500
Outagamie County Airport
No Fix
27,580 MPA
400
34,475 MPa
41,370 MPa
ILLIBACK
300
200
100
0
14 Mar
19
24
29
3 Apr
8
13
18
23
28
a. FWD location 3.
400
Outagamie County Airport
27,580 MPa
34,475 MPa
41,370 MPa
300
ILLIBACK
200
100
0
14 Mar
19
24
29
3 Apr
8
13
18
23
28
b. FWD location 9.
Outagamie County Airport
400
No Fix
27,580 MPA
34,475 MPa
41,370 MPa
300
ILLIBACK
200
100
0
14 Mar
19
24
29
3 Apr
8
13
18
23
28
c. FWD location 22.
Figure 16. Effect of PCC modulus on change in subgrade modulus from
WESDEF during spring thaw at Outagamie County Airport. Comparison
of subgrade modulus from ILLIBACK and WESDEF.
16