STATE,ISSUES AND RELEVANT RECOMMENDATIONS FOR SECURITY RISK MANAGEMENT OF CHINA′S UNDERGROUND ENGINEERING

Abstract

Underground project is a high-risk and complex project with vast construction investment,long-term construction,numerous subprojects,complexity of construction technology,and unpredictability of risk factors and social characteristics of the environmental impact. The establishment of a risk management system,detailed risk assessment for construction of metro project,and risk control,are necessary and should be extended to the overall underground construction areas. This paper mainly describes the present status and issues existing in risk management for safety operation in underground projects,which include:(1) the lack of standardized security risk management system;(2) unreasonable safety risk management,and insufficient funding for security risk management;(3) inadequate or nonprofessional teams or uneven-developed professional level;(4) risk management-related technical specifications,standards are not consistent with the current development of underground works;and (5) the lack of appropriate security risk management information platform. Related to issues existing in risk management in China,four suggestions are proposed as follows:(1) to strengthen codification of risk management for safety in underground projects;(2) to promote risk management as anindispensable part of project management;(3) to set up an aid system for warning decision making based on informationization technique;and (4) to strengthen study on major accident prediction and prevention technique for risk management.

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