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以铁路上海站南北广场地下通道工程穿越三、四号线地铁线路为例,对其施工方案可能对轨道交通产生的线路停运、线路及道床平整度降低、轨道交通设施破坏、线路维护成本增加等影响风险进行了辨识分析,并运用五级定性分析法和模糊综合评判法对上述影响进行了风险分析与评估,最终得出施工方案对轨道交通影响的风险等级为5级,为完全不可接受风险。针对该风险评估结果,本文提出了相应的降低风险的施工措施,为本工程施工方案的制定提供了一定的意见和建议。
Taking the subway line of South and North Square railway of Shanghai Railway Station passing through No.3 and No.4 lines as an example, the construction plan may stop the lines of rail transit, reduce the line and ballast flatness, destroy the rail transit facilities and increase the line maintenance cost And other risk impact identification and analysis, and the use of five qualitative analysis and fuzzy comprehensive evaluation of the impact of the risk analysis and assessment of the final conclusion of the construction program on the impact of rail traffic risk rating of 5, is completely unacceptable risk. In view of the result of the risk assessment, this paper puts forward corresponding construction measures to reduce risk and provides some suggestions and suggestions for the construction of this project.