Abstract
According to the correlation characteristics of risk factors in highway tunnel engineering construction, based on the risk identification and analysis of accidents, the interactive correlations among these risk factors are analyzed by Delphi Method. This paper adopts the decision making trial and evaluation laboratory (DEMATEL) method to analyze the risk of tunnel engineering construction. Then, a comprehensive influencing coefficient of various risk factors is calculated by a comprehensive influencing matrix, the reason-result chart for these risk factors is made, and the key risk factor influencing the tunnel engineering construction is obtained. The result shows that DEMATEL method is effective for the risk analysis of tunnel engineering construction via the case study of Wulong Tunnel construction in China.
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