Study on the Risk Evaluation Method for the Open Channel Operation in the Middle Route of South-to-North Water Diversion Project
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Abstract:
According to the analysis of the main factors affecting the operation risk of open channel in the Middle Route of South-to-North Water Diversion Project, a risk evaluation index system was developed for the open channel. A multiple attribute assessment model with intuitionistic fuzzy set theory was introduced to analyze each evaluation index quantitatively by providing the membership degree, non-membership degree, and hesitancy degree. The scoring function and the “Technique for Order Preference by Similarity to Ideal Solution”method were used to evaluate the results and to obtain the risk level. In this paper, the risk evaluation index system was applied to the Chaohe Section of the main channel in the Middle Route of South-to-North Water Diversion Project, which suggested that the evaluation system is effective and practicable; therefore it can provide references for the risk management of engineering operation.
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