Environmental Engineering Reference
In-Depth Information
1.6
1.4
80% saturation
100% saturation
Hyperbolic fit
Experimental data
1.2
1.0
0.8
0.6
0.4
0.2
0
0
5
10
15
20
25
30
35
Gravimetric water content, %
Figure 2.21
Best fit of shrinkage curve data for London clay; fitting parameters:
a
sh
=
0
.
47,
b
sh
=
0
.
176,
c
sh
=
10
.
56 (data from Croney and Coleman, 1953).
0.6
0.5
b
sh
= 0.27
c
sh
= 3.8
0.4
0.3
0.2
0.1
0
0
10
20
30
40
50
60
70
80
Gravimetric water content, %
Figure 2.22
Effect of varying
a
sh
parameter on shrinkage curve equation (from M.D. Fredlund
et al., 2002a).
0.8
0.7
a
sh
= 0.1
c
sh
= 3.8
0.6
0.5
0.4
0.3
0.2
0.1
0
0
10
20
30
40
50
60
70
80
Gravimetric water content, %
Figure 2.23
Effect of varying
b
sh
parameter on shrinkage curve equation (from M.D. Fredlund
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