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为评估地铁安全运营水平,为地铁运营管理部门提供线路长期运营以来的安全风险变化趋势,基于地铁运营部门提供的有关某地铁的,主要涵盖车辆、通信系统、信号系统、供电系统、机电系统、线路和轨道系统、消防系统、环境与设备监控系统、自动售检票系统、土建等10类重要设备设施故障的统计结果,采用动态分级法(DT)对该地铁线路运营2 a来的设备设施风险进行分级,将地铁综合风险等级划分为7级,得到综合风险等级和风险逐月变化趋势。结果表明:综合风险分级结果与设备设施故障的变化趋势基本吻合,利用该方法可得到地铁运营的安全风险变化趋势。
In order to assess the safety operation level of the MTRC and provide the subway operation management department with the trend of safety risk changes since the long-term operation of the line, based on the information about a subway provided by the MTRC operation department, it mainly covers the vehicles, communication systems, signaling systems, power supply systems, electromechanical systems, The statistical results of the failure of 10 major equipment and facilities such as road and rail system, fire-fighting system, environment and equipment monitoring system, automatic fare collection system and civil engineering were adopted. The dynamic classification method (DT) Grading the comprehensive subway risk rating is divided into seven, get the integrated risk level and risk changes month by month. The results show that the change trend of comprehensive risk rating results is basically in line with the failure of equipment and facilities, and the trend of safety risk in subway operation can be obtained by this method.