CN112411370A - Bridge anti-collision guardrail connecting device and bridge - Google Patents
Bridge anti-collision guardrail connecting device and bridge Download PDFInfo
- Publication number
- CN112411370A CN112411370A CN202011309356.5A CN202011309356A CN112411370A CN 112411370 A CN112411370 A CN 112411370A CN 202011309356 A CN202011309356 A CN 202011309356A CN 112411370 A CN112411370 A CN 112411370A
- Authority
- CN
- China
- Prior art keywords
- bridge
- crash barrier
- connecting piece
- concrete
- barrier
- 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.)
- Pending
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/103—Parapets, railings ; Guard barriers or road-bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/14—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/14—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
- E01F15/145—Means for vehicle stopping using impact energy absorbers
Abstract
The invention discloses a bridge anti-collision guardrail connecting device and a bridge, wherein the bridge anti-collision guardrail connecting device comprises: a concrete crash barrier and a plurality of connecting pieces; one side of the concrete anti-collision guardrail is provided with an insertion part; one end of the connecting piece is connected with the steel structure anti-collision guardrail, and the other end of the connecting piece is inserted into the inserting part; the depth of insertion of the connector into the insertion portion can be adjusted. According to the invention, the connecting piece is arranged between the steel structure anti-collision guardrail and the concrete anti-collision guardrail, when the automobile is impacted, the steel structure anti-collision guardrail and the concrete anti-collision guardrail can both restrain the connecting piece, and the connecting piece can deform, so that the energy during impact can be absorbed, and the function of the anti-collision guardrail is further played. The connecting piece inserts concrete crash barrier, and is equipped with the buffering space between the bottom of connecting piece tip and insertion portion to the connecting piece also can freely stretch out and draw back in the insertion portion, adapts to the deformation of bridge, can improve bridge crash barrier connecting device's adaptability.
Description
Technical Field
The invention relates to the field of bridge engineering, in particular to a bridge anti-collision guardrail connecting device and a bridge.
Background
Crash barriers are widely used in bridges for the purpose of collision protection on both sides of a roadway. Crash barriers generally include two types: steel construction anticollision barrier and concrete anticollision barrier. Steel structure anti-collision guardrail is adopted to the large-span bridge more, and concrete anti-collision guardrail is adopted to the approach bridge of bridge more.
The wrong platform of adopting between traditional steel construction anticollision barrier and the concrete anticollision barrier is handled, namely extends steel anticollision barrier to overlap joint in concrete anticollision barrier department. The scheme is not beneficial to anti-collision safety and has potential safety hazards; meanwhile, the scheme is changed and is not attractive.
Disclosure of Invention
The invention aims to overcome the defects that potential safety hazards exist when a steel structure anti-collision guardrail is lengthened and is lapped with a concrete anti-collision guardrail in the prior art, and provides a bridge anti-collision guardrail connecting device and a bridge.
The invention solves the technical problems through the following technical scheme:
the utility model provides a bridge anticollision barrier connecting device for connect the steel construction anticollision barrier and the concrete anticollision barrier of bridge, bridge anticollision barrier connecting device includes: a concrete crash barrier and a plurality of connecting pieces;
one side of the concrete anti-collision guardrail is provided with an insertion part corresponding to the connecting piece;
one end of the connecting piece is connected with the steel structure anti-collision guardrail, and the other end of the connecting piece is inserted into the inserting part;
the connecting piece tip with be equipped with buffer space between the bottom of inserted part, the connecting piece inserts the degree of depth of inserted part can be adjusted.
In this scheme, locate between steel construction anticollision barrier and the concrete anticollision barrier through utilizing the connecting piece, when receiving the car striking, steel construction anticollision barrier and concrete anticollision barrier homoenergetic retrain the connecting piece, correspondingly, deformation also can take place for the connecting piece to can absorb the energy when striking, and then play anticollision barrier's effect. The connecting piece inserts concrete crash barrier, and is equipped with buffer space between the bottom of connecting piece tip and insertion portion, and the connecting piece inserts the degree of depth of insertion portion and can adjust to the connecting piece also can freely stretch out and draw back in the insertion portion, adapts to the vertical, horizontal deformation of bridge, can avoid forming stress concentration between steel construction crash barrier and concrete crash barrier, can improve bridge crash barrier connecting device's adaptability and life.
