1000
WESDEF
OCA
800
CWA
1.3034
y = 116238x
R 2 = 0.70
600
y = 43006x 0.9954
400
R 2 = 0.59
200
0
200
400
600
800
2)
Total Basin Area (mm
b. Calculated using WESDEF.
1000
WESDEF
1.796
y = 10773x
800
OCA
CWA
R 2 = 0.91
600
400
200
0
200
400
600
800
2)
Total Basin Area (mm
c. Calculated using WESDEF with a single power trend.
Figure 25 (cont'd).
1200
CWA
OCA
y = 741480x1.6662
800
R2 = 0.86
400
0
200
400
600
800
Total Basin Area (mm2)
Figure 26. Relationship between total basin area and coefficient of subgrade
reaction calculated using ILLIBACK at Outagamie County Airport and Cen-
tral Wisconsin Airport.
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