 Wysłany: Sob 23:13, 07 Maj 2011 Temat postu: ed hardy danmark Calculation of vertical dynamic i |
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| Calculation of vertical dynamic impedance of pile and its influencing factors
52SimplifiedComputationalModelandParametricStudiesofVerticalDynamicImpedanceforSinglePileLuanMaotian''. KongDesen '(InstituteofGeotechnicalEngineering. SchoolofCivilandHydraulicEngineering,ed hardy lippis, DalianUniversityofTechnology.Dalian. 116024, China) (StateKeyLaboratoryofCoastalandOffshoreEngineering,oakley brasil, DalianUniversityofTechnology, Dalian, 116024, China) (. InstituteofRockandSoilMechanics,Abercrombie and Fitch, TheChineseAcademyofSciences,oakley solbriller, Wuhan, 430071, China) (SchoolofCivilandArchitecturalEngineering, ShandongUniversityofScienceandTechnology, 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 , male . Ph.D., Professor ,ed hardy danmark, January 1962 students. Tel : (0411) 84708513; E-mail: mtluan @ dlut. edu. cn 相关的主题文章： Abercrombie Fitch uk Anti-counterfeiting technolog tory burch outlet The urgent problem of packaging ed hardy bikini Current situation of plastic waste |
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