Civil Engineering Reference
In-Depth Information
Fig. 12.8
Example
12.1.
12 168 11 800
2
.
+
.
=
=
11 984
.
mm
11 984
2
.
⇒ =
H
=
5 992
.
mm
0 85 5 992
42 7
.
×
.
2
c
v
=
=
0 715
.
mm /min
2
.
Drainage path length of layer
=
10 m
=
10 000 mm
0 48 10 000
0 715
.
×
2
1
60
1
24
1
365
Time to reach
75
%
consolidation
=
× ×
.
=
128 years
(iii)
de
dp
0 94 0 82
100
.
−
.
a
0 0012
.
=
=
=
0 94
.
+
0 82
.
e
=
=
0 88
.
2
a
0 0012
1 88
.
2
Average m
v
=
=
=
0 000 638
.
m /kN
1
+
e
.
0 715 9 81 0 000 638
1000
.
×
.
×
.
4 48 10
6
−
k
=
c m
γ
=
=
.
×
mm/min
v w
v
