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Corrugated sandwich road protection structure

A protective structure and sandwich-shaped technology is applied in the field of wave-shaped sandwich highway protective structures, which can solve the problems of inability to effectively prevent vehicles from running out of the road, insufficient crashworthiness performance of guardrails, and single energy absorption form, so as to ensure the effectiveness of mechanical resistance. , The effect of curbing the overall collapse and high adaptability to the collision angle

Active Publication Date: 2017-07-14
HUAQIAO UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the deficiencies of the prior art and provide a highway guardrail with a novel arc sandwich panel structure with high-efficiency energy-absorbing devices, aiming to solve the problem of insufficient crashworthiness and energy-absorbing performance of general highway and expressway guardrails. The form is single, the cushioning effect is poor, and it cannot effectively prevent the vehicle from rushing out of the road, etc.

Method used

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  • Corrugated sandwich road protection structure
  • Corrugated sandwich road protection structure
  • Corrugated sandwich road protection structure

Examples

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Embodiment

[0040] A part of the spiral column 1 is buried in the foundation, the height of the spiral column 1 is 950mm, the height of the upper part of the spiral column 1 is 620mm, the spiral is twisted 90 degrees, the wall thickness is 10mm, the wall thickness of the top cover 6 is 10mm, the thickness of the base 8 is 20mm, and the diameter 350mm, the support ribs 7 thickness 5mm around. The present invention is a unit of several repeating units of the highway guardrail. During implementation, each unit has two spiral columns 1 with a distance of 1058mm.

[0041] The main corrugated cone assembly 2 includes the main corrugated cone 9 and the main connector 10, wherein the main corrugated cone 9 has a vertical height of 200mm, a wall thickness of 1.5mm, a total of 20 cycles of sine waves with an amplitude of 1.5mm, and a bottom The end diameter is 110mm and the taper is 7 degrees. The main connector 10 is a hollow right-angled triangular prism with a height of 120mm and a wall thickne...

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Abstract

The invention relates to a corrugated sandwich road protection structure. The corrugated sandwich road protection structure comprises spiral columns, a sandwich corrugated plate, main corrugated taper pipe assemblies, and subsidiary corrugated taper pipe assemblies; the sandwich corrugated plate comprises a corrugated shell, and fillers arranged in the corrugated shell; the upper portion of each spiral column rotates along the axis and forms warped surfaces; and each main corrugated taper pipe assembly and each subsidiary corrugated taper pipe assembly are connected with the sandwich corrugated plate and the upper portion of corresponding spiral column, the main corrugated taper pipe assemblies are obliquely connected with the sandwich corrugated plate, and the subsidiary corrugated taper pipe assemblies are vertically connected with the sandwich corrugated plate. The corrugated sandwich road protection structure solves the problems that protective fences of a general road and an expressway are not strong enough in crashworthiness, single in energy-absorbing form, and poor in buffering effects, and cannot effectively prevent vehicles off the road. The corrugated sandwich road protection structure has the beneficial effects of having a characteristic of high energy absorption; being safe and reliable with high stability, strong in crashworthiness, and high in adaptability of impact angle; and being easy to mount, convenient to replace, and high in sustainable use.

Description

technical field [0001] The invention relates to the technical field of road protection, in particular to a corrugated sandwich road protection structure. Background technique [0002] In recent years, the issue of road protection has become increasingly important with the increase in the number of vehicles. The design of road protection has become an indispensable part of road construction, especially the protection of highways. Driving normally in the established safe route, and absorbing the collision energy in the traffic accident when the accident occurs, the hazards of the traffic accident can be minimized, and the driver's life and property safety can be effectively protected. [0003] Highway protection devices are particularly common in the design of highway guardrails. The additional guardrails on both sides of the road can effectively prevent vehicles from driving out of the road after a traffic accident and causing secondary injuries to passengers. [0004] Howev...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01F15/02E01F15/08
CPCE01F15/02E01F15/08E01F15/088Y02A30/60
Inventor 张勇王琎徐翔闫晓刚赖雄鸣
Owner HUAQIAO UNIVERSITY
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