摘要
Experimentsshowthatsiltsandsiltysoilsexhibitcontractionfollowedbydilationduringshearingandtheslopeoffailurelinedecreasesatlargestrains,termedasphasetransformationbehaviour.Thispaperistodevelopanewmicromechanicalstress-strainmodelthataccountsforthephasetransformationbehaviourbyexplicitlyemployingthephasetransformationlineanditsrelatedfrictionangles.Theoverallstrainincludesplasticslidingandplasticcompressionamonggrains.Theinternal-frictionangleatthephasetransformationstateandthevoidstatevariableareemployedtodescribethephasetransformationbehaviour.ThemodelisexaminedbysimulatingundrainedanddrainedtriaxialcompressiontestsperformedonPiteasilts.Thelocalstress-strainbehaviourforcontactplanesisalsoinvestigated.更多还原
出版日期
2014年03月13日（中国期刊网平台首次上网日期，不代表论文的发表时间）
