CN211228287U - Novel highway pier anticollision device - Google Patents
Novel highway pier anticollision device Download PDFInfo
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- CN211228287U CN211228287U CN201921328989.3U CN201921328989U CN211228287U CN 211228287 U CN211228287 U CN 211228287U CN 201921328989 U CN201921328989 U CN 201921328989U CN 211228287 U CN211228287 U CN 211228287U
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Abstract
The utility model belongs to the highway bridge field, is a novel highway pier anti-collision device, specifically is single pier anti-collision in the central dividing strip of highway, including setting up concrete anticollision island and a plurality of metal crossbeam around the pier, the concrete anticollision island is set up in two sides of meeting the car direction of the pier symmetrically, a plurality of metal crossbeams are set up in the other two sides or one side among them of pier; the width direction both ends edge of concrete anticollision island has the recess, and the both ends of metal crossbeam are fixed respectively in the recess at two concrete anticollision island width edges that the symmetry set up. The single pier anti-collision device in the central road partition belt of the utility model adopts a metal beam structure, the beam structure has the characteristics of high strength and small deformation, and the width of the beam structure is only 14cm, so that the central road partition belt can be prevented from being locally widened; the metal beam can flexibly adopt different protection levels, has the buffer guiding performance, is striking and attractive, is convenient to construct, and the whole anti-collision device is additionally provided with a pvc cover at the top to carry out totally-enclosed treatment, thereby avoiding the accumulation of various sundries.
Description
Technical Field
The utility model belongs to public road bridge roof beam field relates to a pier buffer stop, concretely relates to highway pier anticollision.
Background
The protection object of the central separation belt protection facility is a pier, a rigid anti-collision facility is suitable for preventing vehicles from directly impacting the pier, and at present, more anti-collision facilities are adopted domestically and are provided with reinforced corrugated beam guardrails, split concrete anti-collision islands and concrete guardrails.
1. The reinforced type is divided into a corrugated beam guardrail: the wave form roof beam that the pier department was established in the median zone carries out reinforcement processing, and it is many wave roof beams to have to encrypt steel stand interval or strengthen by two wave roof beams to be common, but this kind of wave form roof beam guardrail is the semi-rigid guardrail, has great deflection, and this kind of guardrail has certain effect to preventing the small-size vehicle striking, and is limited to large vehicle striking protective effect, is difficult to guarantee pier safety.
2. Split type concrete anticollision island: the concrete anti-collision islands are arranged on two sides of the bridge pier in the direction opposite to the vehicle, and the middle bridge pier is exposed, so that the collision of the vehicle to the bridge pier cannot be completely avoided.
3. Concrete guard bar: the concrete guardrail is an anti-collision facility adopted in the current specification, and the concrete guardrail is adopted to surround and encapsulate the bridge pier. This solution requires the central dividing strip to be widened as a whole or to be provided with local widening and transition sections at the bridge piers. The overall widening of the central banks can increase the occupied area of the road, and the local widening of the central banks at the bridge piers can cause the linear distortion of the road.
Disclosure of Invention
To the problem that exists among the background art, the utility model provides an existing central separation zone space of make full use of reforms transform the implementation under the prerequisite that does not invade and account for the building boundary limit, realizes that vehicle frontal collision stops in advance not striking the pier, and side collision is not seriously cut the rubbing pier, possesses good buffering, energy dissipation, direction performance, carries out single pier buffer stop in the neotype highway central separation zone of effective protection to the driver and crew.
The utility model adopts the technical scheme as follows: the utility model provides a novel highway pier anticollision device, is including being located the metal crossbeam array of pier one side, every metal crossbeam both ends in the metal crossbeam array are fixed in respectively on the pier anticollision structure of adjacent other both sides.
The utility model provides a novel highway pier anticollision device, other both sides pier anticollision structure is island or the middle island of concrete anticollision.
The utility model provides a novel highway pier anticollision device, the recess has on the lateral wall of anticollision structure, and the one end of arbitrary metal crossbeam in the metal crossbeam array is fixed in the lateral wall recess of one of them anticollision island, and the other end is fixed in the homonymy lateral wall recess of another anticollision island.
