基于ABAQUS平臺的四渡河懸索橋隧道錨固系統(tǒng)數(shù)值仿真.pdf

1、華中科技大學(xué)碩士學(xué)位論文基于ABAQUS平臺的四渡河懸索橋隧道錨固系統(tǒng)數(shù)值仿真姓名：李昊申請學(xué)位級別：碩士專業(yè)：橋梁與隧道工程指導(dǎo)教師：衛(wèi)軍20050417IIAbstractThispaperregardsSiduheSuperSuspensionBridge’stunneltypeanchtheanch’swallrockasresearchobject.BasedonthelfmgeologicacteristicofSiduhe

2、anchlocususingthreedimensionalnonlinearfiniteelementanalysissoftwareABAQUSweanalyzedthereactionofSiduheSuspensionanchlocus’swallrockinthediggrottocourseliningconstructionconcretelayingnmalwking.Thebasicfunctionvirtuethei

3、nterimodule’sacteristicthegiganticmaterialdatabaseelementdatabaseofABAQUSareintroducedinthepaper.ThemainresearchcontainsthechoiceofrockmassmodelsettingupinitialgeostressfieldNewAustrianTunnelingMethodprocesssimulation.Th

4、eresearchesofthesecriticalissuesareallbasedonABAQUSplatfm.ThenumericalanalysisofSiduhetunneltypeanchchoosesDruckerPragermodelbasedonRankinecriterion.FmulamanipulationonincrementaltheyofplasticityaboutDruckerPrageryieldcr

5、iterionRankinecriterionareintroducedhere.Wealsomanipulatetheyieldfunctionplasticpotentialfunction’sfirstpartialderivationsecondpartialderivation.Atthesametimetheunitofthetwocriterionsisdiscussed.Theinitialgeostressfieldo

6、fSiduhetunneltypeanchlocushasselfweightstressonly.Accdingastheselfweightstressfield’sfundamentalprincipleinrockmechanicsweattaintheinitialgeostressdatainadvancethroughsimplenumericalanalysismethod.Thenthedatainputmethodo

7、ninitialgeostressfield’sresultinABAQUSiscomeup.Howtousegeostressautomaticdeactivation’sprinciplesimulatesexcavatingofhighwaytunnelanchtunnelarepresentation.Weresearchedtheimplementationprocedureaboutexcavateconstructioni