Hardening Soil model with small strain stiffness - Zace Services Ltd.

Estimation of material properties: stress paths in p-q plane
Estimation of friction angle φ = φ cs and cohesion c
q
Residual M-C envelope
1
6sinφ
M*
=
3 − sinφ
6 cosφ
c*
= c
3 − sinφ
p
If we know M ∗ and c ∗ then we can compute φ and c:
φ = arcsin 3 M∗
6 + M ∗ c = c ∗ 3 − sin φ
6 cos φ
Andrzej Truty ZACE Services
Hardening Soil model with small strain stiffness