Table T1. Nomenclature.
Variable | Definition | Dimension | Unit |
---|---|---|---|
A | Cross-sectional area | L2 | m2 |
Cc | Compression index | — | — |
Cv | Coefficient of consolidation | L2/T | m2/s |
e | Void ratio | Dimensionless | — |
Δe | Change in void ratio | Dimensionless | — |
g | Gravitational acceleration | L/T2 | m/s2 |
Hn | Current specimen height | L | mm |
Hs | Height of the solids | L | mm |
H0 | Initial height | L | mm |
K | Hydraulic conductivity | L/T | m/s |
Kin situ | In situ hydraulic conductivity | L/T | m/s |
K0 | Coefficient of lateral stress at rest | Dimensionless | — |
k | Permeability | L2 | m2 |
kin situ | In situ permeability | L2 | m2 |
mv | Coefficient of volume compressibility | LT2/M | 1/kPa |
OCR | Overconsolidation ratio | Dimensionless | — |
Pc′ | Preconsolidation pressure | M/LT2 | kPa |
Pf | (Basal) pore fluid pressure | M/LT2 | kPa |
Pp_down | Downstream pore pressure | M/LT2 | kPa |
Pp_up | Upstream pore pressure | M/LT2 | kPa |
Q | Flow rate | M3/T | m3/s |
Δu | Excess basal pore pressure | M/LT2 | kPa |
ε | Vertical strain | Dimensionless | — |
Δe | Change in vertical strain | Dimensionless | — |
Strain rate | 1/T | 1/h | |
ϕ | Porosity | Dimensionless | — |
ϕin situ | In situ porosity | Dimensionless | — |
µ | Fluid viscosity | M/LT | Pa·s |
ρw | Density of seawater | M/L3 | kg/m3 |
σA | Total axial stress | M/LT2 | kPa |
σ′A | Effective axial stress | M/LT2 | kPa |
Δσ′A | Change in effective axial stress | M/LT2 | kPa |
σm′ | Effective mean stress | M/LT2 | kPa |
σH′ | Effective horizontal stress | M/LT2 | kPa |
σvh′ | Effective vertical stress at hydrostatic | M/LT2 | kPa |
σ1′, σ2′, σ3′ | effective principal stresses | M/LT2 | kPa |
— = not applicable.
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