SYMBOLS
Symbol
Designation
A
Cross-sectional area.
A+c,
Activity of fine-grained soil.
a+v,
Coefficient of compressibility.
B,b
Width in general; or narrow dimension
of a foundation unit.
CBR
California Bearing Ratio.
C+c,
Compression index for virgin
consolidation.
CD
Consolidated-drained shear test.
C+r,
Recompression index in
reconsolidation.
C+s,
Swelling index.
CU
Consolidated-undrained shear test.
C+u,
Coefficient of uniformity of grain
size curve.
C+z,
Coefficient of curvation of gradation
curve.
C+[alpha],
Coefficient of secondary compression.
c
Cohesion intercept for Mohr's envelop
of shear strength based on total
stresses.
c'
Cohesion intercept for Mohr's envelope
of shear strength based on effective
stresses.
c+h,
Horizontal coefficient of
consolidation.
c+v,
Vertical coefficient of consolidation.
D,d
Depth, diameter, or distance.
D+r,
Relative density.
D+10,
Effective grain size of soil sample;
10% by dry weight of sample is
smaller than this grain size.
D+5,, D+60,
Grain size division of a soil sample,
D+85,
percent of dry weight smaller than
this grain size is indicated by
subscript.
E
Modulus of elasticity of structural
material.
E+s,
Modulus of elasticity or "modulus of
deformation" of soil.
e
Void ratio.
e+f,
Final void ratio reached in loading
phase of consolidation test.
e+o,
Initial void ratio in consolidation
test generally equal to natural void
in situ.
e+r,
Void ratio existing at the start of
rebound in a consolidation test.
F
Shape factor describing the
characteristics of the flow
field in underseepage analysis.
F+s,
Safety factor in stability or shear
strength analysis.
G
Specific gravity of solid particles in
soil sample, or shear modulus of
soil.
H,h
In general, height or thickness. For
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