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1、遼寧工程技術(shù)大學(xué)碩士學(xué)位論文急傾斜煤層開采地表移動時間過程研究姓名：馬利軍申請學(xué)位級別：碩士專業(yè)：巖土工程指導(dǎo)教師：劉書賢20041115遼寧工程技術(shù)大學(xué)碩士學(xué)位論文AbstractAbstractGroundsubsidencecausedbyundergroundcoalminingisaspacetimeprocess.Coalseampitchisoneofthemostimptantfactwhichdeterminemove

2、mentfailurefmsofoverlyingrockthelevelofgroundmovementdefmation.Inthepreviousresearchbecauseminingsubsidencesinoculationdevelopingprocessissocomplexthatcanttouchpeoplegivemeattentiononfinalresultofrockdamagetheoverlyingro

3、ckofsteepcoalseammininghavedifferenthomogeneousnessinhizontalientation.Itscomplexitymaketheresearchofthiskindofproblemstimeprocessisveryinadequate.Allofthosearedisadvantagesofminingsubsidencesfecastprevention.Bothtraditi

4、onalcontinuousmediummechanicsdiscontinuousmediummechanicshaveextremepertinencyoneofitsshtcomingsisthatwhenwesimplifytherockmodelwelooktherockonthewkingfaceasastaticbeamigneimpellingchangeofthewkingfacepropertyloadchangea

5、stheoverlyingrockisdestabilizingsothecrosssectionequationweproducedonlyisafinalapproximatesubsidenceexpressionnotadynamicsubsidenceprocessoftherock.Fromtheseviewsthroughphenomenonexperimenttheythoughtmodebebasedonideallo

6、osebodyrommediumtheythisthesismakestudyonruleofsteepcoalseamminingstepbystep.Thisthesisputfwardanewprobabilitydensityfunctionofoverlyingrockgroundsubsidencewhichhavegeneralstatisticmeaning.Bebasedonwhichthethesisestablis

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