有限元數(shù)值模擬對金廠峪地下采場穩(wěn)定性的分析.pdf

1、河北理工學院碩士學位論文有限元數(shù)值模擬對金廠峪地下采場穩(wěn)定性的分析姓名：曹明申請學位級別：碩士專業(yè)：采礦工程指導(dǎo)教師：呂廣忠王志國20021216河北理工學院碩士學位論文AbstractThereSoBfGeofgoldmineisabundancewhichwidelydistributesinourcountryButwiththeincreasinglyminingandconsumingofgeologicresourcethe

2、scaleanddepthoforedepositorsingleindustrialorebodyiSnotonlysmallerandsmallerbutalSOcomplicatedan：tchangefulSeventypercentofgoldmineisgotbyundergroundrainingPresentlythequantityofmethodsofmininginmainminesisabout20oneofwh

3、ichisroompiltaxmining／inchangyuGoldMine，oneoftargescalegoldmine，fromwhichisputintoproduaionin1958，throughmanyyearsminingnotordytheminingdepthisdeeperanddoverbutalsotheconditionsofexistingofdeeporehodyischangedgreatlyAtth

4、esametimevAththeconditionsofdeepgeologybecomingcomplicated，theaggravationofthestabilityofadjoiningrockincreaseofgrounds仃essandtlleintensity&groundpressurethequestionsofrockmechamcsofmineappearsmorc越dmoreimportant，Thesele

5、ctionofmimngmethodiSbasedonthestabilityoforebodyandadjoiningrockSOthedataaboutrockmechanicsshouldbereflectedi理磚屺selectionofminingmethodWiththe：increaseofminingdepththenliningmethodofroompillarinwhichroomandpillarisusedto

6、getherisimroduccdinJinchangyttSomeoffamousmineinwhichroompillarisusedsuchasJidekelikeMineinCanadaMangteaisaMineinAu鞋faliaFankoumineofleadandzincInChinaetcaleallthetypestt圮poimofthismethodkthedivisionofmineblockintoomsand

7、pillarsandbeforethefinishofrecoveryofroomthesepillarsmustbestablewithoutfailureForthepurposeof$LIccessfulapplicationofthiskindofminingmethodinIinchangsu，thesequenceDfstopingwillbesystematicallystudiedinthisthesisbythecom

8、mercialsoftwareANS：YSusing3Delasticandplasticfiniteelement，TherecoveryofroombcarriedOUtinthreeprojectsinwhich伍estop／rigoforehodyarerealizedfiombotllsidestomiddlefromonesidetoanotherandfrommiddletobothsides，Thedifferenceo

9、fsequenceofrecoverywhichdifferentlyloadsadjoiningrockandpiIlarsleadstothestressandscopeandextentofdamageofpillardifferentlyTherefore，theextentofstabilityofadjoiningrockisaffectedbythesequenceofsloping，whichisdynamicmecha

10、nicalqualityofengineerslopingAsaresultitisnecessarytostudydynamicmechanicalqualityofstopingtogetoptimumstopingtechinics，whichmakesthedamagese司eafpillarsmallest‘ⅦdinsuresthestabilityofstopeSimultaneouslythe丘aeturebeltimpa