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充填体强度设计知识库模型 - 湖南科技大学(自然(6)

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Knowledgebankmodelofdesignofbackfillstrength

LIUZhi-xiang,ZHOUShi-lin

(CollegeofResourcesandSafetyEngineering,CentralSouthUniversity,Changsha410083,China)

Abstract:Theengineeringpracticesindomesticandoverseafillingmineswerecomprehensiveanalyzed,and,thegradingcharacteristicsoffillingmaterialwereresearchedwithfractaldimension.Adoptingneuralnetworkwhichinputdataweredepositdepth,orebodylength,orebodythickness,exposureheightofbackfill,exposure,andoutputwasdesignstrengthofbackfill,aareasoffillingbodyandfractaldimensionoffillingmaterialsknowledgebankmodeloffillingstrengthdesignwasestablished.Inordertoavoidneuralnetworkeasilyfallintothelocalminimumandslowconvergenceandotherdefects,theneuralnetworkmodelwasoptimizedbygeneticalgorithm,whichimprovedthelearningefficiency.Throughinspectingthecalculationresults,theknowledgebankmodelhadhighprecision.Researchesshowthat,withtheincreaseofminingdepth,thefillingdesignstrengthmustbeincreased;andthemore …… 此处隐藏:229字,全部文档内容请下载后查看。喜欢就下载吧 ……

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