Construction method of a vehicle anti-collision structure on expressway

Abstract

The invention discloses a construction method for a vehicle anti-collision structure on an expressway, which is characterized in that it comprises the following steps: step a, setting foundation piles equidistantly along the extension direction of the expressway, and driving the lower ends of the foundation piles into the road surface by a pile driver In the prefabricated hole; step b, the upper parts of all the foundation piles are connected by the upper horizontal guardrail belt, and the upper horizontal guardrail belt is formed by successively connecting the upper horizontal guardrails of several sections, and the middle parts of all the foundation piles are connected by the middle horizontal guardrail. The guardrail belts are connected, and the lower parts of all foundation piles are connected through the lower horizontal guardrail belts; step c, the upper, middle and lower horizontal guardrail belts are connected by a steel wire rope, and the steel wire ropes pass through the upper, middle and lower horizontal guardrail belts in turn Corresponding wire rope holes. In this construction method, the middle and lower horizontal guardrails are added on the basis of the upper horizontal guardrails. These three horizontal guardrails are connected by wire ropes, which are similar to tying multiple chopsticks together with ropes, organically connecting them into an indivisible overall.

Description

technical field [0001] The invention belongs to the field of expressways, and in particular relates to a construction method of an anti-collision structure for expressway vehicles. Background technique [0002] With the development of society and technology, expressways are becoming more and more popular. The speed of vehicles on the highway is relatively fast. Once an accident occurs, it is likely to rush out of the road and cause serious traffic accidents. In order to avoid the above situation, highway anti-collision barriers are generally installed on both sides of the expressway at present. The pile foundations of this anti-collision barrier are fixed on the ground, and the pile foundations on each side are arranged equidistantly along the extending direction of the highway. The upper part is connected by a horizontal guardrail belt, which is formed by successively connecting several sections of horizontal guardrails, and the joints are connected by bolts. However, due...

AI Technical Summary

Problems solved by technology

However, due to the fast speed of vehicles on the expressway, the kinetic energy of crashing into the guardrail after a traffic accident is very large. A high-speed vehicle can easily crash into a certain section of the horizontal guardrail and rush out of the road, causing serious safety accidents. Urgent need to solve the above technical problems

Images