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

Integrated Publishing, Inc. |