Numerical Modeling: An Efficient Tool for Analyzing the Behavior of Constructions - Multiscale Geomechanics: From Soil to Engineering Projects - page 317

322 Multiscale Geomechanics

Core Rockfill
Initial set Final set Initial set Final set

Elasticity
K ref (MPa)

275 275 470 484

G ref (MPa) 128 128 200 165

n 0.6 0.6 0.3 0.3

p ref (MPa) 1 1 1 1

Initial state
p c0 (MPa)

0.53 0.53 1.2 1.2

Critical state
φ pp (degree) 28 28 43 43

β 29 33 40 52

d 2 2 2 2

b 0.9 0.9 0.12 0.12

Dilatancy
ψ (degree)

28 28 40 40

α 1 1 1 1

Deviatoric hardening
a 1

0.001 0.001 0.010 0.012

a 2

0.0005 0.0005 0.005 0.006

Isotropic hardening
c 1 0.1 0.1 0.004 0.004

c 2 0.05 0.05 0.002 0.002

Behavior domain
r ela 0.0001 0.0001 0.02 0.02

r hys 0.002 0.002 0.04 0.04

r mob 0.05 0.05 0.8 0.8

r iso 0.0003 0.0003 0.001 0.001

m p 1 1 1 1

Hydraulic parameters
k (m/s)

210 −10 210 −10

- -

810 −5 810 −5

filters - -

Table A.4. Parameters used for the material of El Infiernillo dam [SIC 00]; only the
parameters in bold have been modified during calibration