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Gold Science and Technology ›› 2016, Vol. 24 ›› Issue (6): 90-95.doi: 10.11872/j.issn.1005-2518.2016.06.090

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Uncertainty Measurement Analysis of Slope Stability Based on Variable Weight Theory

ZHAO Bin1，2，LI Xiaobei 1，DAI Xingguo1，WANG Xinmin1，ZHANG Deming1#br#   

  1. 1.School of Resources and Safety Engineering，Central South University，Changsha    410083，Hunan，China；
    2.Minmetals Exploration and Development Co.，Ltd.，China Minmetals Corporation，Beijing    100010，China
  • Received:2015-07-30 Revised:2015-12-24 Online:2016-12-28 Published:2017-01-22

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Abstract:

When the evaluation index tend to the edge state，the model for slope stability analysis may result in“state out of balance” phenomenon.To solve the problem，the variable weight theory was introduced in slope stability analysis.The twelve most influential indices were selected from three respects including geological conditions，environment condition and engineering condition，to build the VW-UM analysis model for slope stability.In the model，constant weight must be calculated firstly.And then，variable weight which more coincidence with the real structure were calculated by variable weight theory based on the value of indices.The rank of slopes were taken by using uncertainty measurement theory at last.The model was used in analysis slopes of Xinqiao mine，Gushan mine and Huangmailing mine，the practice result reflected the superiority of the model in weight calculation.The evaluation result accord more perfectly with engineering facts when statistical value of indices tend to the edge stateual situation，provide a new method for reliability evaluation of emergency rescue system of underground mines.

Key words: slope stability, reliability analysis, variable weight theory, uncertainty measurement theory, slope stability, reliability analysis, variable weight theory, uncertainty measurement theory

CLC Number: 

  • TD313

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