泥水盾構(gòu)越江工程施工技術(shù)研究.pdf

1、⑨中國(guó)近代第一所大學(xué)FOUNBEDlN1895天串大薯TlANJlNUNlVERSlTY工程碩士學(xué)位論文灌●躪■一In領(lǐng)域：作者姓名：指導(dǎo)教師：企業(yè)導(dǎo)師：天津大學(xué)研究生院2005年5月ABSTRACTTheSS(SlurryShieldMachine)methodisthebestchoiceforthetunnelprojectwiththehighestventureandclmllengeInrecent，fourSSmethod

2、projectshavebeencontracted，threebiggesthighwaytunnelsunderYangtzeRiver(Wuhang，Nanjing，Shanghai)andawatertransfusiontunnelthroughYellowRiver，whichtransfusewaterfromsouthchinatonorthchinaThedemandsforconstructiontechniqueo

3、ftheSSmethodareinurgent，especiallytheproblemsinlist：1)Tunnelisconstructedundertheverydifficultgeotectonieconditions，suchasthesandlayerwiththewatercontentgreaterthanitsliquidlimit；underriverwiththeoverburdenearthwaslessth

4、an06timesthetunneldiameter；thehighwaterpressure；2)howtokeepthebuildingonthesurfacesafe，wheretheconstructionenvironmentiscomplicated，egmanybuildings，manypipelines，suchasgaspipe，watersupplyandseweragepipes，telephoneandCATV

5、cables；3)Thespecialtunnelberingmachine，whichouterdiameteroftheshieldisbiggerthan10m，themultidiametertunnel，Thelongesttunnel，whichislongerthan1000mThispaperpresentsagoodexampleforSSmethodresearch——tbe“Li—Da’sectionwhichis

6、between‘‘Lijiaostation：’～‘‘Xiajiaostation’’～“Dashistation’inGuangzhouMetroline3Bythecase，thispaperinvestigatestheproblemsupwardAccordingtothecharactersofthetunnelconstructionandthekeytechniquesofSSmethod，thispaperdiscuss

7、estheproblemsuponFirst，analysisOilthegeoteetonieconditionsof“LiDa’sectionThegeoteetonicconditionsareverycomplicated，whichcontainhighsensitivitysoftmuckyclay，sandlayerfilledwithhigllpressurewater，andseriously(ormoderately

8、)weatheredrocks；therearetwosectionsunderPearlRiveroneis312m，theotheris512mSecond，designingoftheSSbasedontheconditions：1selectionofcut—headandcutter2theslurrydisposeandcirclesystemThird，theconstructiontechnique：1thekeyofd

9、eepfoundationpitforSSstartinginhighsensitivitysoRmuckyclay；2startingdrivenmethodsinthesoftground，3howtodriveundertheriver，4howtoovercomethecollapseundertheriver5hoistingandmovingTBMinwholeThispapercontainsfirst—handdatac