揭阳河道护栏批发 不锈钢护栏
Jieyang River guardrail wholesale stainless steel guardrail
桥梁护栏的防撞性能：所选取的护栏型式在强度上必须能有效的吸收设计碰撞能量。
The anti-collision performance of bridge guardrail: the selected guardrail type must be able to absorb the design collision energy effectively in strength.
阻止相应失控车辆越出桥外或进入对向车道并使其正确改变行驶方向。
Prevent the corresponding runaway vehicles from crossing the bridge or entering the opposite lane and make them change the direction of driving correctly.
该原则主要是从公路等级、桥梁护栏外侧的危险物特征等方面考虑。
The principle is mainly considered from the road grade, the dangerous material characteristics outside the bridge guardrail, etc.
898995850