The utility model provides a novel highway pier anticollision device, the side upper berth that the pier was kept away from to the metal crossbeam array is equipped with the steel sheet.
The utility model provides a novel highway pier anticollision device, the side upper berth that the pier was kept away from to the metal crossbeam array is equipped with the steel sheet.
The utility model provides a both ends that novel highway pier anticollision device, anticollision island width direction's both ends all are grown out the pier equidirectional.
A cover is additionally arranged at the top of the novel highway pier anti-collision device, and full-closed treatment is carried out.
A novel highway pier anti-collision device is characterized in that a reflective film vertical face mark is arranged on an outer vertical face of the anti-collision device.
The utility model discloses following beneficial effect has:
1. the utility model discloses a single pier buffer stop in median of highway central authorities separate zone has adopted metal crossbeam structure, and this crossbeam structure has intensity height, the little characteristic of deformation, and its width only 14cm, can avoid carrying out the part to widen highway central authorities separate zone.
2. The metal beam can flexibly adopt different protection levels: according to the practical conditions of different projects, cross beams are arranged in the form of metal beam column type guardrails with different protection levels such as Am, SBm and SAm, and different arrangement modes are selected for the cross beams.
3. Buffering guidance performance: this wave form roof beam guardrail on anticollision facility and the normal highway section links up each other through setting up the changeover portion that accords with the standard requirement, forms the continuous protection system that possesses the rigidity transition, when preventing that the vehicle from striking the pier, possesses good energy dissipation, buffering, guide effect to can ensure driver and crew's life safety.
4. Striking and beautiful appearance: the integral appearance of the pier anti-collision device is very similar to that of a pier cushion cap higher than the ground, and after the outer vertical surface of the anti-collision device is provided with the reflective film vertical surface mark, the reflective film vertical surface mark on the pier is added, so that the pier anti-collision device is striking and attractive, can remind a driver to pay attention, and reduces the occurrence of pier collision accidents.
5. The construction is convenient: the reinforced concrete anti-collision island has the advantages that mutual interference with other road facilities is avoided, the foundation burial depth of the reinforced concrete anti-collision island is 60cm, and generally, the reinforced concrete anti-collision island cannot interfere with electromechanical pipelines (the burial depth of the electromechanical pipelines is generally 80cm) buried in a pier foundation and a central separation zone.
6. The whole anti-collision device is additionally provided with a pvc cover at the top for full-closed treatment, so that various sundries can be prevented from being accumulated.
Drawings
Fig. 1 is a schematic elevation structure view of a novel anti-collision device for piers in a central separation zone of a highway in embodiment 1 of the invention;
fig. 2 is a schematic plan view of embodiment 1 of the present invention;
FIG. 3 is a schematic plan view of the concrete crash island of FIG. 1;
FIG. 4 is a cross-sectional view taken along line II-II of FIG. 1;
FIG. 5 is a cross-sectional view taken along line III-III of FIG. 1;
FIG. 6 is a cross-sectional view taken at I-I in FIG. 1;
FIG. 7 is an enlarged view taken at A in FIG. 1;
FIG. 8 is a schematic plan view of the structure of example 2;
FIG. 9 is a schematic view of a concrete intermediate island structure in example 2;
FIG. 10 is a schematic plan view of the structure of example 3;
FIG. 11 is a schematic plan view of the structure of example 4;
fig. 12 is a schematic plan view of the crash island of fig. 11.
