采動條件下底板應(yīng)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(xué)位論文采動條件下底板應(yīng)力場及變形破壞特征的研究張培森申請學(xué)位級別：亟堂魚指導(dǎo)教師姓名：韭塞基專業(yè)名稱：苤芷王猩職稱：麴援山東科技大學(xué)二零零五年五月山東科技大學(xué)壩1學(xué)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