CN217781726U

CN217781726U - Bridge anticollision barrier

Info

Publication number: CN217781726U
Application number: CN202221917672.5U
Authority: CN
Inventors: 李昆田; 李治江; 贾莹; 肖诚缤; 林尚田; 杨旭; 杨震宇
Original assignee: Sichuan Communications Construction Group Co Ltd
Current assignee: Sichuan Communications Construction Group Co Ltd
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2022-11-11
Anticipated expiration: 2032-07-22

Abstract

The utility model provides a bridge anticollision barrier, use with the cooperation of reinforced concrete anticollision barrier, can the old guardrail of make full use of, reduced the guardrail reinforcement and reformed transform the cost, and do not change guardrail outward appearance form and meet the face size of hitting, including the steel sheathing board, the inside cavity that is formed with of steel sheathing board, cavity one end is equipped with the opening, reinforced concrete anticollision barrier embedding sets up in the opening, and the steel sheathing board is kept away from opening one end and is high-order interception portion, is used for improving the interception height of anticollision barrier, is provided with wave form striking portion on the high-order interception portion, is used for reinforcing the structural strength and the buffering energy-absorbing of high-order interception portion striking face. It has solved present most reinforced concrete crash barrier and has had the net height on the low side, crashworthiness scheduling problem on the low side.

Description

Bridge anticollision barrier

Technical Field

The utility model relates to a guardrail reinforcement technical field particularly, relates to a bridge anticollision barrier.

Background

At present, the construction of the domestic reinforced concrete wall type guardrail mainly takes the new construction or the reconstruction and the extension as main parts, the high-speed construction of an existing service vehicle is carried out, the original guardrail is slower to break, the original guardrail can only be broken according to the daily construction amount, the turnover rate of a mould is low, the construction period is longer, the original bridge reinforced concrete guardrail is dismantled, the structural damage is easily caused, and the old guardrail cannot be effectively utilized. The traffic control time is longer, certain construction periods such as steel bar binding exist between the time when the reinforced concrete guardrail is dismantled and the time when the reinforced concrete guardrail is closed again and pouring, social vehicles running on an existing service traffic expressway are many and are miscellaneous, and the safety risk is extremely high. In addition, the construction commercial concrete on the highway can not be overloaded, the concrete pouring volume of each car is small, the construction organization is complex, and the construction quality is difficult to control.

Crash barriers are commonly used on highways or on highway bridges. So-called anticollision, it is really more durable, prevents the striking damage, and the vehicle is unlikely to break through the anticollision barrier when the emergence accident and falls into the road surface or the bridge floor below and cause bigger loss and injures and deaths. At present, most of bridges are provided with guard railings poured by reinforced concrete at two sides so as to reduce and avoid the damage of equipment and facilities caused by accidental impact when carrying equipment shuttles back and forth. Most of the existing reinforced concrete anti-collision guardrails have the problems of short net height, weak anti-collision capacity and the like, and are extremely inconvenient to replace and dismantle.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bridge anticollision barrier, it has solved current most of reinforced concrete anticollision barriers and has had the net height short on the left, and crashworthiness scheduling problem on the right side.

The embodiment of the utility model discloses a realize through following technical scheme: the utility model provides a bridge anticollision barrier, uses with the cooperation of reinforced concrete anticollision barrier, includes the steel lagging, the inside cavity that is formed with of steel lagging, cavity one end is equipped with the opening, reinforced concrete anticollision barrier embedding sets up in the opening, the steel lagging is kept away from opening one end is high-order interception portion for improve anticollision barrier's interception height, be provided with wave form striking portion in the high-order interception portion, be used for the reinforcing the structural strength and the buffering energy-absorbing of high-order interception portion striking face.

Further, the opening, the high-position intercepting part and the waveform impacting part are integrally formed, and the section of the opening, the high-position intercepting part and the waveform impacting part, which is perpendicular to the setting direction, is in a shape of 20866.

Furthermore, the opening is closely attached to two sides of the reinforced concrete anti-collision guardrail and fixed with the reinforced concrete anti-collision guardrail through a plurality of split bolts.

Furthermore, the wave-shaped impact part is positioned on one side of the high-position intercepting part close to the bridge deck, and the wave direction of the wave-shaped impact part is vertical.

Further, the number of peaks of the wave-shaped impact part is 1-3.

Furthermore, the high-position intercepting part inner cavity and a cavity is reserved between the reinforced concrete anti-collision guardrails, a plurality of vertical rib plates are arranged in the cavity at intervals, the upper ends and the left ends and the right ends of the vertical rib plates are respectively connected with the upper ends and the left ends and the right ends of the cavity, and the lower ends of the vertical rib plates are abutted to the tops of the reinforced concrete anti-collision guardrails.

