NumericalStudyofRestrainedJointandPullingLoadforDuctileIronPipeinHorizontalDirectionalDrilling

NumericalStudyofRestrainedJointandPullingLoadforDuctileIronPipeinHorizontalDirectionalDrilling.pdf
Asanalternativepipematerial,DuctileIronPipe(DIP)hasbeenmoreandmorewidelyusedinHorizontalDirectionalDrilling(HDD)foritsexcellentmechanicalperformanceandcorrosionresistance.Thelimitedcapacityofrestrainedjointstowithstandpullingforceseverelyconstrainsitsapplicationinlong-distancecrossingprojects.TheFinite-ElementMethod(FEM)wasemployedtostudythefailuremechanismofrestrainedjointsaswellastheimpactofslopeangle,baseduponwhichanapproximatesolutionwasdevelopedtocalculatethemaximumpullcapacityofrestrainedjoints.Itwasshownthatthejointfailurestartedfromthespigotandanappropriateincreaseofslopeanglecouldimprovethejoint'smaximumpullcapacity.Consideringthepipeangulardeflection,anewpullbackloadestimationmodelwasestablishedanditsaccuracywasverifiedbyaHDDrivercrossingproject.
作者：ShunDongXuefengYanHaifengZhangBaosongMa
作者单位：CollegeofEngineering,ChinaUniversityofGeosciences-Wuhan,No.388LumoRoad,Wuhan,HubeiProvince,China
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：Horizontaldirectionaldrilling  Ductileironpipe  Failuremechanism  FEManalysis  Pullingforceestimation
在线出版日期：2021年12月15日
基金项目：
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NumericalStudyofRestrainedJointandPullingLoadforDuctileIronPipeinHorizontalDirectionalDrilling.pdf

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