[W-DELTA]p.
[delta], [delta]+v,, [delta]+c,
conditions.
[phi]
obtained from Mohr's failure
envelope for shear strength.
[sigma]*
Total major principal stress.
[sigma]+3,
Total minor principal stress
)
[sigma]*.
Effective major principal stress
)
[sigma]+3,
Effective minor principal stress.
[sigma]+x,, [sigma]+y,, [sigma]+z, Normal stresses in coordinate
directions.
[tau]
Intensity of shear stress.
[tau]+MAX,
Intensity of maximum shear stress.
[upsilon]
Poisson's Ratio
7.1-S-3