JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE) ›› 2017, Vol. 47 ›› Issue (2): 20-25.doi: 10.6040/j.issn.1672-3961.0.2017.097

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Rockburst evaluation model and application of CW-TOPSIS

HU Quanguang, CHEN Fangming, NING Guangzhong   

  1. No. 3 Engineering Co., Ltd., China Gezhouba Group, Xi'an 710000, Shaanxi, China
  • Received:2017-02-14 Online:2017-04-20 Published:2017-02-14

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Abstract: To solve the problem that the index weight is difficult to be determined in rockburst disaster assessment model, a combination weighting method of “AHP+entropy weight method” was proposed. The optimization comprehensive weight was established by introducing the Lagrange and Euclidean distance function, ensuring the consistency between the subjective, objective weight and the preference coefficient. Based on the basic theory of TOPSIS, a comprehensive evaluation model of CW-TOPSIS was established and applied to predict rockburst grade. The results of a case study showed that CW-TOPSIS rockburst evaluation model were consistent with the insitu actual conditions which further verified the validity and practicability of the model. The proposed method provided a feasible way for the rockburst prediction from the angle of system evaluation model and gulti-factors indexes.

Key words: CW-TOPSIS evaluation model, Lagrange function, rockburst, combination weighting

CLC Number: 

  • TU45
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