Numerical Modeling: An Efficient Tool for Analyzing the Behavior of Constructions - Multiscale Geomechanics: From Soil to Engineering Projects - page 316

Interface : ECP model's parameters

Elasticity Critical state Flow rule Limit of

and plasticity domains

R n R n

0.45 0.01 0.45 0.01

E ref (MPa) 532.8 φ pp (degree) 30 14.5 ψ (degree)

30 14.5 r ela 0.005

G ref (MPa) 222.0 β 43 43 α ψ 1 1 r hys 0.003

0.0001 0.5 · 10 −8

n e 0.4 b 0.22 0.0 a 1 r mob 0.8

σ ref (MPa) 1 σ co 300 350 a 2 0.15 0.15

(kPa) m 1 1

T able A.3. 3D ECP model's parameters for the numerical simulation of Toyoura
sand-aluminum interface at different rugosities ( R n =0.45 and R n =0.01 ). Data used for
the simulation of centrifuge tests