Consideringtheeffectsofparticlecrushingandintermediateprincipalstressonmaterialyieldingstrength,thespatialmobilizationplane(SMP)yieldingcriterionandstateparametermodelincludingageneralcriticalstatelineareselectedintheanalysisofcylindricalcavityexpansion.Meanwhile,combiningRowe'sflowruleandBolton'ssimplificationtostress-dilatancyrelationshiptoreflectsoilsheardilatancyandsofteningbehavior,thispaperanalyzestheproblemofcylindricalcavityexpansioni...