各向異性飽和軟土的滲流耦合分析及其工程應(yīng)用.pdf

1、同濟大學(xué)博士學(xué)位論文各向異性飽和軟土的滲流耦合分析及其工程應(yīng)用姓名：楊志錫申請學(xué)位級別：博士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：楊林德2001.3.1AbstractoftheDissertationTheCouplingAnalysesontheSeepageFlowinAnisotropicSaturatedSoftSoilsandItsApplicationsinGeotechnicalEngineeringBasedonthebasichy

2、drauliccharacteristicsofthetransientseepageflowthepermeabilityofsoilrockmediacanbeclassifiedqualitativelyasfivebasictypes，iehomogeneousisotropyhomogeneousanisotropyheterogeneousisotropyheterogeneousanisotropyandheterogen

3、eousnonlinearity，thentheanalysistheoryaswellasthenumericmethodforthetransientseepagefieldinanisotropicsaturatedsoilsisestablishedinthispaperThedimensionlesssolutionsforanexcavationpitwithtransientseepageflowinanisotropic

4、softsoilsalecomputedanddemonstratedgraphicallyTheanisotropice肫c6vestresscoefficientcanbetakenasasecond—ordertensoraccordingtothevolumetricresponsesofanisotropicsaturatedsoils，andthecoupledconstitutiveequationsofanisotrop

5、icsaturatedsoilsarederivedconsequentlyTheanisotropiccoupledconsolidationtheoryanditsnumericarithmeticofFEMindirectcouplingmethodareconstructedAimedattheseverelyillposedequationwhichisformedindirectcouplingmethodfortheani

6、sotropicsaturatedsoils，thenumericsimulationsofFEMunderMATLAB5xhavesuccessfullybeenimplementedaccordingtothecompilingtechnologyofFEMandMATLABlanguage，whichaleorientedobjcctsForthecoupledanalysesofanisotropicseepageflowano

7、ptimalarithmeticwithdynamicallyassignedweightingcoefficientsispresented，thentheoptimalbackanalysismethodofparameters’determinationforanisotropiecoupledseepagefieldcallbecarriedoutComparedwiththemeasureddatainsitu，thecoup

8、leddemonstrationsofanexcavationpitinsoftsoilsalewellenunciateditsrationalityandcorrectnessoftheanisotropiecoupledconsolidationtheoryingeotechnicalEngineeringKeywordsSeepageflowGfolllldw砷erAnisotropyCouplingeffectBackanal