Preferably, bridge anticollision barrier connecting device still includes the stand, the stand with steel construction anticollision barrier is connected, the connecting piece passes through the stand is connected to steel construction anticollision barrier.
In this scheme, through utilizing the column erection connecting piece for stand and connecting piece can form relatively independent whole, thereby can improve bridge anticollision barrier connecting device's steadiness, simplify bridge anticollision barrier connecting device's installation step.
Preferably, the outer side of the connector matches the inner side of the insertion portion.
In this scheme, can improve the laminating degree of connecting piece and insertion portion, avoid the unexpected removal of connecting piece, and then improve the stability and the reliability of connecting piece.
Preferably, a plurality of the connecting pieces are arranged at intervals from top to bottom.
Preferably, the connecting piece is a steel pipe, and sealing plates are arranged at two ends of the steel pipe.
Preferably, the bridge anti-collision guardrail connecting device further comprises a pre-buried pipe, the pre-buried pipe is arranged in the inserting portion, and the connecting piece is inserted into the pre-buried pipe.
In the scheme, the neatness of the inner wall surface of the insertion part can be improved, and the insertion of the connecting piece is facilitated; the manufacturing difficulty of the concrete anti-collision guardrail can be reduced.
Preferably, the bottom of the embedded pipe is provided with a bottom plate.
Preferably, the insertion part is a blind hole, and the connecting piece is inserted into the blind hole; the blind hole extends inwards from the side surface, close to the steel structure anti-collision guardrail, of the concrete anti-collision guardrail.
Preferably, the insertion part is a notch, and the connecting piece is inserted into the notch; the notch is from concrete crash barrier be close to the side of steel construction crash barrier inwards extends, just the opening direction of notch is towards the side of the motor vehicle passageway of bridge.
The utility model provides a bridge, bridge includes steel construction anticollision barrier and concrete anticollision barrier, bridge still include as above bridge anticollision barrier connecting device, bridge anticollision barrier connecting device locates steel construction anticollision barrier with between the concrete anticollision barrier.
On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.
The positive progress effects of the invention are as follows:
according to the invention, the connecting piece is arranged between the steel structure anti-collision guardrail and the concrete anti-collision guardrail, when the automobile is impacted, the steel structure anti-collision guardrail and the concrete anti-collision guardrail can both restrain the connecting piece, and accordingly, the connecting piece can also deform, so that the energy during the impact can be absorbed, and the effect of the anti-collision guardrail is further realized. The connecting piece inserts concrete crash barrier, and is equipped with buffer space between the bottom of connecting piece tip and insertion portion, and the connecting piece inserts the degree of depth of insertion portion and can adjust to the connecting piece also can freely stretch out and draw back in the insertion portion, adapts to the vertical, horizontal deformation of bridge, can avoid forming stress concentration between steel construction crash barrier and concrete crash barrier, can improve bridge crash barrier connecting device's adaptability and life.
Drawings
Fig. 1 is a schematic structural view of a bridge crash barrier connection device according to a preferred embodiment of the present invention.
Fig. 2 is a side view of the bridge crash barrier connection of fig. 1.
FIG. 3 is another side elevational view of the bridge crash barrier attachment apparatus of FIG. 1.
Description of reference numerals:
bridge crash barrier connecting device 100
Connecting piece 2
Base plate 6
Steel structure anti-collision guardrail 7
Detailed Description
The present invention will be more clearly and completely described below by way of examples in conjunction with the accompanying drawings, but the present invention is not limited thereto.
