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Table T2. Nomenclature.

Variable Definition Dimension SI unit
Cc Compression index Dimensionless
Ce Expansion index Dimensionless
Gs Grain density M/L3 g/cm3
H Height of specimen L mm
H0 Initial height of specimen L mm
K Hydraulic conductivity L/T m/s
Ki In situ hydraulic conductivity L/T m/s
OCR Over consolidation ratio Dimensionless
Pc Preconsolidation pressure M/LT2 kPa
SED Strain energy density M/LT2 kJ/m3
Si Initial saturation Dimensionless
cv Coefficient of consolidation L2/T m2/s
e Void ratio Dimensionless
ei Initial void ratio measured on specimen Dimensionless
ki In situ permeability L2 m2
mv Frame compressibility LT2/M 1/kPa
u Basal pore pressure M/LT2 kPa
ub Back pressure M/LT2 kPa
wc Water content measured on trimmings Dimensionless
wn Water content measured on specimen Dimensionless
Δu Excess pore pressure M/LT2 kPa
Δuv Normalized excess pore pressure Dimensionless
δε/δt Strain rate 1/T %/h
ε Axial strain Dimensionless %
εi Axial strain prior to compression Dimensionless %
ρb Bulk density M/L3 g/cm3
γw Unit weight of water M/L2T2 kN/m3
σv Applied vertical stress M/LT2 kPa
σ′v Vertical effective stress M/LT2 kPa
σ′iv Vertical effective stress prior to compression M/LT2 kPa
σ′vh Hydrostatic vertical effective stress M/LT2 kPa
σ′vm Maximum vertical effective stress during consolidation M/LT2 kPa

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