Research on Risk Early Warning Mechanism of Urban Metro Construction

摘要

The subway construction in China has developed rapidly in recent years,but due to the influence of subway construction technology and construction environment,risk incidents occur frequently in the process of subway construction.Referring to the experiences and practices of Beijing Metro construction,combined with the relevant knowledge of risk early warning,the function process of risk early warning is clarified,that is,the classification and identification of risk early warning grade,early warning issuance,early warning response,and early warning mitigation.The application effect of early warning mechanism in risk management of metro station construction is studied,which provides reference for risk early warning management of metro construction.