疏樁基礎(chǔ)的受力性狀分析

1、重慶大學(xué)碩士學(xué)位論文疏樁基礎(chǔ)的受力性狀分析姓名：賈亞申請學(xué)位級別：碩士專業(yè)：巖土工程指導(dǎo)教師：干騰君20060501英文摘要IIIABSTRACTThedesignofpileraftfoundationinalongtimehasbeencarriedonaccdingtoroutinepilefoundation’designduetohavenoefficientcomputingmethod.Thecarringcapacity

2、ofsoilcan’tgetfullyused.Thedistancebetweenroutinepilesfoundationisoversizedindertousesoil’ssupptingcapacitythinkoverthepilesoil’scombinedsupptingcapacity.Thispilefoundationiscalledcompositepilefoundation(thinnedpilefound

3、ation).Nowthemechanicsofcompositefoundationisnotveryclearthisarticleismainlyoncompositefoundationcombinedaction.Onthebasisofrelatedliteratureathomeabroadthispaperputsemphasisonstudyingtheproblembyfiniteelement.Intheanaly

4、sisofraftKichhoff’sthinplatetheyisimptant.Withthebuildingaregettinghigherthethicknessofraftisgettingmethicktootheshapeisgettingirregular.Tothisraftifrectanglethinplateisstillusedwillhaslimitation.Sotheelasticmaterialisus

5、edtosimulatethepilesraftsuperstructurethenonlinearelasticityDuncanChangmodelisusedtosimulatesoilaswellasinterfaceelementmethodisintroducedinbetweenpilessoil.Thefiniteelementmethodisusedtoanalyzethesuperstructurethestiffn

6、essmatrixiscondensedfromtoptobottom.Using2D8nodeisoparameterbendingelement3D20nodeisoparameter3D16nodeinterfaceelementacouplednonlinearnumericalapproachfthepiledraftsystemissetup.TheObjectientedprogrammingoffiniteelement

7、softwarewithVCisdeveloped.Thissimplifiedspatialprogramiswkedoutonthebaseofthisarticle’stheyanalyzedsomemainparameter’sinfluence.Someregularconclusionisgotten.Casestudyshowthattheobjectientedmodelpresentedinthisdissertati