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Gold Science and Technology ›› 2014, Vol. 22 ›› Issue (4): 61-66.doi: 10.11872/j.issn.1005-2518.2014.04.061

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Evaluation Method of Slope Stability Based on Dynamic Weight

CHEN Jianhong，LI Tao，JIANG Shiyu   

  1. School of Resources and Safety Engineering，Central South University，Changsha   410083，Hunan，China
  • Received:2014-06-04 Revised:2014-07-02 Online:2014-08-28 Published:2014-12-24

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Abstract:

In order to guarantee the slope stability of open-pit and improve the production safety and reduce the direct loss，considering the gradation and the fuzzy characteristics of slope stability，a fuzzy mathematical method was used and a model for fuzzy comprehensive evaluation of analysis of slope stability was established.Choosing 5 factors and 18 genes based on interview and summary of references.The dynamic weight was established by integrating error propagation，analysis of similarity and difference with the analytical method of relative superiority of the interval number matrix.The results show that the conclusion obtained by the model can reflect the practical situation of the slope stability.The evaluation and analysis results match with the practice.The model can be used as a practical approach for analysis of slope stability.

Key words: milti-level fuzzy evaluation, fuzzy comprehensive evaluation model, weight vector, slope, stability judgment, dynamic weight

CLC Number: 

  • TD85

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