Symbol
|
Description
|
Unit (Metric)
|
Unit (Imperial)
|
Format
|
Cc_
|
Coefficient of Curvature (Sieve Test)
|
|
|
N2
|
Cu_
|
Uniformity Coefficient (Sieve Test)
|
|
|
N2
|
Cc
|
Consolidation Compression Index
|
|
|
N3
|
Cs
|
Consolidation Recompression Index
|
|
|
N3
|
Cv
|
Coefficient of Consolidation
|
m2/sec
|
ft2/sec
|
E3
|
Su
|
Undrained Shear Strength
|
kPa
|
psf
|
N1
|
Dr
|
Relative Density
|
%
|
%
|
N1
|
Es
|
Modulus of Elasticity of Soil
|
kPa
|
psf
|
N1
|
Er
|
Resilient Modulus of Soil
|
MPa
|
ksf
|
N1
|
Ed
|
Modulus of Deformation of Rock
|
GPa
|
1000ksf
|
N1
|
Phi
|
Friction Angle
|
deg
|
deg
|
N1
|
Ks
|
Modulus of Subgrade Reaction
|
kN/m3
|
pcf
|
N1
|
Vs
|
Shear Wave Velocity
|
m/s
|
ft/s
|
N1
|
Gmax
|
Shear Modulus
|
kPa
|
psf
|
N1
|
mv
|
Constraint Modulus
|
1/kPa
|
1/psf
|
E3
|
LL
|
Liquid Limit
|
%
|
%
|
N1
|
PL
|
Plastic Limit
|
%
|
%
|
N1
|
IP
|
Plastic Index
|
%
|
%
|
N1
|
LI
|
Liquid Index
|
%
|
%
|
N1
|
w
|
Moisture Content
|
%
|
%
|
N1
|
mu
|
Poisson Ratio
|
|
|
N2
|
e
|
Void Ratio
|
|
|
N2
|
Gs
|
Specific Gravity
|
|
|
N2
|
gsat
|
Saturated Unit Weight
|
kN/m3
|
pcf
|
N2
|
gdry
|
Dry Unit Weight
|
kN/m3
|
pcf
|
N2
|
gwet
|
Wet Unit Weight
|
kN/m3
|
pcf
|
N2
|
F
|
Percent fine-grained (clay & silt)
|
%
|
%
|
N1
|
Fc
|
Percent clay
|
%
|
%
|
N1
|
OCR
|
Over-consolidation Ratio
|
|
|
N2
|
Svt
|
Total Overburden Stress
|
kPa
|
psf
|
N2
|
Sve
|
Effective Overburden Stress
|
kPa
|
psf
|
N2
|
K
|
Coefficient of Permeability
|
cm/sec
|
in/sec
|
E3
|
D10
|
Effective Particle Diameter
|
mm
|
mm
|
N3
|
D30
|
30% Passing Diameter
|
mm
|
mm
|
N3
|
D50
|
Mean Particle Diameter
|
mm
|
mm
|
N3
|
D60
|
60% Passing Diameter
|
mm
|
mm
|
N3
|
CBRs
|
Subgrade CBR
|
%
|
%
|
N2
|
CBRb
|
Base Course CBR
|
%
|
%
|
N2
|
Pc
|
Preconsolidation Stress
|
kPa
|
psf
|
N2
|
S
|
Degree of Saturation
|
%
|
%
|
N1
|
n
|
Porosity
|
|
|
N2
|
Mv
|
Coefficient of Compressibility
|
|
|
E3
|
Ka
|
Coeff. of Active Earth Pressure
|
|
|
N3
|
Kp
|
Coeff. of Passive Earth Pressure
|
|
|
N3
|
Ko
|
Coeff. of At-rest Earth Pressure
|
|
|
N3
|
KD
|
Dilatometer Parameter
|
|
|
N2
|
RMR
|
Rock Mass Rating
|
%
|
%
|
N1
|
Tv
|
Time Factor-Consolidation
|
|
|
N3
|
Hdr
|
Drainage Thickness of the Layer-Consolidation
|
m
|
ft
|
N2
|
t
|
Time
|
sec
|
sec
|
N1
|
U
|
Degree of Saturation
|
%
|
%
|
N1
|
Ac
|
Clay Activity
|
|
|
N1
|
Sp
|
Swelling Potential
|
|
|
N1
|
