国际会议汇报ppt(英文).pptPPT推荐.pptx

国际会议汇报ppt(英文).pptPPT推荐.pptx

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Safetymanagementintunnelconstruction:

@#@CasestudyofWuhanmetroconstructioninChina,Author：

@#@MiroslawJ.SkibniewskiLieyunDing,etalReporter:

@#@WuTong-gangCentralSouthUniversity,Newwords,Shaft:

@#@通风井Grouting:

@#@灌浆，给灌浆High-pressurejetgroutingpiles（HJGP）:

@#@高压喷射灌浆柱Siltyclay:

@#@粉质黏土Tunnelboringmachine（TBM）:

@#@隧道掘进机Gush:

@#@涌出Double-spool:

@#@双轴,Outline,PART1Introduction,PART2Method,PART3Results,PART4Conclusion,Introduction,1,1.1Background,Shieldtunnelingtechnology,1.2Objective,1.3Projectprofile,WuhanYangtzeMetroTunnel（WYMT）,Characteristics:

@#@Double-spooltunnelconnectingtwolargecitiesTwosetsofventilationshaftsAcurveradiusof350mandanextremelyclosedistanceawayfromYangtzeRiver4.Finesandstoneandsiltyclay,Method,2,Waterproofing,Groundfreezing,Loweringofwaterlevelmethod,Reinforcing,1.Thecementpastetendstobewashedawaybytheflowingwater,resultinginpoorreinforcement.,Ahigh-pressurejetgrouting,2.1Safetysystemdesign,2.NosignificantwaterproofingresultswouldbeachievedduetothecloseproximitytotheYangtzeRiver.,2.1Safetysystemdesign,Groundheterog-eneity,Constru-ctionmethods,Soilstructureinteract-ion,Non-linearbehaviorofsoils,2.2Safetyanalysis,Systemicsafety,Economicrequirements,Numericalsimulation,ANSYS,2.3Safetycontrolprocess,2.3.1Reinforcementcontrol,2.3Safetycontrolprocess,2.3.2Freezingcontrol,Layoutoffreezingholes,Workersareexaminingthefreezingeffect.,2.3Safetycontrolprocess,2.3.3UCWremovingcontrol,WorkersarecuttingdownthesteelwithinUCW.,Workersarepastingquiltsontotheworkfaceofthetunnelportal.,Results,3,3Results,3Results,a,b,c,a:

@#@Distributionofcompressivestressb:

@#@Distributionoftensilestressc:

@#@Distributionofshearstress,Conclusion,4,Conclusion,CombinefreezingmethodandHJGP,Includethepreliminarydeviationaheadofthedrillingprocess,ApplynumericalsimulationbyANSYS,Question-inviting,5,LOGOHERE,THANKYOU!

@#@,PRESENTEDBYWuTong-gang,