Hardening soil model

Sekiguchi-Ohta model

Parameter

GTCM

Clay

Saturated unit weight (kN/m³)

15

16

Secant Modulus (kN/m²)

3300

-

Reference stress for stiffnesses (kN/m²)

100

-

Adhesive force (kN/m²)

5

12.2

Compression index

-

0.5

Recompression index

-

0.02

Poisson’s ratio

0.2

0.5