www.bewet.fora.pl

loczytzn

Calculation of vertical dynamic impedance of pile and its influencing factors

52SimplifiedComputationalModelandParametricStudiesofVerticalDynamicImpedanceforSinglePileLuanMaotian''. KongDesen '(InstituteofGeotechnicalEngineering. SchoolofCivilandHydraulicEngineering, DalianUniversityofTechnology.Dalian. 116024, China) (StateKeyLaboratoryofCoastalandOffshoreEngineering, DalianUniversityofTechnology,[link widoczny dla zalogowanych], Dalian, 116024, China) (. InstituteofRockandSoilMechanics,[link widoczny dla zalogowanych], TheChineseAcademyofSciences, Wuhan, 430071, China) (SchoolofCivilandArchitecturalEngineering, ShandongUniversityofScienceandTechnology,[link widoczny dla zalogowanych], Qingdao, 266510.China) Abstract : Asimplifiedmechanicalmodelforcomputingtheverticaldynamicimpedancefunctionofsinglepileisestablishedbasedonacertainassumptionsandtheimproveddynamicmodelofbeam-on-Winkler'sfoundationbyusingtheprincipleofsoildynamicsandstructualdynamics. Boththesofteningeffectofsoilsaroundpileduringvibrationandslippagealongthepile-soilinterfacearetakenintoaccount. Thecharacteristicsofthefrequency-dependencyofdynamicstiffnessanddampingofpilearereproduced. Itisshownthroughthecomparativestudiesonanexamplethatthenumericalresultsofdynamicimpedanceofpilecomputedbytheproposedmethodarerelativelyrationalandcanwellagreewiththecomputationalandex-perimentalresultscurrentlyavailable. Finallyparametricstudiesaremadeforavariedrangeofmainparametersinvolvedtodiscusstheeffectofrelevantfactorsonverticaldynamicimpedanceofpile. Keywords: pilefoundation; verticaldynamicimpedance; slippage; verticalvibration; dynamicpile-soilinteraction first author : LUAN Mao-tian ,[link widoczny dla zalogowanych], male . Ph.D.,[link widoczny dla zalogowanych], Professor , January 1962 students. Tel : (0411) 84708513; E-mail: mtluan @ dlut. edu. cn

相关的主题文章：

ropa ed hardy Packaging industry associations in t

[link widoczny dla zalogowanych]

magasin abercrombie Printing companies how to reco