Numerical Modeling: An Efficient Tool for Analyzing the Behavior of Constructions - Multiscale Geomechanics: From Soil to Engineering Projects - page 240

244 Multiscale Geomechanics

D R Relative mass density

I D Density index

E Young's modulus

E p Shear hardening modulus

e Void ratio

e i Basic vector

e w L Void ratio for a water content of w L

e w P Void ratio for a water content of w P

f Stress yield function

F Strain yield function

g Gravity acceleration

G Shear modulus

G max Maximum shear modulus

G ref Shear modulus at reference pressure

G s Specific density of soil grains

I,I Unit tensor of second order and fourth order

I p

Plasticity index

K Elastic bulk modulus

K w Water compressibility

Slope of the perfect plasticity line in ( q − p ) plane

M

M act Set of active plastic mechanisms

M pact Set of potential active plastic mechanisms

n Normal vector

n e Elasticity law exponent

n p Deviatoric hardening rule's exponent

OCR Overconsolidation ratio

p a Atmospheric pressure

p desat Pressure at which the liquid phase becomes discontinuous

p c Critical pressure

P c0 Initial critical pressure

P ns
c

Unsaturated critical pressure

p Mean effective stress (σ 1 + σ 2 + σ 3 )/3

p c Capillary pressure (or suction in the soil)

p i Pressure in phase i

p c0 Initial critical pressure in ( ε v − ln p c ) plane

p ref Reference pressure

p sat Pressure at which saturation is reached

p w Pore pressure

S i Degree of saturation of phase i

R Radius of the spheres

S w Degree of saturation in water

S a Degree of saturation in air