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目前,双向行驶的车辆道路多采用金属隔离栏杆。它存在以下缺点:自重轻、与路面无牢固连接,无抗冲击能力,当发生事故时,车辆易将栏杆撞坏,危及另一侧车辆安全;栏杆整体强度差,被撞栏杆偏位散落到另一侧路面,造成安全隐患;维护、维修频繁,工料费用高;清洗时占道,操作人员在道路中央危险区域作业,存在安全隐患;易污染锈蚀,影响城市容貌;使用寿命短,更换投入费用高。
Currently, two-way traffic vehicles use metal railings. It has the following shortcomings: light weight, no solid connection with the road, no impact resistance, in case of an accident, the vehicle tends to crash the railings, endangering the other side of the vehicle safety; railings overall strength is poor, The other side of the road, causing security risks; frequent maintenance and repair, high labor costs; occupy the road when cleaning, operators operating in the central danger zone of the road, there are potential safety problems; easy to pollute the environment and affect the city appearance; short life, replacement input costly.