超大直徑土壓平衡盾構(gòu)施工過(guò)程的力學(xué)分析.pdf

1、上海大學(xué)碩士學(xué)位論文超大直徑土壓平衡盾構(gòu)施工過(guò)程的力學(xué)分析姓名：羅云峰申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：工程力學(xué)指導(dǎo)教師：馮偉20080801卜海大學(xué)碩上學(xué)位論文ABSTI認(rèn)CTShieldtunnelingiSanimportantmethodintheundergroundtunnelconstructionbeneathurbanareasbuttheprojectswillimpacteffectsonsoilaroundtheshiel

2、dmoreorleSSSincethesuperlargediameterearthpressurebalanceshieldbeusedforthefirsttimeinourcountrythereiSnotmatureexperienceaboutitSOithasgreatappliedsignificancetostudytheGroundMovementandsurfacedeformationinsuper1argedia

3、meterearthpressurebalanceshieldtunnelingBasingonthefirstprojectwithsuperlargediameterearthpressurebalancedtunnel(ThenorthdistricttunnelofShanghaiBundChannel)thisthesissimulatestheconstructionprocessbyusingthemethodofnonl

4、inearfiniteelementanalysisThedifferentconditionswithspecificparametersarediscussedinpresentstudyAccordingtothefeaturesforconstructionofsuperlargediameterearthpressurebalancedtunnelathreedimensionFEAmodelhasbeenestablishe

5、dtoanalyzethegroundmovementandgroundsurfacesettlementbyearthcoveringthicknessandshielddiameterTheinfluencesofearthcoveringthicknessandshielddiameteronthemaximalgroundsurfacesettlementwhichshowsomepotentialtohelpthetunnel

6、design，arestudiedA3DFEMmodelconsideringshallowcoveringiSconstructedtostudytheinfluencesofthepressuresofsoilchamberandgroutingongroundsettlementTheresultsconcludedabovecanmakesomeadvicesforshieldtunnelingconstructionThist

7、hesisstudiestheinfluenceofanewconstructionwhichabovecrossesanoldnearbytunnelsontheexistingtunnels(Metroline2)，andthesettlementofbuildingnearbyiSinvestigatedaswell，suchasAstorHouseHotelThedeformationofexistingbuildingcaus

8、edbycrossingconstructioniSinvestigatedandvaluableconclusionsareobtainedThecomputationaldataandrelatedconclusionsinthisthesiscanbeareferenceforsuperlargediametertunneldesignandconstructioninthe?！縯l】reKeyWord：Superlargedia