; 8-rubber buffer pad;
31 a base plate; 32-limiting plate; 33-a buffer chamber; 34-a top plate; 35-a buffer column; 36-a guide groove; 37-rubber pad;
51-guide slide.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, the utility model provides a concrete bridge panel box combination beam, including pier 1, 1 upper bracket of pier is equipped with the roof beam body 2, is provided with interim sliding support between the roof beam body 2 and the pier 1, the utility model discloses an interim sliding support includes the vibration isolation support 3 that is connected with pier 1, and the upper end of vibration isolation support 3 is connected with through high strength bolt 4 and prescribes a limit to steel sheet 5, prescribes a limit to steel sheet 5 and is connected with the roof beam body 2, and for this reason, when interim sliding support shearing force is greater than high strength bolt 4 design load under the earthquake effect, high strength bolt 4 is cut off, prescribes a limit to steel sheet 5 and vibration isolation support 3 and become the free sliding's movable support that can not only provide the cushioning effect for the vibrations of roof beam body 2, can help the roof beam body 2 in addition reduce the vibration isolation support 3 offset that the earthquake caused, the.
The utility model discloses a vibration isolation support 3 includes the bottom plate 31 that is connected with pier 1, and bottom plate 31 upper end stack is provided with a plurality of limiting plates 32, is provided with blotter 6 between the adjacent limiting plate 32, has improved through blotter 6 the utility model discloses 3 vertical shock-absorbing capacity of vibration isolation support, in addition because a plurality of limiting plates 32 stack is constituteed, thereby be convenient for the utility model discloses vibration isolation support 3's lateral shifting has effectively improved 3 horizontal vibration isolation shock-absorbing capacity of vibration isolation support.
Be provided with cushion chamber 33 in the middle of a plurality of limiting plates 32, limiting plate 32 upper end is provided with roof 34, is provided with the cushion column 35 of connecting bottom plate 31 and roof 34 in the cushion chamber 33, and cushion column 35 is T type structure, and when the roof beam body vertically shakes, through T type structure cushion column 35 to 1 direction extrusion limiting plate 32 of pier, through setting up 6 vertical atress that slow down of blotter between limiting plate 32, improve the vibration isolation effect.
In addition, a rubber buffer pad 8 is provided at one end of the buffer post 35 near the bottom plate 31, so as to move up and down through the buffer post 35.
Be provided with rubber circle 7 near cushion column 35 in cushion chamber 33, when cushion column 35 transversely rocked, cushion column 35 extrusion rubber circle 7 to do the utility model discloses the support provides horizontal cushioning effect, improves the shock-absorbing capacity.
Furthermore, the utility model discloses a bottom plate 31 is the ascending C type structure of opening, and in a plurality of limiting plates 32 inlayed the dress and the open slot of bottom plate 31, provide limiting displacement for limiting plate 32's installation through bottom plate 31 to reduce limiting plate 32's relative movement.
The utility model discloses a roof 34 upper end is connected with through high strength bolt 4 and restricts steel sheet 5, be provided with guide way 36 on roof 34, be provided with the direction slider 51 of inlaying the dress in guide way 36 on restricting steel sheet 5, guide way 36 is close to a side end face of direction slider 51 and is provided with rubber pad 37, when high strength bolt 4 is cut off under the earthquake effect, the direction slider 51 that sets up on restricting steel sheet 5 slides in the guide way 36 that sets up on roof 34, reduce the collision of the remaining guide way 36 of direction slider 51 on the one hand through the rubber pad 37 that sets up in guide way 36, on the other hand provides cushioning effect for the vibrations of the roof beam body 2.
In addition, the diameter size of the guide groove 36 is larger than that of the guide sliding block 51, so that the guide words 51 can slide freely in the guide groove 36, and the bridge can slide conveniently.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (5)
1. The utility model provides a concrete bridge deck plate box type combination beam, includes pier (1), the bridge body (2) is erected on pier (1), its characterized in that, the bridge body (2) with be provided with interim sliding support between pier (1), interim sliding support include with vibration isolation support (3) that pier (1) is connected, vibration isolation support (3) include with bottom plate (31) that pier (1) is connected, bottom plate (31) upper end stack is provided with a plurality of limiting plate (32), and is a plurality of be provided with cushion chamber (33) in the middle of limiting plate (32), limiting plate (32) upper end is provided with roof (34), be provided with in cushion chamber (33) and connect bottom plate (31) with cushion column (35) of roof (34), roof (34) upper end is connected with limited steel sheet (5) through high strength bolt (4), the limiting steel plate (5) is connected with the beam body (2).
2. The concrete bridge deck box-type combination beam as claimed in claim 1, wherein the top plate (34) is provided with a guide groove (36), the limiting steel plate (5) is provided with a guide slider (51) embedded in the guide groove (36), and one side end surface of the guide groove (36) close to the guide slider (51) is provided with a rubber pad (37).
3. The concrete bridge deck box-type combination beam as claimed in claim 1, wherein a buffer pad (6) is arranged between adjacent limiting plates (32), the bottom plate (31) is of a C-shaped structure with an upward opening, and a plurality of limiting plates (32) are embedded in open grooves of the bottom plate (31).
4. The concrete bridge deck box-type coupling beam as claimed in claim 1, wherein a rubber ring (7) is provided in the cushion chamber (33) adjacent to the cushion post (35), the cushion post (35) has a T-shaped structure, and a rubber cushion pad (8) is provided at one end of the cushion post (35) adjacent to the bottom plate (31).
5. The concrete bridge deck box-type bond beam of claim 2, wherein the guide groove (36) has a diameter dimension greater than a diameter dimension of the guide slider (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020251504.1U CN211897821U (en) | 2020-03-04 | 2020-03-04 | Concrete bridge deck plate box type combination beam |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020251504.1U CN211897821U (en) | 2020-03-04 | 2020-03-04 | Concrete bridge deck plate box type combination beam |
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| Publication Number | Publication Date |
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| CN211897821U true CN211897821U (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020251504.1U Active CN211897821U (en) | 2020-03-04 | 2020-03-04 | Concrete bridge deck plate box type combination beam |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114293458A (en) * | 2022-01-06 | 2022-04-08 | 中铁第五勘察设计院集团有限公司 | Longitudinal beam falling prevention device, bridge and bridge construction method |
-
2020
- 2020-03-04 CN CN202020251504.1U patent/CN211897821U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114293458A (en) * | 2022-01-06 | 2022-04-08 | 中铁第五勘察设计院集团有限公司 | Longitudinal beam falling prevention device, bridge and bridge construction method |
| CN114293458B (en) * | 2022-01-06 | 2023-11-17 | 中铁第五勘察设计院集团有限公司 | Longitudinal beam falling prevention device, bridge and bridge construction method |
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