Environmental Engineering Reference
In-Depth Information
100
Silt
Clay
Sand
80
60
40
20
0
0.0001
0.001
0.01
0.1
1
10
100
Particle size, mm
Fredlund unimodal
Experimental
USCS (Unified Soil Classification System)
(a)
6000
5000
4000
3000
Silt
2000
1000
Clay
Sand
0
0.0001
0.001
0.01
0.1
1
10
100
Particle size, mm
Particle-size arithmetic
USCS (Unified Soil Classification System)
(b)
100
Clay
Silt
Sand
80
60
40
20
0
0.0001
0.001
0.01
0.1
1
10
100
Particle size, mm
Particle-size log PDF
Fredlund unimodal
,
Experimental
USCS (Unified Soil Classification System)
(c)
Figure 2.6
Grain-size distribution data with unimodal fit for clayey silt (from M.D. Fredlund
et al., 2000a). (a) Best fit of grain-size distribution data for clayey silt. (b) Arithmetic probability
density function. (c) Logarithmic probability density function.
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