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Table T5. Nomenclature used in consolidation studies, Expedition 322.

Variable
Definition
Dimension
Unit
hn Height of specimen L mm
h0 Initial height of specimen L mm
K Hydraulic conductivity L/T m/s
K0 Hydraulic conductivity at zero void ratio L/T m/s
OCR Overconsolidation ratio Dimensionless —
P′c Maximum past effective stress M/LT2 MPa
Cv Coefficient of consolidation L2/T m2/s
e Void ratio Dimensionless —
eend Final void ratio measured on specimen Dimensionless —
e0 Void ratio at the beginning of a load step Dimensionless —
ei Void ratio at the end of a load step Dimensionless —
eP′c In situ void ratio for silty claystones Dimensionless —
eσ′vh In situ void ratio for sandstone Dimensionless —
k Intrinsic permeability L2 m2
ki In situ intrinsic permeability L2 m2
mv Coefficient of volume compressibility LT2/M m2/MN
Δu Excess pore pressure M/LT2 kPa

Strain rate 1/T 1/s
γw Unit weight of water M/L2T2 N/m3
σv Applied vertical stress M/LT2 MPa
σ′v Vertical effective stress M/LT2 MPa
σ′v0 Vertical effective stress of current load step M/LT2 MPa
σ′v1 Vertical effective stress of previous load step M/LT2 MPa
σ′vh Hydrostatic vertical effective stress M/LT2 MPa
ν Dynamic fluid viscosity M/LT Pa·s
g Gravitational acceleration L/T2 m/s2
Cc Compression index of primary consolidation phase Dimensionless —
Cr Compression index of recompression phase Dimensionless —
Ce Compression index of unloading phase Dimensionless —
Vw Pore water volume at the end of the test V cm3
Vb Bulk volume at the end of the test V cm3
t Testing time T s
ρw Density of pore water M/L3 kg/m3
ρb Bulk density of sediment M/L3 kg/m3
z Depth below seafloor L m
α Slope of e-log(K) fit Dimensionless —

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