If the soil type "US" is used, the user is then directed, in a step-by-step manner, to enter
their values for the soil parameters. If any of the parameters are unknown, FASST reverts
to the default values listed in Tables 9.2.1 and 9.2.2 as stated above.
Table 9.2.1 FASST Default Soil Properties
Bulk
Organic
Dry
Specific
Quartz
Fraction
Heat3
1
1
Content2
Density
Albedo
Soil
Fine/
Porosity
θof
Cs (J/kg⋅K)
ε
α
Coarse*
γd (g/cm3)
Type
n
q
1.955
0.2965
GW
0.92
0.40
0.65
0.00
1
820.0
2.165
0.2035
GP
0.92
0.40
0.65
0.00
1
820.0
1.915
0.3245
GM
0.95
0.40
0.65
0.00
1
820.0
1.875
0.344
GC
0.92
0.40
0.65
0.00
1
820.0
1.8765
0.3205
SW
0.92
0.40
0.80
0.00
1
830.0
1.5945
0.4155
816.47
SP
0.92
0.35
0.80
0.00
1
1.4745
0.5265
SM
0.92
0.35
0.80
0.05
1
850.6
1.885
0.4005
SC
0.92
0.35
0.80
0.05
1
830.0
1.4575
0.4645
845.77
ML
0.94
0.40
0.35
0.10
2
1.5895
0.4225
854.17
CL
0.97
0.23
0.05
0.10
2
1.1655
0.5335
837.47
OL
0.955
0.265
0.20
0.25
2
1.5175
0.4575
845.77
CH
0.98
0.30
0.05
0.10
2
1.0601
0.5471
MH
0.94
0.30
0.35
0.10
2
830.0
0.8411
0.8924
866.77
OH
0.955
0.265
0.20
0.25
2
PT
0.25
0.70
0.92
0.40
0.05
0.50
2
830.0
SMSC
1.601
0.3961
(MC)
0.92
0.40
0.80
0.05
1
830.0
CLML
1.6175
0.3975
(CM)
0.96
0.30
0.20
0.10
2
830.0
1.8765
0.3205
EV
0.92
0.40
0.80
0.00
1
830.0
0.906
0.406
CO
2.185
0.020
0.00
850.0
0.946
0.1256
AS
2.500
0.020
0.00
880.0
RO
2.700
0.020
0.89
0.40
0.00
800.0
SN
0.920
0.020
0.90
0.70
0.00
*
1 = coarse, 2 = fine
1
Sullivan et al. (1997), p. 28, 38, and 51
2
Tarnawski et al. (1997), p. 96
3
Farouki (1981), p. 136
4
Yu et al. (1993)
5
Guymon, G.L. et al. (1993), p. 21, 25
6
Balick, L.K. et al. (1981), Table B1
7
Peck, L. (2002), Table 21
77
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