国际会议汇报ppt(英文).pptx
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国际会议汇报ppt(英文).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,
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