›› 2014, Vol. 35 ›› Issue (S2): 325-331.

• Geotechnical Engineering • Previous Articles     Next Articles

Risk analysis and trend prediction of long inclined-shaft construction in coalmine by TBM

HOU Gong-yu, LIANG Rong, GONG Yan-fen, LIU Lin, TIAN Le   

  1. School of Mechanics and Civil Engineering，China University of Mining & Technology(Beijing)，Beijing 100083，China
  • Received:2014-04-21 Online:2014-10-31 Published:2014-11-12

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Abstract: Risk factors of long inclined-shaft construction in coalmine by TBM were identified; and two-layer indicator system was established for risk assessment. Standard of risk classification was determined. Risk analysis model for long inclined-shaft construction in coalmine by TBM techniques was established on the basis of set pair analysis. Weight vector was determined by entropy weight method. Calculation method of five-element partial connection number was established and method of trend prediction was put forward by improved set pair potential theory. Trend analysis and risk evaluation of inclined wells (experiment wells #1, #2) which were constructed by TBM in Taigemiao mine area were studied by this model. The model is effective and practical for the risk analysis of mine inclined-shaft construction by TBM. As a result it provides a new way for long inclined-shaft construction in coalmine by TBM techniques

Key words: mine inclined wells, tunnel boring machine(TBM) construction, risk assessment, set pair analysis

CLC Number: 

  • TD 822
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