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随着我国跨江河湖海大桥的增多和船运业的快速发展,桥梁船撞风险越来越大。本文讨论了桥梁船撞风险的组成、分类和风险计算方法,分析了包括人员伤亡风险、结构倒塌风险以及成本效益分析的桥梁船撞风险准则,对各种防船撞措施进行了比较分析,提出了基于风险的桥梁防船撞措施成本效益分析方法与公式,并通过案例说明。
With the increase of cross-river, lake-sea bridges in our country and the rapid development of shipping industry, the risk of bridge ship collision is getting bigger and bigger. This paper discusses the composition, classification and risk calculation methods of bridge ship collision risk, analyzes the risk criteria of bridge ship collision including risk of personnel casualty, risk of structural collapse and cost-benefit analysis, and compares and analyzes the various measures of preventing ship collision. The cost-benefit analysis method and formula of risk-based bridge anti-collision measures are given, and case examples are given.