A prefabricated anti-collision guardrail

Abstract

The invention discloses a prefabricated assembly type anti-collision guardrail and belongs to the field of bridge structures. The prefabricated assembly type anti-collision guardrail is formed by assembling prefabricated components. A steel plate is embedded inside a vehicle collision part, the inner side and the outer side of the steel plate are respectively provided with a layer of buffer materials; the bridge side of the lower part of every prefabricated component is provided with a bolt slot; the prefabricated assembly type anti-collision guardrail is fixed onto a bridge deck slab through screws; a part of the screws extend out of the bottom surface of the bridge deck slab at a certain length, and the extended parts are provided with springs in a sleeve mode. The prefabricated assembly type anti-collision guardrail ensures consumption and absorption of collision energy from vehicles through multiple energy dissipation systems and prolongs the collision time through deformation and swinging to weaken the collision force, thereby reduce damage to the vehicles and the guiderail to the maximum degree and meanwhile protecting passengers. The prefabricated components are simple in manufacturing and installation, achieve multi-stage collision prevention, effectively protect the vehicles out of control as well as the anti-collision guardrail and meanwhile are convenient to maintain.

Description

technical field [0001] The invention relates to a prefabricated and assembled anti-collision barrier, which belongs to the technical field of bridge structures. Background technique [0002] Bridges are frequent sites of traffic accidents, so the anti-collision barriers of bridges are very important. The starting point of existing anti-collision guardrail design is basically how to improve the stability of the guardrail. Its purpose is to prevent out-of-control vehicles from going out of the bridge, without serious consideration for reducing the casualties of vehicles and personnel. Because the impact of the vehicle is very strong, the hardness of the vehicle and the anti-collision barrier is very large. After colliding with each other, both of them will suffer great damage, great loss and high maintenance cost. During the service period of the anti-collision barrier, it may be hit by vehicles of different levels. The anti-collision barrier should also have multiple anti-co...

AI Technical Summary

Problems solved by technology

Because the impact of the vehicle is very strong, the hardness of the vehicle and the anti-collision barrier is very large. After the collision with each other, both of them will suffer great damage, great losses, and high maintenance costs.

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