采動條件下底板應力場及變形破壞特征的研究.pdf

1、分類號：UDC：密級：公玨單位代碼：!Q12學位論文采動條件下底板應力場及變形破壞特征的研究張培森申請學位級別：亟堂魚指導教師姓名：韭塞基專業名稱：苤芷王猩職稱：麴援山東科技大學二零零五年五月山東科技大學壩1學位論文摘要AbstractThepaperresearchedthestressfieldsandthedeformationandbreakagecharactersofrock11]assincoalseanlfloorund

2、ertheconditionofmining，whichisinOrdertoestablishdefinitetheorybasetodiscussinrushingwatermechanismincoalseniTIfloorThepaperadoptedassociativeresearchmethodbetweentheoryanalysisandnumericalsimulationanalysisAtfirst，basedo

3、nelasticandplastictheory，thestressfieldsandmostdestroyingdeptharedivided，whichareincoalseamfloorundertheconditionofmining；insuccession，whicharesimulatedbyFLAC3D，andsomeruleknowledgearearrivedbyanalyzingstressstatesaodter

4、rancmovingrulesincoalseamfloorSecond，thepaperanalyzeddestroyingmodelsandfactorsaffectingstrengthofjoinlrockmassincoalsenitiflooradoptedubiquitousjointmodeltosimulateandanalyzerocksampleincludingtwointerfaceswhichstandsso

5、mekindsofanglesbetweenthem，andarrivedsomeconclusionsAgainthepaperanalyzedtheeffectthatgroundwateraffectsrocknlass，thetheoryofsolidandfluidcouplingmodelandthesimulationcalculatingmethod，simulatedandanalyzedthedifferencebe

6、tweensolidandfluidcouplingmodeandsolidandfluidnoncouplingmode，andtheeffectthatthechangeofwaterpoweraffectsstressfieldofjointrockmassundertheconditionofsolidandfluidcouplingmode，andthenarrivedsomeknowledgeAtlast，combinedw

7、iththehydrologygeologicalandminingconditionsofLiuQiaoNo1coalmine，theengineeringisanalyzedSomeconclusionsaremadeclearthroughthepaperUsingthetheoryanalysisandnumericalsimulationmethodCanopenouttheS1reSSfields，deformationan

8、ddestroyingcharacters，anddestroyingrangeanddepthofrockmassincoalscarflfloorundertheconditionofmining，whichispropitioustoselectandoptimizedesignprojects，reducethetestingtimeandeconomizetheprojcotoutlays，andthenimprovethee