1. Concrete anti-collision island 2, metal cross beam 3, steel plate 4, connecting bolt 5, bridge pier 6, two-wave beam guardrail 7, three-wave beam guardrail 8 and concrete middle island
Detailed Description
Example 1
As shown in fig. 1 and 2, a single pier collision avoidance device in a novel highway central separation zone comprises a concrete collision avoidance island 1 and a plurality of metal cross beams 2, wherein the concrete collision avoidance island 1 and the metal cross beams 2 are arranged around a pier, the concrete collision avoidance island 1 is symmetrically arranged on two sides of the pier in the vehicle-facing direction, and the metal cross beams 2 are arranged on the other two sides of the pier. The metal beam can flexibly adopt different protection levels: according to the practical conditions of different projects, cross beams are arranged in the form of metal beam column type guardrails with different protection levels such as Am, SBm and SAm, and different arrangement modes (including number, distance and total height) are selected for the cross beams. For the roads with three or more unidirectional lanes, the innermost lane is mainly a passing car, the pier anti-collision device can adopt Am protection grade, the height of the anti-collision device is 1m, and the number of the metal cross beams is 3. Secondly, for a one-way two-lane road, the traffic volume is large, the proportion of large vehicles is high, or the bridge piers are located on a sharp-turn steep slope section, so that the probability of the large vehicles colliding with the bridge piers is high, the anti-collision device can adopt a high protection grade, SBm or SAm is adopted, the height of the anti-collision device is 1.25m or 1.50m, and the number of metal cross beams is 4. In this embodiment, 4 on each side are used, as shown in fig. 3, 4 and 5.
The two ends of the concrete anti-collision island 1 in the width direction d are respectively longer than the two ends of the pier 5 in the same direction, in the embodiment, the width ce of the concrete anti-collision island 1 is larger than the diameter ab of the pier 5, namely, the end c of the concrete anti-collision island 1 in the width direction is longer than the end a of the pier 5 in the same direction; the e end of the concrete anti-collision island 1 in the width direction is longer than the b end of the pier 5 in the same direction. And two symmetrically arranged concrete anti-collision islands 1 are respectively provided with a groove 12 and a groove 13 in the width direction, and the grooves are used for fixing metal cross beams. As shown in fig. 2, a groove 12 and a groove 13 are provided in the width ce direction of the concrete crash island, a groove 12 and a groove 13 are also provided at a position corresponding to another concrete crash island 1, and two ends of the metal beam are respectively fixed in the grooves by connecting bolts. As shown in fig. 1, two ends of the metal beam 2 are respectively fixed in two grooves 12 of two symmetrical concrete crash islands. Two ends of the corresponding metal cross beam 2 on the other side are respectively fixed in two grooves 13 of the two symmetrical concrete anti-collision islands through connecting bolts 4. The 4 metal cross beams are erected on the left and right concrete anti-collision islands from the bottom of the bridge pier upwards in sequence, as shown in fig. 3 and 4. And steel plates 3 are further paved on the side surfaces, far away from the bridge pier, of the 4 metal cross beams 2. The steel plate 3 is fixed at the outer edge of the concrete crash island 1 by connecting bolts 4, as shown in fig. 3 and 7.
As shown in fig. 1, 2 and 5, the two concrete collision-prevention islands 1 at the two ends of the metal cross beam 2 on one side of the pier are respectively provided with a corrugated beam fixing groove 14, and the two corresponding concrete collision-prevention islands 1 at the two ends of the metal cross beam 2 on the other side of the pier are also respectively provided with a corrugated beam fixing groove 15. A three-wave beam guardrail 7 and a two-wave beam guardrail 6 are sequentially arranged in the wave beam fixing groove from top to bottom; the rear end of the upper three-wave beam guardrail 7 is connected with the three-wave beam guardrail 7 of the central road separation belt. Wherein, the three wave beam guardrails 7 and the two wave beam guardrails 6 which are arranged in the wave beam fixing grooves in sequence from top to bottom are transition sections between the pier anti-collision device and the highway central separation zone. The arrangement of the transition section is good, and the bridge pier anti-collision device is in transition connection with the highway separation strip, so that the bridge pier anti-collision device becomes a complete integral structure.
The single-sided and/or double-sided arrangement of the metal cross beam 2 mainly depends on whether both sides of the bridge pier are communicated. If be applicable to the roadside pier when metal crossbeam single face sets up: when the road side pier is closer to the road edge, and the concrete guardrail can not be normally arranged, the form of the anti-collision device can be adopted and can be arranged according to a single-sided structure. Considering that the traffic flow of the lanes close to the roadside is mainly concentrated into large and super-large vehicles, the tonnage is heavy, the speed is high, the collision energy is large, the SAm protection grade is suggested to be adopted, the height of the anti-collision device is 1.50m, and the number of the metal cross beams is 4.
