| 摘要 |
PURPOSE: A three-dimensional composite guardrail with reinforcement ribs is provided to reduce construction and maintenance costs by extending the unit installation length of parts. CONSTITUTION: A three-dimensional composite guardrail having reinforcement ribs comprises posts(3) and a composite panel(10). The posts are installed on footing concrete(5) placed on one side of a bridge or road. The composite panel is coupled to the posts through fixing bolts(4). The composite panel is composed of front and rear surfaces(11,12) and reinforcement ribs(13). The front surface is a corrugated steel plate, and a vehicle collides with the front surface. The rear surface is a flat plate. The reinforcement ribs connect the front and rear surfaces.
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