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Gold Science and Technology ›› 2017, Vol. 25 ›› Issue (2): 104-109.doi: 10.11872/j.issn.1005-2518.2017.02.104

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Construction and Realization of Optimal Mathematical Model of Mine Fire Escape Route

BI Lin,CUI Jun,LIN Ge,XIE Wei   

  1. School of Resources and Safety Engineering,Central South University,Changsha    410083,Hunan,China
  • Received:2016-03-15 Revised:2016-05-18 Online:2017-04-28 Published:2017-05-12

Abstract:

Determination of the optimal emergency escape route is the first step of safety and effective escape.According to the need of the actual emergency escape situation,defining the three hedge principle of mine fire,analyzing the safety factor of the passage and proposing the calculation method of the influence factor of travel speed,and then the optimization mathematical model of the escape route was constructed.According to the formula of equivalent length of roadway,convert the roadway network to the equivalent network diagram,on the basis of this network graph,the shortest path from personnel location point  was solved by the Dijkstra algorithm thus ensure the safety and quick escape route.Finally,the model was applied to a metal mine in Yunnan Province,it provided reference and technical support for mine fire escape system.

Key words: mine fire, safety factor, impact factor, equivalent length of tunnel, roadway equivalent network

CLC Number: 

  • TD752

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