PLAXIS LIQUEFACTION MODEL UBC3D-PLM - Knowledge Base

List of Figures1.1 The intersection of the six planes and finally the yield surfacein 3-D principal stress space. From Tsegaye (2010) . . . . . . 41.2 Projection of the yield surface in the deviatoric plane . . . . . 51.3 Systematization of the yield surfaces in p’-q stress space . . . 61.4 The original UBCSAND’s Hardening Rule . . . . . . . . . . . 81.5 Graphical representation of the modified Rowe’s flow rule asused in UBC3D-PLM . . . . . . . . . . . . . . . . . . . . . . 101.6 Proposed reformulation of the UBC3D-PLM for cyclic loading 222.1 Validation of the UBC3D-PLM under monotonic triaxial compression.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242.2 Validation of the UBC3D-PLM under monotonic direct simpleshear. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252.3 Validation of UBC3D-PLM in cyclic loading. Undrained behaviourof Fraser sand (RD = 40%) under cyclic simple shear.Stress path in Test 1 with CSR = 0.08. . . . . . . . . . . . . 272.4 Validation of UBC3D-PLM in cyclic loading. Evolution of theexcess pore pressure in Test 1. Fraser sand with RD = 40%.CSR = 0.08. . . . . . . . . . . . . . . . . . . . . . . . . . . . 282.5 Validation of UBC3D-PLM in cyclic loading. Stress-strainrelationship of Fraser sand with RD = 40% in Test 1. CSR =0.08. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 293