Furthermore, the distance between adjacent vertical rib plates ranges from 0.4m to 1m.

Further, the steel plate frame further comprises transverse rib plates, and the transverse rib plates are horizontally arranged between two adjacent vertical rib plates.

The utility model discloses technical scheme has following advantage and beneficial effect at least:

the utility model relates to a rationally, moreover, the steam generator is simple in structure, a bridge anticollision barrier, use with the cooperation of reinforced concrete anticollision barrier, can the old guardrail of make full use of, the guardrail reinforcement transformation cost has been reduced, and does not change guardrail outward appearance form and meet the face size of hitting, including the steel sheathing board, the inside cavity that is formed with of steel sheathing board, cavity one end is equipped with the opening, reinforced concrete anticollision barrier embedding sets up in the opening, and the steel sheathing board is kept away from opening one end and is high-order interception portion, is used for improving the interception height of anticollision barrier, is provided with wave form striking portion in the high-order interception portion, is used for reinforcing the structural strength and the buffering energy-absorbing of high-order interception portion striking face.

The height of the high-position intercepting part is determined according to different reinforced concrete crash barriers, the wave crest quantity of the waveform impacting part is determined according to the height of the high-position intercepting part, and generally, the lower the reinforced concrete crash barrier is, the higher the height of the high-position intercepting part is, and the more the wave crest quantity of the waveform impacting part is. But the integral height of the steel sleeve plate and the reinforced concrete crash barrier does not exceed 1.5m. Wave form striking portion can not only have the cushioning effect when the striking, avoids powerful impact direct action to the steel bushing plate whole, can also protect the face of striking face, is difficult to be hit sunkenly.

When the steel bushing plate is installed, the steel bushing plate is only required to be clamped on the reinforced concrete anti-collision guardrail until the vertical rib plate is abutted to the top of the reinforced concrete anti-collision guardrail, the steel bushing plate can be in place, the vertical rib plate is matched with the transverse rib plate when the reinforced concrete anti-collision guardrail is convenient to install, the structural strength of the high-position intercepting part can be enhanced, the structural strength of the steel bushing plate is further enhanced, and the range of bearing impact force can be improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a bridge crash barrier provided by the present invention;

FIG. 2 is a side cross-sectional view of a bridge crash barrier according to the present invention;

FIG. 3 is a cross-sectional view of a bridge crash barrier according to the present invention in a use condition;

icon: 1. reinforced concrete anticollision barrier 2, opening, 3, high-order interception portion, 4, wave form striking portion, 5, split bolt, 6, vertical gusset, 7, horizontal gusset.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 3, this embodiment provides a bridge anticollision barrier, use with 1 cooperation of reinforced concrete anticollision barrier, can the old guardrail of make full use of, the guardrail reinforcement transformation cost has been reduced, and do not change guardrail outward appearance form and meet the face size of colliding with, including the steel sheathing board, the inside cavity that is formed with of steel sheathing board, cavity one end is equipped with opening 2, 1 embedding of reinforced concrete anticollision barrier sets up in opening 2, the steel sheathing board is kept away from 2 one end of opening and is high-order interception portion 3, an interception height for improving anticollision barrier, be provided with wave form striking portion 4 on the high-order interception portion 3, a structural strength and the buffering energy-absorbing for 3 striking faces of high-order interception portion are strengthened.

As shown in fig. 2 and 3, the opening 2, the high intercepting part 3 and the wave-shaped striking part 4 are integrally formed, and the section thereof perpendicular to the setting direction is in a shape of 20866.

In specific implementation, before improving operation, traffic control construction is required to be carried out, and an emergency lane and a main lane are closed; dismantling the original bridge anti-throwing net, and arranging a steel sheathing plate processing manufacturer to measure the size and the number of the structural steel sheathing plate members of the anti-collision guardrail, and mainly determining the size and the number of the deformed steel sheathing plates; and performing water-mill drilling construction on the original bridge reinforced concrete crash barrier 1;

and then, tightly attaching the openings 2 of the steel sleeve plates to two sides of the reinforced concrete anti-collision guardrail 1, fixing the openings 2 and the reinforced concrete anti-collision guardrail 1 through a plurality of split bolts 5, and sequentially welding the steel sleeve plates. Then, grinding and polishing the welding line, and performing paint spraying construction; and finally, the anti-throwing net is restored to be installed and constructed, and a site is cleaned.

