|
Variable
|
Definition
|
Dimension
|
Unit
|
|
AMB
|
Mineral surface area covered by one molecule of methylene blue
|
L2
|
m2
|
|
Av
|
Avogadro’s number
|
Dimensionless
|
—
|
|
Cc
|
Compression index
|
Dimensionless
|
—
|
|
cv
|
Coefficient of consolidation
|
L2/T
|
m2/s
|
|
D
|
Particle diameter
|
L
|
m
|
|
D25
|
Particle diameter at which 25% are smaller by mass
|
L
|
µm
|
|
D50
|
Median particle diameter
|
L
|
µm
|
|
D75
|
Particle diameter at which 75% are smaller by mass
|
L
|
µm
|
|
e
|
Void ratio
|
Dimensionless
|
—
|
|
e0
|
Reference void ratio
|
Dimensionless
|
—
|
|
eσa′
|
Void ratio at axial effective stress
|
Dimensionless
|
—
|
|
g
|
Acceleration due to gravity
|
L/T2
|
m/s2
|
|
H
|
Instantaneous sample height
|
L
|
m
|
|
H0
|
Initial sample height
|
L
|
m
|
|
k
|
Permeability
|
L2
|
m2
|
|
k0
|
Permeability at reference void ratio
|
L2
|
m2
|
|
L
|
Effective depth from solution surface to center of hydrometer bulb
|
L
|
m
|
|
Mm
|
Molar mass of methylene blue
|
M
|
g/mol
|
|
mp
|
Mass fraction of particles remaining in suspension
|
Dimensionless
|
—
|
|
ms
|
Dry mass of specimen
|
M
|
kg
|
|
mv
|
Coefficient of volume compressibility
|
LT2/M
|
1/Pa
|
|
N
|
Number of methylene blue increments
|
Dimensionless
|
—
|
|
OCR
|
Overconsolidation ratio
|
Dimensionless
|
—
|
|
Pc
|
Air-water capillary pressure
|
M/LT2
|
Pa
|
|
PHg
|
Mercury injection pressure
|
M/LT2
|
Pa
|
|
r50
|
Median pore radius
|
L
|
µm
|
|
rp
|
Pore radius
|
L
|
m
|
|
Sa
|
Specific surface
|
L2/M
|
m2/g
|
|
t
|
Time
|
T
|
s
|
|
V
|
Volume of solution
|
L3
|
m3
|
|
Δu
|
Base excess pressure
|
M/LT2
|
Pa
|
|
ΔW
|
Work per unit volume
|
M/LT2
|
J/m3
|
|
z
|
Depth below seafloor
|
L
|
m
|
|
ε
|
Axial strain
|
Dimensionless
|
—
|
|
εσa′
|
Axial strain at axial effective stress
|
Dimensionless
|
—
|
 |
Strain rate
|
1/T
|
1/s
|
|
θaw
|
Air-water contact angle
|
Dimensionless
|
—
|
|
θHg
|
Mercury-sediment contact angle
|
Dimensionless
|
—
|
|
µ
|
Viscosity
|
M/LT
|
Pa·s
|
|
ρ
|
Hydrometer reading
|
M/L3
|
kg/m3
|
|
ρf
|
Density of solution without sediment
|
M/L3
|
kg/m3
|
|
ρs
|
Specimen grain density
|
M/L3
|
kg/m3
|
|
σa’ (MPa)
|
Axial effective stress
|
M/LT2
|
Pa
|
|
σaw
|
Air-water interfacial tension
|
M/T2
|
N/m
|
|
σHg
|
Air-mercury interfacial tension
|
M/T2
|
N/m
|
|
σpc’ (MPa)
|
Maximum vertical effective stress
|
M/LT2
|
Pa
|
|
σv’ (MPa)
|
Vertical effective stress
|
M/LT2
|
Pa
|
|
σvh’ (MPa)
|
Vertical effective stress under hydrostatic conditions
|
M/LT2
|
Pa
|
|
ϕ0
|
Reference porosity
|
Dimensionless
|
—
|