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

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Estimation of material properties: stress paths in p-q plane Estimation of friction angle φ = φ cs and cohesion c 3000 q [kPa] 2500 2000 1500 1000 2358 1 2358/1386=1.7 500 1386 0 0 300 600 900 1200 1500 1800 p [kPa] Here: φ = arcsin 3 ∗ 1.7 6 + 1.7 ≈ 42o c = 0 Andrzej Truty ZACE Services Hardening Soil model with small strain stiffness
Estimation of material properties: dilatancy angle 0.06 0.05 EPS-V [-] 0.04 0.03 0.02 0.01 d 1 Dilatancy cut-off 0 -0.01 -0.02 0 0.02 0.04 0.06 0.08 0.1 ψ = arcsin EPS-1 = - EPS-3 [-] ( d 2 + d ) Andrzej Truty ZACE Services Hardening Soil model with small strain stiffness
Page 1 and 2: Hardening Soil model with small str
Page 3 and 4: Introduction HS model was initially
Page 5 and 6: Notion of tangent and secant stiffn
Page 7 and 8: Notion of treshold shear strain γ
Page 9 and 10: HS model: general concept Double ha
Page 11 and 12: Stiffness stress dependency Remarks
Page 13 and 14: How does it work N-1 N N+1 plot fr
Page 15 and 16: Setting initial state variables: γ
Page 17 and 18: Setting initial state variables: γ
Page 19 and 20: Material properties Parameter Unit
Page 21 and 22: Example: triaxial test on dense Hos
Page 23 and 24: Example: triaxial test on dense Hos
Page 25: Estimation of material properties:
Page 29 and 30: Estimation of material properties:
Page 37 and 38: Excavation in Berlin Sand: FE discr
Page 39 and 40: Excavation in Berlin Sand: Wall def
Page 41 and 42: Excavation in Berlin Sand: Soil def

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

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