Research on Environmental Protection Route Selection of Railway in Mountainous Areas Based on Risk Decision
A case study is conducted on the decision-making problem of selecting routes for railway crossing multiple different types of environmentally sensitive points simultaneously in mountainous areas.The selection decision for the middle section of the Ruijin-Meizhou Railway to Pingyuan section is used to identify and compare environmental risk events in different schemes.By analyzing the likelihood of risk events occurring,the probability and consequence level of risk occurrence are reasonably determined;and then the sum of engineering investment and expected environmental risk losses for each scheme is calculated to compare the expected investment of engineering projects,thus providing quantitative decision-making references.It is concluded that the risk decision-making system for environmental protection route selection constructed in this paper is in line with the actual risk decision-making of railway environmental protection route selection schemes in mountainous areas.The results can provide reference for decision-making research in other similar projects.
risk decision-makingmountainous railwayenvironmental protection route selectionexpected value of risk lossexpected investment in engineering
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