In order to prevent the accumulation of the sundry and garbage, the whole anti-collision device is additionally provided with a cover at the top, and the cover can be a PVC cover. Thereby carrying out totally-enclosed treatment on the whole anti-collision device. In order to remind drivers and passengers, the outer vertical surface of the anti-collision device is provided with a reflective film vertical surface mark.
Example 2
As shown in fig. 8 to 9, a novel dual-post pier collision avoidance device in a highway central separation band comprises a concrete collision avoidance island 1, a concrete middle island 6 and a plurality of metal cross beams 2, wherein the concrete collision avoidance island 1, the concrete middle island 6 and the metal cross beams are arranged around a dual-post pier, the concrete collision avoidance island 1 is symmetrically arranged in two vehicle-facing directions of the dual-post pier 5, and the concrete middle island 1 is arranged between the two piers 5; and the plurality of metal cross beams 2 are arranged on the other two sides of the pier. Two ends of the two concrete anti-collision islands 1 in the width d direction are respectively longer than two ends of the bridge pier 5 in the same direction, and the edges of the two ends of the concrete anti-collision islands 1 in the width d direction are provided with grooves 12 and 13; two ends fg in the width direction of the two sides of the corresponding concrete middle island 6 are also longer than two ends of the pier 5 in the same direction, and the edges of the two ends fg in the width direction of the two sides of the concrete middle island 6 are provided with a groove 62, a groove 63, a groove 64 and a groove 65; one end of the metal cross beam 2 is fixed in the edge groove 12 at one end of the concrete anti-collision island 1, and the other end of the metal cross beam is fixed in the edge groove 64 at one end f in the width direction of the concrete middle island 6 at the same side. The other end of the same side of the concrete middle island 6 is matched with the edge groove of the symmetrically arranged same side concrete anti-collision island 1, and a group of metal cross beams 2 are also arranged in the same way as the method. And the grooves 63 and the grooves 65 of the concrete middle island 6 are also provided with two groups of metal cross beams 2 respectively in the same side grooves with the concrete anti-collision island 1 in the same side by the same method. The two ends of the metal beam 2 are respectively fixed in the grooves through connecting bolts 4. And the plurality of metal cross beams 2 are erected on the adjacent concrete anti-collision island 1 and the concrete middle island from the bottom of the bridge pier upwards in sequence. And a steel plate 3 is further paved on the side surface, far away from the pier 5, of the metal cross beam 2.
In order to prevent the accumulation of the sundry and garbage, the whole anti-collision device is additionally provided with a cover at the top, and the cover can be a PVC cover. Thereby carrying out totally-enclosed treatment on the whole anti-collision device. In order to remind drivers and passengers, the outer vertical surface of the anti-collision device is provided with a reflective film vertical surface mark.
Example 3
As shown in fig. 10, the present embodiment is a multi-pier collision avoidance device having four piers, and the other structure of the present embodiment is the same as that of embodiment 1 except that a plurality of concrete intermediate island structures, that is, a total of 3 concrete intermediate islands as shown in fig. 10 are provided between the piers.
Example 4
As shown in fig. 11 to 12, when the present embodiment is located the roadside to the pier, that is, only one side of the pier is communicated with the vehicle, that is, the collision avoidance device for the roadside pier is suitable for the highway, and includes concrete collision islands 1 disposed on both sides of the pier and a plurality of metal cross beams 2 disposed on one side of the vehicle, wherein the concrete collision islands 1 are symmetrically disposed on both sides of the two vehicle-facing directions of the pier, and the plurality of metal cross beams 2 are disposed on one side of the vehicle communicated with the pier.
