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1、FuzzyevaluationongeologicalconditionsofcoalseaminChinaZhangDongsheng,ZhangXianchen&YanXuefengChinaUniversityofMining&Technology,Xuzhou,Jiangsu,P.R.ChinaDszhang123@263.netAbstractThegeologicalconditionsofcoalseamareevaluatedquantitativelybyusingfuzzymethodandfrompointviewof
2、coalmining.Accordingtotheevaluationresults,decision-makingonminingtechniques,miningprogramminganddesign,productionmanagementcanbecarriedouteffectively.ThelatestdevelopmentsinChinaareintroduced.Theevaluationcontents,thestructureandindexsystemofevaluationfactors,themembershi
3、pfunctionsandweightsofevaluationfactor,evaluationmodelandreliabilityarestatedindetail.Theeffectiveapplicationoffuzzyevaluationinthepredictionofcoalfaceoutputisintroducedemphatically.Fuzzyevaluationongeologicalconditionsofcoalseamisthebasicworkthatensuresaminerunefficiently
4、,safelyandsteadily.Keywords:Fuzzyevaluation;geologicalconditions;evaluation1INTRDUCTIONToexploitthecoalresourcerationallymeansthattheminingtechnicallevelandtherelevanttechnicaldecisionsaresuitableforthecharacteristicanddifferenceofcoalgeologicalconditions.Iftheevaluationis
5、farbeloworabovetheactualgeologicalconditions,itisunfavorabletomakethemostofthecoalnaturalsuperiorityandeasytomakefalsetechnicaldecisions.So,itisveryimportanttoimproveminingeffectsandeconomicbenefitsthatthegeologicalconditionsareevaluatedappropriatelyandthecorrespondingmeas
6、uresaretaken.2CONTENTSOFFUZZYEVALUATIONBasedonthecoalminingexperienceandrulessummarizedbywidelyinvestigation,theevaluationongeologicalconditionsofcoalseamshouldbetakenbynotonlystudyingtheinfluenceofmainfactorstotheselectionofcoalminingtechnologyandminingeffects,butalsocons
7、tructingacomprehensivesupportedbyNationalNaturalScienceFoundationofChina（NSFC）(50374065)，NSFCforextinguishedscholars(50225414)evaluationmodelwithmulti-levelsandmulti-factorsbytheuseofminingtheory,fuzzymathematicsandAnalyticHierarchyProcess(calledAHPforshort),etc.Inaddition
8、,theevaluationreliabilityshouldbeconsideredintheapplicationofevaluationresults.So,thecomp
