Variable

Definition

Dimension

Unit

A_{MB}

Mineral surface area covered by one molecule of methylene blue

L^{2}

m^{2}

A_{v}

Avogadro’s number

Dimensionless

—

C_{c}

Compression index

Dimensionless

—

c_{v}

Coefficient of consolidation

L^{2}/T

m^{2}/s

D

Particle diameter

L

m

D_{25}

Particle diameter at which 25% are smaller by mass

L

µm

D_{50}

Median particle diameter

L

µm

D_{75}

Particle diameter at which 75% are smaller by mass

L

µm

e

Void ratio

Dimensionless

—

e_{0}

Reference void ratio

Dimensionless

—

e_{σa′}

Void ratio at axial effective stress

Dimensionless

—

g

Acceleration due to gravity

L/T^{2}

m/s^{2}

H

Instantaneous sample height

L

m

H_{0}

Initial sample height

L

m

k

Permeability

L^{2}

m^{2}

k_{0}

Permeability at reference void ratio

L2

m^{2}

L

Effective depth from solution surface to center of hydrometer bulb

L

m

M_{m}

Molar mass of methylene blue

M

g/mol

m_{p}

Mass fraction of particles remaining in suspension

Dimensionless

—

m_{s}

Dry mass of specimen

M

kg

m_{v}

Coefficient of volume compressibility

LT^{2}/M

1/Pa

N

Number of methylene blue increments

Dimensionless

—

OCR

Overconsolidation ratio

Dimensionless

—

P_{c}

Airwater capillary pressure

M/LT^{2}

Pa

P_{Hg}

Mercury injection pressure

M/LT^{2}

Pa

r_{50}

Median pore radius

L

µm

r_{p}

Pore radius

L

m

S_{a}

Specific surface

L^{2}/M

m^{2}/g

t

Time

T

s

V

Volume of solution

L^{3}

m^{3}

Δ_{u}

Base excess pressure

M/LT^{2}

Pa

ΔW

Work per unit volume

M/LT^{2}

J/m^{3}

z

Depth below seafloor

L

m

ε

Axial strain

Dimensionless

—

ε_{σa′}

Axial strain at axial effective stress

Dimensionless

—


Strain rate

1/T

1/s

θ_{aw}

Airwater contact angle

Dimensionless

—

θ_{Hg}

Mercurysediment contact angle

Dimensionless

—

µ

Viscosity

M/LT

Pa·s

ρ

Hydrometer reading

M/L^{3}

kg/m^{3}

ρ_{f}

Density of solution without sediment

M/L^{3}

kg/m^{3}

ρ_{s}

Specimen grain density

M/L^{3}

kg/m^{3}

σ_{a}’ (MPa)

Axial effective stress

M/LT^{2}

Pa

σ_{aw}

Airwater interfacial tension

M/T^{2}

N/m

σ_{Hg}

Airmercury interfacial tension

M/T^{2}

N/m

σ_{pc}’ (MPa)

Maximum vertical effective stress

M/LT^{2}

Pa

σ_{v}’ (MPa)

Vertical effective stress

M/LT^{2}

Pa

σ_{vh}’ (MPa)

Vertical effective stress under hydrostatic conditions

M/LT^{2}

Pa

ϕ_{0}

Reference porosity

Dimensionless

—