The two ends of the concrete anti-collision island 1 in the width direction d are respectively longer than the two ends of the pier 5 in the same direction, in the embodiment, the width ce of the concrete anti-collision island 1 is larger than the diameter ab of the pier 5, namely, the end c of the concrete anti-collision island 1 in the width direction is longer than the end a of the pier 5 in the same direction; the e end of the concrete anti-collision island 1 in the width direction is longer than the b end of the pier 5 in the same direction. And the edge of one end close to one side of the general car on the width direction of two symmetrically arranged concrete anti-collision islands 1 is provided with a groove 12, and the two ends of the metal beam are respectively fixed in the grooves 12 of the width edges of the two symmetrically arranged concrete anti-collision islands.
As shown in fig. 12, a groove 12 is provided at an edge e near the traffic side in the width ce direction of the concrete collision island, a groove 12 is also provided at a corresponding position of the other corresponding concrete collision island 1, and two ends of the metal beam are respectively fixed in the grooves by connecting bolts. As shown in fig. 11, two ends of the metal beam 2 are respectively fixed in two grooves 12 of two symmetrical concrete crash islands. The 4 metal cross beams are erected on the left and right concrete anti-collision islands from the bottoms of the piers upwards in sequence. And steel plates 3 are further paved on the side surfaces, far away from the bridge pier, of the 4 metal cross beams 2. The steel plate 3 is fixed at the outer edge of the concrete crash island 1 by the connecting bolt 4, as shown in fig. 11.
Considering that the traffic flow of the lanes close to the roadside is mainly concentrated into large and super-large vehicles, the tonnage is heavy, the speed is high, the collision energy is large, the SAm protection grade is suggested to be adopted, the height of the anti-collision device is 1.50m, and the number of the metal cross beams is 4.
Claims (8)
1. The utility model provides a novel highway pier anticollision device, its characterized in that is including the metal crossbeam array that is located pier one side, every metal crossbeam both ends in the metal crossbeam array are fixed in respectively on the pier anticollision structure of adjacent other both sides.
2. A novel highway pier anti-collision device as claimed in claim 1, wherein the other pier anti-collision structure is a concrete anti-collision island or a concrete middle island.
3. A novel highway pier collision avoidance device according to claim 1 or 2, wherein: the side wall of the anti-collision structure is provided with a groove, one end of any metal beam in the metal beam array is fixed in the side wall groove of one anti-collision island, and the other end of any metal beam is fixed in the side wall groove of the other anti-collision island.
4. A novel highway pier collision avoidance device according to claim 3, wherein: and steel plates are paved on the side surfaces, far away from the bridge piers, of the metal beam arrays.
5. A novel highway pier collision avoidance device according to claim 1 or 2, wherein: and steel plates are paved on the side surfaces, far away from the bridge piers, of the metal beam arrays.
6. A novel highway pier collision avoidance device according to claim 1, 2 or 4, wherein: both ends of the width direction of the anti-collision island are longer than both ends of the pier in the same direction.
7. A novel highway pier collision avoidance device according to claim 1, 2 or 4, wherein: the whole anti-collision device is additionally provided with a cover at the top for totally-enclosed treatment.
8. A novel highway pier collision avoidance device according to claim 1, 2 or 4, wherein: the outer vertical surface of the anti-collision device is provided with a reflective film vertical surface mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921328989.3U CN211228287U (en) | 2019-08-16 | 2019-08-16 | Novel highway pier anticollision device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921328989.3U CN211228287U (en) | 2019-08-16 | 2019-08-16 | Novel highway pier anticollision device |
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| CN211228287U true CN211228287U (en) | 2020-08-11 |
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| CN201921328989.3U Active CN211228287U (en) | 2019-08-16 | 2019-08-16 | Novel highway pier anticollision device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232532A (en) * | 2021-12-22 | 2022-03-25 | 河南省交通勘察设计有限公司 | Concrete guardrail and wave form roof beam guardrail connection structure |
-
2019
- 2019-08-16 CN CN201921328989.3U patent/CN211228287U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232532A (en) * | 2021-12-22 | 2022-03-25 | 河南省交通勘察设计有限公司 | Concrete guardrail and wave form roof beam guardrail connection structure |
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