The wave-shaped impact part 4 is positioned on one side of the high-position intercepting part 3 close to the bridge deck, and the wave direction of the wave-shaped impact part 4 is vertical. The number of peaks of the wave-shaped impact part 4 is 1-3. As shown in fig. 2 and 3, in specific implementation, the height of the high-level intercepting part 3 is determined according to different reinforced concrete crash barriers 1, and the number of peaks of the waveform impacting part 4 is determined according to the height of the high-level intercepting part 3, and generally, the lower the reinforced concrete crash barrier 1 is, the higher the height of the high-level intercepting part 3 is, the greater the number of peaks of the waveform impacting part 4 is. But the integral height of the steel sleeve plate and the reinforced concrete crash barrier 1 is not more than 1.5m. Wave form striking portion 4 can not only have the cushioning effect when the striking, avoids powerful impact direct action to the steel bushing plate whole, can also protect the face of striking face, is difficult to be hit sunkenly.

Leave the cavity between 3 inner chambers of high-order interception portion and reinforced concrete crash barrier 1, the interval is equipped with a plurality of perpendicular gussets 6 in the cavity, erects 6 upper ends of gusset and controls both ends and be connected with the upper end of cavity and control both ends respectively, erects the lower extreme of

gusset

6 and 1 top butt of reinforced concrete crash barrier. As shown in fig. 1-3, in the concrete implementation, when installing the steel sheathing board, the steel sheathing board is only required to be clamped on the reinforced concrete crash barrier 1 until the vertical rib plate 6 abuts against the top of the reinforced concrete crash barrier 1, so that the steel sheathing board can be in place, and when the installation is convenient, the vertical rib plate 6 is matched with the horizontal rib plate 7, so that the structural strength of the high-position intercepting part 3 can be enhanced, the structural strength of the steel sheathing board is further enhanced, and the range of the bearing impact force can be improved.

The distance range of the adjacent vertical rib plates 6 is 0.4m-1m, and the distance of the vertical rib plates 6 is determined according to economic and practical conditions. The steel plate reinforcing structure further comprises transverse rib plates 7, wherein the transverse rib plates 7 are horizontally arranged between two adjacent vertical rib plates 6 and are matched with the vertical rib plates to enhance the integral structural strength.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a bridge anticollision barrier, uses with reinforced concrete anticollision barrier (1) cooperation, its characterized in that: including the steel sheathing board, the inside cavity that is formed with of steel sheathing board, cavity one end is equipped with opening (2), reinforced concrete crash barrier (1) embedding sets up in opening (2), the steel sheathing board is kept away from opening (2) one end is high-order interception portion (3) for improve the interception height of crash barrier, be provided with wave form striking portion (4) on high-order interception portion (3), be used for the reinforcing the structural strength and the buffering energy-absorbing of high-order interception portion (3) striking face.

2. The bridge anti-collision guardrail according to claim 1, wherein the opening (2), the high-position intercepting part (3) and the wave-shaped impact part (4) are integrally formed, and the section of the opening, which is perpendicular to the setting direction, is in a shape of 20866.

3. The bridge crash barrier as recited in claim 2, wherein the opening (2) is closely attached to both sides of the reinforced concrete crash barrier (1), and the opening (2) and the reinforced concrete crash barrier (1) are fixed by a plurality of tie bolts (5).

4. A crash barrier according to claim 3, wherein said wave-shaped impact portion (4) is located on the side of said high interception portion (3) close to the deck, and the wave-shaped impact portion (4) has a vertical wave direction.

5. A bridge crash barrier according to claim 4, characterised in that the number of wave crests of the wave-shaped impact part (4) is 1-3.

6. The bridge anti-collision guardrail according to claim 1, characterized in that a cavity is reserved between the inner cavity of the high-position intercepting part (3) and the reinforced concrete anti-collision guardrail (1), a plurality of vertical rib plates (6) are arranged in the cavity at intervals, the upper end and the left end and the right end of each vertical rib plate (6) are respectively connected with the upper end and the left end and the right end of the cavity, and the lower ends of the vertical rib plates (6) are abutted to the top of the reinforced concrete anti-collision guardrail (1).

7. The bridge anti-collision guardrail according to claim 6, characterized in that the distance between adjacent vertical rib plates (6) ranges from 0.4m to 1m.

8. The bridge anti-collision guardrail according to claim 7, characterized by further comprising transverse rib plates (7), wherein the transverse rib plates (7) are horizontally arranged between two adjacent vertical rib plates (6).