编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第PAGE17页共NUMPAGES17页第PAGE\*MERGEFORMAT17页共NUMPAGES\*MERGEFORMAT17页指导教师评定成绩(五级制)：指导教师签字：附件C：译文NumericalStudyofEffectofEncasementonStoneColumnPerformance护壁效应对“碎石桩性能”的数值分析MajidKhabbazian,Stud.M.ASCEGraduateStudentandGSIFellow,Dept.ofCivilandEnvironmentalEngineering,301DuPontHall,UniversityofDelaware,Newark,DE19716.E-mail:HYPERLINK"mailto:majid@udel.edu"majid@udel.edu纽瓦克，DE的19716，特拉华大学，301杜邦厅部，土木与环境工程系，研究生和GSI研究员MajidKhabbazian,Stud.M.ASCE。电子邮箱：HYPERLINK"mailto:majid@udel.edu"majid@udel.eduChristopherL.Meehan,A.M.ASCEAssistantProfessor,Dept.ofCivilandEnvironmentalEngineering,301DuPontHall,UniversityofDelaware,Newark,DE19716.E-mail:HYPERLINK"mailto:cmeehan@udel.edu"cmeehan@udel.edu纽瓦克，DE.的19716，美国特拉华州，大学部，301杜邦厅，土木及环境工程系，HYPERLINK"mailto:cmeehan@udel.edu"cmeehan@udel.eduVictorN.Kaliakin,M.ASCEAssociateProfessor,Dept.ofCivilandEnvironmentalEngineering,301DuPontHall,UniversityofDelaware,Newark,DE19716.E-mail:HYPERLINK"mailto:kaliakin@udel.edu"kaliakin@udel.edu纽瓦克，DE的19716，美国特拉华州，大学部，301杜邦厅，土木及环境工程系，副教授。电子邮箱：HYPERLINK"mailto:kaliakin@udel.edu"kaliakin@udel.eduABSTRACT摘要Encasingastonecolumnwithahigh-strengthgeosyntheticprovidesthecolumnmaterialwithsignificantlateralconfinement,whichpreventslateraldisplacementofthecolumnintopotentiallysoftsurroundingsoilandconsequentlyincreasesthebearingcapacityofthecolumn.Althoughthistechniquehasbeensuccessfullyappliedinpractice,theloadtransfermechanismofencasedstonecolumnsandtheirperformanceincomparisonwithconventionalstonecolumnshavenotbeenstudiedindetail.Thispaperdescribesthree-dimensionalfiniteelementanalysesthatwerecarriedouttosimulatethebehaviorofasinglestonecolumnwithandwithoutencasementinaverysoftclaysoilusingthecomputerprogramABAQUS.Acomprehensivestudywasperformedtobetterunderstandthemechanismofloadtransferinconventionalstonecolumnsandgeosyntheticencasedstonecolumns.Theperformanceofpartiallyencasedcolumnswasthencomparedtothatoffullyen