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Lessons Learned from Applications for Clay - Coggle Diagram
Lessons Learned from Applications for Clay
Site Variability in Clays
1D Compression Profiles
Vary across subunits
A-F for rBBC
Different compression indices
Reflect Holocene
Depositional Layering
Flocculation
microfabric
Void Ratios anomalies
Undrained Strength Anistropy
Accurate predictions
OCR = 1
bias increase
OCR > 4
Variation
linked to yield surface
geometry & orientation
Essential
Reliable stability & deformation modeling
Secondary Compression & Viscoplasticity
Confirms
Hypothesis A
Coexistence
Field and lab creep behavior
Hypotheses B
MIT-SR
Reproduces scaling effects
Observed
Osaka Bay
Pisa clays
Provides unified viscoplastic framework
Predict long term settlement
Model Calibration
40 YR Dataset
Resedimented Boston Blue Clay
rBBC
MIT-E3 Models
Effectively models anisotropy
Strain Softening
Undrained behavior
Engineering Implications
Critical for:
Braced excavations
Fabric evolution
cementation
Time Dependent Creep
Influences long term serviceability
Microstructural understanding
Fabric evolution / cementation