高水壓鐵路隧道泄水式管片襯砌流固耦合研究.pdf

1、西南交通大學(xué)碩士學(xué)位論文高水壓鐵路隧道泄水式管片襯砌流固耦合研究姓名：鄭俊申請學(xué)位級別：碩士專業(yè)：橋梁與隧道工程指導(dǎo)教師：晏啟祥20100501西南交通大學(xué)碩士研究生學(xué)位論文第1I頁AbstractAtpresent，Chinahasbecomethecountrywiththelargestnumberthelargestscope，themostcomplicatedtechnicaldifficultyandthefastestg

2、rowingrailwaytunnelprojectsintheworldBecauseofthedevelopmentoftunnelprojectstomountainousterrain，thedeeplylongandhi曲warepressuretunnelsgrowmoreandmoreMountaintunnelconstructionwithhighwaterpressurewillapplythetunnelborin

3、gmachinemethod(TBM)moreandmoreWhentheprojectschedulerequirestightlyandthesupportdemandstobeconstructedverytimelyweneedtousealotoffabricatedsegmentliningAndwemustapplytheconceptofthedralnagedsegmentliningtespondthehighwar

4、epressureButnowthereisstillalackofrelevanttheoreticalandtechnicalsupportwhichisaboutloadcharacteristicsandmechanicalpropertiesofthedralnagedsegmentliningstructureThispaperisbasedonNationalNaturalScienceFoundationofChinap

5、rojectResearchontheLoadandMechanicsCharacteristicsofDrainagedSegmentLiningwithHighWaterPressureRailwayTunnelandtheobjectprojectisbasedonDalyunshanhighwaterpressurerailwaytunnelonXiangPurailwayTheauthorusesthefinitediffer

6、encemethodsimulationanalysisandsimilarmodeltestasresearchmeans，thenstudiessystematicallyontheloadandmechanicscharacteristicsofdrainagedsegmentliningwithmghwaterpressurerailwaytunnelThemainworksandresultsareasfollows：(1)B

7、asisonanalysisofthethreemeansaboutdealingwithwaterpressure，justas：groutingthewholeblockmethod；completelydrainagemethod；plugginglimitdrainage，theauthorgetstesearchtheactivitymechanismofdralnagedsegmentlininginhighwaterpre

8、ssuremountainrailwaytunnelCombiningthefeaturesofhighwaterpressuremountainrailwaytunnel，theauthorcarriesoutthecomparativestudyofthespecificresponsemeans(2)Basisonanalysisofthefluid—mechanicalinteractiontheoriesofseepagefi

9、eldandstressfieldinteractionathomeandabroad，andcombiningthecalculationtheoriesofthefinitedifferencemethod，theauthorpresentsthecalculationanalysismodelandsuitableborderconditionsoffluid—mechanicalinteractiontoadaptthefeat