Ternary Space Safety Resilience Evaluation of Subway Engineering Construction
Research purposes:In order to improve the safety management level of subway projects,the resilience theory is introduced into the field of safety management.Based on the ternary space safety theory,the two-dimensional cloud model is introduced into safety resilience evaluation of the subway engineering construction.Firstly,the safety resilience analysis framework of subway engineering construction is constructed from the physical space,social space and information space of ternary space.The safety resilience evaluation index system of the subway engineering construction is established by referring to the relevant literature.Then,the two-dimensional cloud model of subway engineering construction safety resilience evaluation is established with defense and recovery as the dimension of two-dimensional cloud model.The digital characteristics of resilience evaluation cloud are calculated by cloud generator of MATLAB software,and the two-dimensional evaluation cloud diagram is generated by MATLAB software.The evaluation cloud was compared with the standard cloud diagram to express the resilience level of the engineering system,and the closeness was calculated to ensure the accuracy of the evaluation results.The model is adopted to evaluate the safety of subway engineering.Research conclusions:(1)The introduction of resilience theory into safety management provides a novel concept for the practice of subway engineering safety management.(2)A safety resilience index system is established,encompassing 24 evaluation indicators grouped into seven standard layers,which include personnel factors,material factors,equipment factors,technical factors,management factors,environmental factors,and information factors.(3)The evaluation result indicates a"moderate toughness"level(gradeⅢ).In the course of the project,we should not only pay attention to the security risk defense,but also pay attention to strengthen the rapid recovery ability.(4)The two-dimensional cloud model,which comprehensively considers the defense and recovery characteristics of resilience,offers a more intuitive and visualized approach for the safety resilience assessment of subway engineering.The research results can provide a new idea for the safety resilience assessment of subway projects.
subway engineeringsafety resilienceternary spacetwo-dimensional cloud model
万方数据
维普
