Bridge pier anti-collision device on width-limited central separating strip

Abstract

The invention discloses a bridge pier anti-collision device on a width-limited central separating strip. The bridge pier anti-collision device comprises a steel guardrail and concrete guardrails of the medial strip, the concrete guardrails are located at the two ends of a bridge pier, each concrete guardrail comprises a head-on collision face section, a transition section and a rectangular section, the width of the transition section is gradually increased in the direction from the concrete guardrails to the bridge pier, the small end of the transition section is connected with the head-on collision face section, the large end of the transition section is connected with one end of the rectangular section, and the other end of the rectangular section is detachably connected with the pier steel guardrail. The transition section facilitates vehicle resetting, and the probability that the vehicle collides with the part, higher than the guardrail, of the medial strip pier is reduced; the bridge pier steel guardrail adopts a steel structure with a reinforced back, so that the bridge pier can be protected, and meanwhile, vehicles are prevented from being damaged. And the concrete guardrail is detachably connected with the bridge pier steel guardrail, so that the bridge pier steel guardrail can be conveniently dismounted and replaced after being damaged, the repairing time and cost are saved, the safety risk of recovering central separation strip collision of a locally closed road is reduced, and smooth driving is ensured.

Description

technical field [0001] The invention relates to a bridge pier anti-collision device on a central divider, in particular to a bridge pier anti-collision device on a width-limited central divider. Background technique [0002] At the three-dimensional intersection position of the road, due to factors such as span, clearance and aesthetics, it is often necessary to lay bridge piers in the central divider of the lower road. As a kind of obstacle, the bridge pier at the central divider will not only affect the driving vision and aesthetics, but also has the risk of being hit. Therefore, it is generally necessary to take anti-collision measures, especially in the case of the width-limited central divider. Common central divider pier anti-collision facilities mainly include the following types: [0003] The first type: using corrugated beam guardrail. However, the wave beam guardrail is a flexible guardrail, which is easy to be deformed and damaged in a large range when a vehicle...

AI Technical Summary

Problems solved by technology

However, the wave-beam guardrail installed on the collision surface of the concrete guardrail in the range of the bridge pier may become the main force-bearing member of the vehicle impact, and may also be deformed by the impact to cause secondary accidents, which is not conducive to the structural safety and driving safety of the bridge pier, and the damaged concrete The guardrail and the corrugated guardrail need to be replaced together, which is troublesome to replace

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