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各地超载车辆造成了桥面铺装破坏,桥梁主体结构永久性损坏,使公路、桥梁的安全性显著降低,正常使用寿命缩短,养护与维修成本大幅增加。为辨识桥梁在运营期间超载对结构造成破坏的风险,评估由于超载因素给桥梁结构所带来的风险,制定风险应对措施及应急预案,为大桥运营管理提供安全技术保障,采用定量与定性分析结合的方法就某货运高速公路桥梁汽车超载风险进行了研究。
Overloaded vehicles across the country caused damage to the deck pavement and permanent damage to the main structure of the bridge, which significantly reduced the safety of roads and bridges, shortened the normal service life, and greatly increased the maintenance and repair costs. In order to identify the risk of the bridge being damaged by overloading during operation, evaluate the risk caused by overloading factors to the bridge structure, formulate risk response measures and contingency plans, provide security and technical support for the operation and management of the bridge and adopt quantitative and qualitative analysis Method to study the risk of vehicle overloading on a freight expressway bridge.