TM 5-852-4/AFM 88-19, Chap. 4
Table 4-5. Constants for Equation 4 (by CRREL and ref 107)
All constants are dimensionless except that the units of w for the equation to be dimensionally correct are:
λ o k
[psi(hr) ]/ F .
λ
ω
k
Frozen Soil
m
Saturated Ottawa sand*
0.78
0.35
5500
0.97
(20-30 mesh)
Manchester fine sand*
0.38
0.24
285
0.97
(saturated uniform fine
sand, 40-200 mesh)
Suffield clay*
0.42
0.14
93
1.0
(saturated clay*, CL,
LL 35, PL 20, no visible
ice lenses, w < 40%)
Hanover silt*
0.49
0.074
570
0.76
(saturated silt, ML,
non-plastic, no visible
ice lenses, w < 35%)
Callovian sandy loam**
0.27
0.10
90
0.89
(sandy silt, ML)
Bat-baioss clay**
0.4
0.18
130
0.97
*Data from laboratory tests, CRREL.
107
**Data from Vialov et al. (1962), Ch. V.
U. S. Army Corps of Engineers
4-82
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