Computational Geomechanics Including Consolidation

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1、Chapter16ComputationalGeomechanicsIncludingConsolidationJohnP.CarterandJohnC.SmallTheUniversityofSydney,Sydney,NSW,Australiainroutinetaskssuchastheassessmentofstrength,the1Introduction543analysisofsoilconsolidation,andinestimationofslopestability.Withtheintroductionofelectroniccomp

2、utersin2CharacteristicsofGeotechnicalProblems544thesecondhalfofthetwentiethcenturycametheoppor-3DeterministicGeotechnicalAnalysis544tunityforengineerstomakemuchmoreuseofnumerical4MethodsofNumericalAnalysis545procedurestosolvetheequationsgoverningtheirpractical5LimitAnalysisUsingFin

3、iteElements549problems.Thisnewcomputingpowerhasmadepossible6ConstitutiveModelsforGeomaterials551thesolutionofquitecomplicatednonlinear,time-dependent7Soil-StructureInteraction558problems,boundaryandinitialvalueproblemsthatwere8Consolidation561oncetootediousandintractableusinghandme

4、thodsof9StochasticTechniques567calculation.Theavailabilityofpersonalcomputershasmeantthat10ConcludingRemarks569thesenumericaltoolsforthesolutionofboundaryandAcknowledgments569initialvalueproblemsnolongerremainthepreserveofReferences569academicandresearchengineers.Withthespectacular

5、improvementsinhardwarehavecomemajordevelopmentsinsoftware,withverysophisticatedpackagesforsolving1INTRODUCTIONgeotechnicalproblemsnowbeingcommerciallyavailable.Theseincludeawiderangeofcomputerprogramsforsolvingproblemsfromthemoreroutine,suchaslimitingEngineersandscientistshavelongh

6、eldthedesiretounder-equilibriumcalculations,tothemostpowerfulnonlinearstandthephysicalworldandtobeabletodescribeitfiniteelementanalyses.usingmathematicalconcepts.Thedisciplineofgeotechni-Theavailabilityofthispowerfulhardwareandsophisti-calengineeringisnoexception.Firstresearchersand

7、nowcatedgeotechnicalsoftwarehasallowedgeotechnicalengi-practitionersroutinelymakeuseofmathematicalmodelsandcomputertechnologyintheirday-to-daywork,tryingneerstoexaminemanyproblemsinmuchgreaterdepththantounderstandandpredicttheirworldofgeomaterials.Basicwaspreviouslypossible.Inparti

8、cular,theyhaveallowednumer