 Posted: Sat 23:09, 07 May 2011 Post subject: gorras ed hardy Calculation of vertical dynamic im |
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| Calculation of vertical dynamic impedance of pile and its influencing factors
52SimplifiedComputationalModelandParametricStudiesofVerticalDynamicImpedanceforSinglePileLuanMaotian''. KongDesen '(InstituteofGeotechnicalEngineering. SchoolofCivilandHydraulicEngineering, DalianUniversityofTechnology.Dalian. 116024, China) (StateKeyLaboratoryofCoastalandOffshoreEngineering,Christian Louboutin, DalianUniversityofTechnology,oakley brasil, Dalian, 116024, China) (. InstituteofRockandSoilMechanics, TheChineseAcademyofSciences, Wuhan, 430071, China) (SchoolofCivilandArchitecturalEngineering, ShandongUniversityofScienceandTechnology,gorras ed hardy, 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.,ed hardy bikinit, Professor ,abercrombie et fitch, January 1962 students. Tel : (0411) 84708513; E-mail: mtluan @ dlut. edu. cn 相关的主题文章： Hollister sale 156 categories of paper products quality in Putian, Fujian, _2135 mac cosmetics discount Packaging Design fonts and abercrombie günstig The urgent problem of packagi |
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