北京地鐵盾構(gòu)施工沿線地下管線(道)變形損傷特征與安全控制.pdf

1、北京工業(yè)大學(xué)碩士學(xué)位論文北京地鐵盾構(gòu)施工沿線地下管線（道）變形損傷特征與安全控制姓名：劉方元申請學(xué)位級別：碩士專業(yè)：巖土工程指導(dǎo)教師：姚愛軍20090501北京工業(yè)大學(xué)工學(xué)碩士學(xué)位論文ABSTRACTWitllthedevelopmentofunbanization，theconstructionofsubwayiSmoreandmoreregardedbypeopleshieldmethodiswidelyusedinconstruc

2、tionofsubwaybecauseofitsmeritsAlthoughshieldmethodbecomesmoreandmoremature，engineeringpracticesindicatethatthedestabilizationofsurroundingsoilcausedbyshieldconstructioncannotbeavoidedandmayleadtogroundsettlementThesettle

3、mentcanspreadtotheneighboringpipelines，thenthesafetyofpipelinesiseffectedManytheoreticalharvestsandconstructionexperiencesonpipelinesdeformationcausedbyshieldconstructionarepresentedButthedisasterscausedbyshieldconstruct

4、ionareofterreportedinrecentyearsThus，researchsubjectonreducingtheeffectofshieldconstructionfurthestisveryimportant，induceexploringtheinfluencingfactorsandrulesofadjacentpipelines，reducingthesettlementofpipelinesandputtin

5、gforwardthehazardresistantmeasuresThepaperanalysestheinfluencebetweenshieldconstructionandtheadjacentpipelines，getssomeprominentregularityandcharacteristicsfirstlyThenbasedonthedetaildstudyofgeologicalconditionanddesignp

6、arameters，takesatypicalshieldsectionoflineno10ofBeijingsubwayforexample，F(xiàn)LAC’usoftwareisusedtosimulatethesettlementanddeformationofadjacentpipelinescausedbyshieldconstructionAtlast，generalizedanalysisDomesticstandard、Pro

7、vincialstandard、professionstandardandOverseasstandardaboutPipelinestandardofsecurityProposedinviewofBeijingareapipelinesafetyhandlingstandardandmeasuresusedtoprotecttheadjacentpipelinesareputforward；mainmeasuresareanalyz

8、edbynumericalsimulationmethodThemainconclusionasfclllows：1、Thesingletrackshieldconstructioncausescrosswisepipelineledgerwallsettlingcurvesimilarnormaldistributioncurve2、IIl也everticalmodel，whenacertaindepthofthetunnel，the

9、subwayshieldtunnelconstructionontheimpactofpipelineandpipelinerelatedtothedepthThemoreshallowdepthpipeline，thesmallertheaffectedarea；pipelinedeeperdepth，thegreatersphereofinfluence3、Theinflectionpointpositionmayknowfromt

10、hesealingcurve，whenpipelineandsubwaytunnelvertical，subwaytunneltopipelineareaofinfluencefortsubwaytunnelaxiscentereachapproximately25meters4、NumericalsimulationofmJllinlumprincipalstressequipotentiallinemapshowsthatpipea