Coal and gas outburst classification analysis based on G-K evaluation and rough set
Abstract：According to the possibility of coal and gas outburst accident in the coal mine production process,the frequency of human exposure to hazardous environment and the consequences of any accident,with G-K evaluation method used,the coal and gas outburst grading standards were determined for classification.Based on rough set theory,the index set was also employed as the basis to establish coal and gas outburst classification representation system,knowledge reduction in decision table,and rule extraction principle.Took the actual data of coal and gas outburst from a typical mine for example,through data processing of rough set decision rules,draws the conclusion that among the nine factors of affecting coal and gas outburst classification,the order of the three leading factors is the maximum depth of mining,the most prominent strength,and the maximum gas pressure.In the actual classification,all the nine factors should be taken into account in order to effectively control coal and gas outburst.
Keywords：G-K evaluationrough setcoal and gas outburstdecision tabledecision rule
Publication Date：2011-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)