充填体强度设计知识库模型 - 湖南科技大学(自然(6)
时间:2025-07-09
时间:2025-07-09
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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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