As shown in fig. 1-3, the present embodiment is a bridge crash barrier connecting device 100 for connecting a steel structure crash barrier 7 and a concrete crash barrier of a bridge, the bridge crash barrier connecting device 100 comprising: a concrete crash barrier 4 and a plurality of connecting pieces 2; one side of the concrete crash barrier 4 is provided with an insertion part 5 corresponding to the connecting piece 2; one end of the connecting piece 2 is connected with the steel structure anti-collision guardrail 7, and the other end of the connecting piece 2 is inserted into the inserting part 5; a buffer space is arranged between the end part of the connecting piece 2 and the bottom of the inserting part 5, and the depth of the connecting piece 2 inserted into the inserting part 5 can be adjusted. This embodiment is through utilizing connecting piece 2 to locate between steel construction anticollision barrier 7 and concrete anticollision barrier 4, when receiving the automobile impact, steel construction anticollision barrier 7 and concrete anticollision barrier 4 homoenergetic retrain connecting piece 2, and correspondingly, connecting piece 2 also can take place deformation to can absorb the energy when striking, and then play anticollision barrier's effect. Connecting piece 2 inserts concrete crash barrier 4, and be equipped with the buffer space between 2 tip of connecting piece and the bottom of insertion part 5, the degree of depth that connecting piece 2 inserted insertion part 5 can be adjusted, thereby connecting piece 2 also can freely stretch out and draw back in insertion part 5, adapt to vertically of bridge, horizontal deformation, can avoid forming stress concentration between steel construction crash barrier 7 and concrete crash barrier 4, can improve bridge crash barrier connecting device 100's adaptability and life.
As an embodiment, bridge crash barrier connecting device 100 still includes stand 1, and stand 1 is connected with steel construction crash barrier 7, and connecting piece 2 is connected to steel construction crash barrier 7 through stand 1. Through utilizing stand 1 erection joint spare 2 for stand 1 and connecting piece 2 can form relatively independent whole, thereby can improve bridge anticollision barrier connecting device 100's steadiness, simplify bridge anticollision barrier connecting device 100's installation procedure. The upright post 1 can be detachably mounted on the steel structure anti-collision guardrail 7 through fasteners and the like, and can also be directly fixed on the steel structure anti-collision guardrail 7 through a welding form. In other embodiments, the connector 2 can also be mounted to a post of a steel structural crash barrier 7, thereby further simplifying the structural configuration of the bridge crash barrier connection 100.
In this embodiment, the outer side of the connector 2 is matched to the inner side of the insertion portion 5. Thereby can improve the laminating degree of connecting piece 2 and inserting 5, avoid connecting piece 2 unexpected removal, and then improve the stability and the reliability of connecting piece 2.
In fig. 1, a plurality of connecting members 2 are arranged at intervals from top to bottom. The connectors 2 and the insertion portions 5 may be provided in one-to-one correspondence. It is also possible to provide a larger insert 5 into which several connecting elements 2 are inserted simultaneously.
As shown in fig. 2, the connecting member 2 may be a steel pipe, and sealing plates 3 are provided at both ends of the steel pipe. The sealing plate 3 can effectively prevent water vapor from entering the steel pipe, effectively improve the corrosion resistance of the steel pipe and prolong the service life of the steel pipe. In other embodiments, the connecting member 2 may be made of other materials, such as angle steel, flat steel or other profiled pipes. Accordingly, the cross-sectional shape of the insertion section 5 is adapted thereto.
In order to facilitate the insertion of the connecting piece 2, the connecting device 100 for the bridge anti-collision guardrail further comprises a pre-buried pipe, the pre-buried pipe is arranged in the insertion part 5, and the connecting piece 2 is inserted into the pre-buried pipe. Thereby improving the smoothness of the inner wall surface of the insertion part 5 and facilitating the insertion of the connecting piece 2; the manufacturing difficulty of the concrete crash barrier 4 can also be reduced. As an embodiment, the bottom of the pre-buried pipe may also be provided with a bottom plate 6. The bottom plate 6 can improve the structural strength of the insertion portion 5 and prevent the connector 2 from breaking the insertion portion 5. In this embodiment, the pre-buried pipe may be a circular steel pipe, and the inner diameter of the circular steel pipe is matched with the outer diameter of the connecting piece 2. In other embodiments, the cross section of the embedded pipe can be in other shapes, so that the connecting piece 2 can be inserted conveniently.
