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 Wysłany: Sob 23:05, 07 Maj 2011 Temat postu: tory burch outlet Calculation of vertical dynamic |
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Calculation of vertical dynamic impedance of pile and its influencing factors
52SimplifiedComputationalModelandParametricStudiesofVerticalDynamicImpedanceforSinglePileLuanMaotian''. KongDesen '(InstituteofGeotechnicalEngineering. SchoolofCivilandHydraulicEngineering,[link widoczny dla zalogowanych], DalianUniversityofTechnology.Dalian. 116024, China) (StateKeyLaboratoryofCoastalandOffshoreEngineering, DalianUniversityofTechnology, Dalian, 116024, China) (. InstituteofRockandSoilMechanics,[link widoczny dla zalogowanych], TheChineseAcademyofSciences,[link widoczny dla zalogowanych], Wuhan, 430071,[link widoczny dla zalogowanych], China) (SchoolofCivilandArchitecturalEngineering, ShandongUniversityofScienceandTechnology, Qingdao,[link widoczny dla zalogowanych], 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 , male . Ph.D., Professor , January 1962 students. Tel : (0411) 84708513; E-mail: mtluan @ dlut. edu. cn
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