目录一、制定目的.....................................................................................1二、适用范围.....................................................................................1三、一般规定.....................................................................................1四、依据文件.....................................................................................1五、基础调查.....................................................................................1（一）桥梁资料............................................................................2（二）航道资料............................................................................3（三）船舶资料............................................................................4六、通航安全风险评估要求.............................................................5（一）航道条件分析....................................................................5（二）通航环境分析....................................................................7七、抗撞性能验算流程和要求.........................................................8（一）确定抗撞性能标准...........................................................8（二）确定设防代表船型...........................................................9（三）验算抗撞性能.................................................................10八、评估结论...................................................................................11（一）风险综合分析 ..................................................................11（二）方案综合论证..................................................................11（三）建议..................................................................................12附件 1................................................................................................14附件 2................................................................................................151一、制定目的为指导桥梁运行管理单位掌握桥梁通航安全风险及抗撞...