As shown in fig. 1, the insertion portion 5 is a blind hole, and the connecting member 2 is inserted into the blind hole; the blind hole extends inwards from the side of the concrete crash barrier 4 close to the steel structure crash barrier 7. The blind hole is preferably arranged in the middle of the side surface of the concrete crash barrier 4, and the blind holes and the connecting pieces 2 are arranged correspondingly one by one.
In other embodiments, the insertion portion 5 may be a slot, and the connection member 2 is inserted into the slot; the notch extends inwards from the side of the concrete crash barrier 4 close to the steel structure crash barrier 7, and the opening direction of the notch faces the side of the motor vehicle passage of the bridge. The notch can prevent that connecting piece 2 is unexpected to be removed, improves connecting piece 2's steadiness. If the concrete crash barrier 4 is arranged on both sides of the bridge, then a side of the concrete crash barrier 4 can be provided with a notch, which faces the motor vehicle lane. If the concrete crash barrier 4 is arranged in the middle of the bridge, then the notches can be arranged on two sides of the concrete crash barrier 4, the notches facing the vehicle lanes on both sides.
In fig. 1, 3 steel pipes are provided at intervals from top to bottom, and sealing plates 3 are provided at both ends of the steel pipes. One end of the steel pipe is connected to the steel structure anti-collision guardrail 7 through the upright post 1, and the other end of the steel pipe is inserted into the insertion part 5 of the concrete anti-collision guardrail 4. The number of the insertion portions 5 is also three, and the insertion portions 5 are provided in one-to-one correspondence with the steel pipes. The insertion portion 5 is provided with a buried pipe inside. The bottom of the pre-buried pipe is provided with a bottom plate 6.
The bridge crash barrier connecting device 100 of the present embodiment can be uniformly painted with the steel structure crash barrier 7 of the bridge. The bridge anti-collision guardrail connecting device 100 of the embodiment fully considers factors such as anti-collision, safety and landscape, realizes the anti-collision function, plays the role of an anti-collision guardrail, and can adapt to longitudinal and transverse deformation of a bridge structure. Meanwhile, the appearance is considered, and the influence of the joints of the anti-collision guardrails on the bridge landscape is reduced as much as possible. The bridge anti-collision guardrail connecting device 100 is simple in structure system and convenient to construct. Bridge anticollision barrier connecting device 100 can be applied to the anticollision barrier between steel structure bridge and the concrete bridge and be connected, does not receive the restriction of bridge span simultaneously, and application range is wide.
This embodiment also can be a bridge, and the bridge includes steel construction anticollision barrier 7 and concrete anticollision barrier, and the bridge still includes as above bridge anticollision barrier connecting device 100, and bridge anticollision barrier connecting device 100 locates between steel construction anticollision barrier 7 and the concrete anticollision barrier.
The bridge of this embodiment is receiving when the car striking, and steel construction anticollision barrier 7 and concrete anticollision barrier homoenergetic retrain bridge anticollision barrier connecting device 100, and correspondingly, deformation also can take place for bridge anticollision barrier connecting device 100 to can absorb the energy when striking, and then play anticollision barrier's effect. The length of the bridge anti-collision guardrail connecting device 100 can be adjusted, so that the bridge anti-collision guardrail connecting device can adapt to longitudinal and transverse deformation of a bridge, can avoid stress concentration between the steel structure anti-collision guardrail 7 and the concrete anti-collision guardrail, and can improve the adaptability and the service life of the bridge.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (10)
1. The utility model provides a bridge anticollision barrier connecting device for connect the steel construction anticollision barrier and the concrete anticollision barrier of bridge, its characterized in that, bridge anticollision barrier connecting device includes: a concrete crash barrier and a plurality of connecting pieces;
one side of the concrete anti-collision guardrail is provided with an insertion part corresponding to the connecting piece;
one end of the connecting piece is connected with the steel structure anti-collision guardrail, and the other end of the connecting piece is inserted into the inserting part;
the connecting piece tip with be equipped with buffer space between the bottom of inserted part, the connecting piece inserts the degree of depth of inserted part can be adjusted.
