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Abstract: With the growth of the national economy , more and more domestic large-scale projects . These projects are often complex contents , a huge investment , social impact , once the consequences of the accident will be unbearable . This article first introduces the history of the development of the risk management and research status , and subsequently studied the theory and methods of risk management . Followed in accordance with risk identification , risk estimation , risk assessment, risk management order , Huma Ling tunnel practical risk management , and explains how to carry out risk management . In this paper, risk identification that Huma Ling tunnel 9 risk factors , established a system of risk based on this diagram . Subsequent risk factors using the analytic hierarchy process weight the same time , from the loss of the desired angle of the risk factors Sort and draw a Pareto chart to determine the main risk secondary risk and general risk . Finally, risk control approach to these risks . In addition, the for Huma Ling tunnel project , using VB language programming , dynamic risk database , a combination of risk management and computer applications .
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