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1D Soil Compression Behavior and Three Generalized Soil Models - Coggle…
1D Soil Compression Behavior and Three Generalized Soil Models
MIT-E3 (Clays)
Extend Critical State
to Cross-anisotropic clays
Yield Surface
Rotation
Describes Kinematic Hardening
Describes Anisotropy evolution
Nonlinear Stiffness
Paraelastic Behavior
Linked to Strain history
MIT-SR (Viscoplastic Clays)
Couples
Consolidation
Internal microstructural variable Ra
Creep
Parameter beta
Governs rate dependence
Reconciles hypotheses A
no scale
Reconciles hypotheses B
scale dependent
MIT-S1 (Sands)
Limiting Compression Curve (LCC)
reference for compression behavior
Captures particle crushing
Captures void ratio
Captures strength correlation
Defines non-linear CSL
Independent robust data
Unified Soil Behavior
Yield surface
Shape
ellipsoid
Links Sands & clays
lemniscate
Consolidation
Stress history
Determines
Yield direction
Anisotropy
Fabric Orientation / Particle Contact
Drive Macroscopic response