2. The bridge crash barrier connection device according to claim 1, further comprising a post connected to the steel structural crash barrier, wherein the connector is connected to the steel structural crash barrier through the post.
3. The bridge crash barrier attachment apparatus of claim 1 wherein the outer side of said attachment member mates with the inner side of said insert.
4. A bridge crash barrier attachment apparatus as claimed in claim 1 wherein a plurality of said attachment members are spaced apart from one another from top to bottom.
5. The bridge crash barrier connection device of claim 1 wherein said connection member is a steel tube having closure plates at opposite ends thereof.
6. The bridge crash barrier connection device according to claim 1, further comprising a pre-buried pipe disposed in the insertion portion, the connector being inserted into the pre-buried pipe.
7. A bridge crash barrier attachment apparatus as claimed in claim 6 wherein a base plate is provided at the bottom of said pre-buried pipe.
8. The bridge crash barrier connection device as recited in claim 1, wherein the insertion portion is a blind hole, and the connection member is inserted into the blind hole; the blind hole extends inwards from the side surface, close to the steel structure anti-collision guardrail, of the concrete anti-collision guardrail.
9. The bridge crash barrier connection device as recited in claim 1, wherein the insertion portion is a slot, and the connection member is inserted into the slot; the notch is from concrete crash barrier be close to the side of steel construction crash barrier inwards extends, just the opening direction of notch is towards the side of the motor vehicle passageway of bridge.
10. A bridge, the bridge comprising a steel structure crash barrier and a concrete crash barrier, the bridge further comprising a bridge crash barrier connecting device according to any one of claims 1-9, the bridge crash barrier connecting device being disposed between the steel structure crash barrier and the concrete crash barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011309356.5A CN112411370A (en) | 2020-11-20 | 2020-11-20 | Bridge anti-collision guardrail connecting device and bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011309356.5A CN112411370A (en) | 2020-11-20 | 2020-11-20 | Bridge anti-collision guardrail connecting device and bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112411370A true CN112411370A (en) | 2021-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011309356.5A Pending CN112411370A (en) | 2020-11-20 | 2020-11-20 | Bridge anti-collision guardrail connecting device and bridge |
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| CN (1) | CN112411370A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114411550A (en) * | 2022-02-17 | 2022-04-29 | 中铁二院工程集团有限责任公司 | Transition connection structure of metal beam column type guardrail and concrete guardrail |
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| CN111560886A (en) * | 2020-06-17 | 2020-08-21 | 中交第一公路勘察设计研究院有限公司 | Beam column type guardrail transition section of central division strip of highway |
| CN211872617U (en) * | 2020-01-07 | 2020-11-06 | 四川西南交大土木工程设计有限公司 | Permanent isolation guardrail for urban bridge |
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2020
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| DE202007010798U1 (en) * | 2007-08-01 | 2008-12-11 | Eurovia Beton Gmbh | Transition device from a concrete protection wall to a steel safety barrier on roads |
| CN201314033Y (en) * | 2008-08-18 | 2009-09-23 | 李建伟 | Prestressed road-and-bridge barrier transition bean |
| DE202009016995U1 (en) * | 2009-12-16 | 2010-04-08 | Tss Technische Sicherheits-Systeme Gmbh | Connecting element and connection system for connecting concrete sliding walls |
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| CN114411550A (en) * | 2022-02-17 | 2022-04-29 | 中铁二院工程集团有限责任公司 | Transition connection structure of metal beam column type guardrail and concrete guardrail |
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Application publication date: 20210226 |
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