AJackingForceStudyofCurvedSteelPipeRoofinGongbeiTunnelCalculationReviewandMonitoringDataAnalysis
AJackingForceStudyofCurvedSteelPipeRoofinGongbeiTunnelCalculationReviewandMonitoringDataAnalysis.pdf
Jackingforceisoneofthecrucialparametersforpipestructuredesign,selectionofpipejackingmachineandshaftstructuredesignduringjackingprocess.Topredictthejackingforcemoreaccurately,thispapersummarizesfourcalculationmethodsofcurvedjackingforce.TheJapanMicroTunnelingAssociation(JMTA)MethodisbasedonTerzaghiarchingtheorywithfullcontactbetweenpipeandsoil.WhiletheHertzcontactmethodisbasedonthepartialcontactmodel.ShimadamethodandPerssoncontactmethodconsidertheinfluenceoffrictionalresistanceofpipe-soilandpipe-mudconcurrentlyinthestableconditionofexcavationcavity.ByfieldmonitoringofjackingforcedataindifferenttypesofsoilandcoverdepthinthecurvedpipejackingroofofGongbeitunnel,thecutterheadresistance,dynamicandstaticfrictionalresistancehavebeenanalyzed.Also,theadditionalfrictionalresistancecausedbystoppageeffecthasbeenpresented.Theresultsshowthatthemudpressureismoreconvenienttocalculatethecutterheadresistancethanactivesoilpressure.ThePerssoncontactmodelisapplicabletocalculatethefrictioninstableconditionofexcavationcavitywhiletheShimadamodeliscapableofpredictingfrictionalresistancevaluesforunstablecondition.
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母体文献：第九届管道工程与非开挖技术国际研讨会论文集
会议名称：第九届管道工程与非开挖技术国际研讨会
会议时间：2018年10月24日
会议地点：武汉
主办单位：中国地质大学
语种：chi
分类号：
关键词：CurvedSteelPipeJacking,JackingForceFullContactModelPartialContactModelCutterheadResistanceFrictionalResistance
在线出版日期：2021年12月15日
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