Tailings dam risk fuzzy evaluation model based on the cloud model
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Abstract:
Targeting at the fuzziness and uncertainty faced in the process of tailings dam risk evaluation, tailings dam risk was taken as a whole and appropriate evaluation factors were selected, in combination with the improved AHP and cloud model theory, a model suitable for tailings dam risk fuzzy evaluation was established. Numerical examples showed that, the corresponding cloud model generated based on the standard of each evaluation factor assignment could fully characterize the fuzziness, randomness and discreteness in the process of evaluation. After calculating the weight of each evaluation factor using the improved AHP, comprehensive evaluation was conducted according to the principle of maximum membership degree. The result was consistent with the actual situation，which further evidenced the correctness and validity of the evaluation model, and provides a new way for tailings dam risk evaluation.
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