Civil Engineering Reference
In-Depth Information
7.23
Settlement Calculations Using the Tokimatsu and Seed (1987) Method and the Chart Shown in Fig. 7.7
Multi-
Layer
G
max
v
directional
Layer
thickness,
v
0
v
,
[Eq. (7.5)],
eff
(
G
eff
/
G
max
)
eff
%
cyc
(Fig. 7.9),
shear
Multiply
Settlement,
in.
(12)
lb/ft
2
kip/ft
2
number
ft
(
N
1
)
60
[Eq. (7.4)]
(Fig. 7.8)
100
eff
percent
2
v
by VSR
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
1.1
10
4
3.0
10
4
3.0
10
2
1
5
238
5
613
0.045
0.09
0.07
0.04
1.9
10
4
5.5
10
4
5.5
10
2
2
5
713
5
1060
0.08
0.16
0.13
0.08
2.6
10
4
8.5
10
4
8.5
10
2
3
10
1425
5
1500
0.13
0.26
0.21
0.25
3.3
10
4
1.0
10
3
1.0
10
1
4
10
2375
5
1940
0.16
0.32
0.26
0.31
3.7
10
4
9.5
10
4
9.5
10
2
5
10
3325
5
2290
0.15
0.30
0.24
0.29
4.0
10
4
9.5
10
4
9.5
10
2
6
10
4275
5
2600
0.15
0.30
0.24
0.29
Total
1.3 in.
Using Fig. 7.7, with
a
p
/
g
0.45 and
N
15,
v
0.15 percent. Therefore, settlement
(0.15
100)(50 ft)(12 in.)
0.9 in. (2 cm)
