Wet Conditions In wet conditions, the level of the water table enters into the calcula-
tion. As you may recall, total stress = effective stress + pore-water
pressure. Also, the saturated soil below the water table has a differ-
ent density than the dry soil above the water table.
On the active side, we have:
s
s
HaV
K
u
=
'+
=
-+
K
uu
aV
(
)
s
=
+
-
+
Kh
h
h
u
ad
s
w
(
)
1
2
2
.
.
.
On the passive side, we have:
s
s
HpV
K
u
=
'+
=
-+
K
uu
pV
(
)
s
=
-
+
Kh
h
u
ps
w
(
)
3
3
.
.
Basic Soil Mechanics
RETW-p5.cdr
h
2
h
3
s
.
s
.
h
1
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