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Single wave beam guardrail plate and single wave beam steel guardrail

A technology for guardrails and guardrails, which is applied to bridges, bridge parts, bridge construction, etc., and can solve problems such as low protection level and large amount of steel used

Inactive Publication Date: 2012-05-23
BEIJING ZHONGTONGLU TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the anti-collision barriers for protective cars need flexible settings, and the anti-collision barriers for large vehicles need rigid settings; while semi-rigid anti-collision barriers have a low protection level for large vehicles and use a large amount of steel

Method used

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  • Single wave beam guardrail plate and single wave beam steel guardrail
  • Single wave beam guardrail plate and single wave beam steel guardrail
  • Single wave beam guardrail plate and single wave beam steel guardrail

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] According to an embodiment of the present invention, a single-wave beam guardrail panel is provided. Such as figure 1 with figure 2 As shown, this embodiment includes a guardrail body 15 formed by integral rolling, and two energy gathering rings that are axially symmetrically distributed on the upper and lower edges of the guardrail body 15 and have the same structure. Among them, the cross section of the guardrail body 15 is arc-shaped; two energy gathering rings are spirally curled inward from the upper and lower edges of the guardrail body 15 toward the convex direction of the guardrail body 15 respectively.

[0039] Further, in the above two energy gathering rings, the cross section of each energy gathering ring is a pipe-in-pipe structure in which the first steel pipe 18 is sleeved on the inner wall of the second steel pipe 19, and the pipes of the first steel pipe 18 and the second steel pipe 19 The wall has a common section near the protrusion of the guardrail body...

Embodiment 2

[0047] The difference from the foregoing embodiment is that in this embodiment, in each tube-in-tube structure, the radius of the outer circle where the first steel tube is located is less than 55% of the radius of the outer circle where the second steel tube is located.

Embodiment 3

[0049] The difference from the foregoing embodiment is that in this embodiment, in each tube-in-tube structure, the outer radius of the first steel tube is less than 50% of the outer radius of the second steel tube.

[0050] Example of single wave beam steel guardrail

[0051] Example one

[0052] According to the embodiment of the present invention, a single-wave beam steel guardrail is provided based on the single-wave beam guardrail panel described above. Such as image 3 As shown, this embodiment includes multiple guardrail units arranged in a horizontal sequence, and the multiple guardrail units are assembled and connected; among the multiple guardrail units, the single-layer guardrail board subunit in each guardrail unit is connected to the adjacent guardrail unit The assembly connection between the corresponding guardrail board sub-units. Here, the number of guardrail units can be set according to the actual length of the road or bridge; in addition, the structure of the g...

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PUM

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Abstract

The invention discloses a single wave beam guardrail plate and a single wave beam steel guardrail; wherein the single wave beam guardrail plate comprises a guardrail plate body which is rolled integrally, upper and lower edges which are axially and symmetrically distributed on the guardrail plate body, and two energy collecting rings with the same structure; the cross section of the guardrail plate body is arc, the two energy collecting rings are spirally curled inwards along the protruding direction of the guardrail plate body from the upper and lower edges of the guardrail plate body. The single wave beam guardrail plate and the single wave beam steel guardrail have the advantages of high anti-collision level, strong buffer capacity and artistic appearance which are the disadvantages ofthe existing single wave beam steel guardrail.

Description

Technical field [0001] The invention relates to a vehicle collision avoidance facility suitable for highways and bridges, in particular to a single-wave beam guardrail board and a single-wave beam steel guardrail. Background technique [0002] With the rapid development of road construction and transportation in my country, traffic safety is facing a severe situation. As a safety facility, anti-collision barriers play an important role in protecting roads and bridges. [0003] Generally, crash barriers mainly include rigid barriers, semi-rigid barriers and flexible barriers. Among them, rigid guardrails are mainly concrete guardrails, mainly New Jersey guardrails and combined guardrails. This kind of concrete guardrail has too much rigidity, and has a small ability to buffer and absorb vehicle kinetic energy. When the center of gravity of the vehicle is high, it is easy to overturn the concrete after a collision. Guardrail: When the center of gravity of the vehicle is low, it is e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E01F15/04E01D19/10
Inventor 李建伟
Owner BEIJING ZHONGTONGLU TECH
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