Civil Engineering Reference
In-Depth Information
From Eq. (15.25), taking
H
=
10mm for two-way drainage, the time when the
settlement is 0.25 mm is
T
v
H
2
c
v
10
−
3
)
2
0.05
×
(10
×
t
=
=
×
60
×
24
×
365
=
1.3min
2
(b) After 3 min the time factor and degree of consolidation are
c
v
t
H
2
2
×
3
T
v
=
=
365
=
0.11
10
−
3
)
2
(10
×
×
60
×
24
×
×
√
0
.11
√
3
√
3
T
v
2
2
U
t
=
=
=
0.39
and the settlement is
ρ
t
=
ρ
∞
U
t
=
1.0
×
0.39
=
0.39mm
References
Atkinson, J. H. and L. R. Davison (1990) 'Continuous loading oedometer tests',
Q. J. Engng
Geol.
,
23
, 347-355.
Taylor, D. W. (1948)
Fundamentals of Soil Mechanics
, Wiley, New York.
