›› 2010, Vol. 31 ›› Issue (1): 99-101.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Application of connection entropy to stability evaluation of adjoining rock

CHANG Xiao-lin1，ZHANGN Mei-li1, 2，YANG Hai-yun1, 3，LI Zhen-zhao1   

  1. 1. School of Water Resources and Hydropower, Wuhan University, Wuhan 430072, China; 2. China Interna-Tional Water & Electric Corporation, Beijing 100120, China ; 3. Fujian Electric Power Test & Research Institute, Fuzhou 350007, China
  • Received:2008-03-11 Online:2010-01-10 Published:2010-02-02

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Abstract:

A great deal of factors evaluating the adjoining rock stability is uncertain. As the set pair system and connection entropy model can dispose the uncertain problem, a connection entropy model for stability evaluation of adjoining rock is presented. By calculating the connection entropy values at different safety gradation，the stability grade of adjoining rock could be obtained. The method could provide a new way to evaluate uncertain system like stability evaluation. The case study shows that the bigger the connection entropy value is, the worse the rock stability is, i.e. the more dangerous adjoining rock is.

Key words: connection entropy, stability evaluation, adjoining rock

CLC Number: 

  • TU 457
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