Table 6.4 Layer Moduli Using FWD Prediction Equations


 Test Mile Post Predicted Moduli (ksi)
TestRoad No. (.) E E E E(d) E l EPt
Road No. (in.) E (a) E2() E (c) E (d) E (e) E


SR 26A
SR 26B
SR 26C
SR 26C
SR 24
US 301
US 441
I-10A
I-10B
I-10C
SR 15A
SR 15A
SR 15B
SR 715
SR 715
SR 12
SR 15C
SR 15C


11.912
11.205
10.168
10.166
11.112
21.580
1.236
14.062
2.703
32.071
6.546
6.549
4.811
4.722
4.720
1.485
0.055
0.065


8.0
8.0
6.5
6.5
2.5
4.5
3.0
8.0
7.0
5.5
8.5
8.5
7.0
4.5
4.5
1.5
6.75
6.75


1278.0
1118.5
1312.0
295.6
1451.0
508.7
200.0
 78.1
 216.3
 664.3
 75.0
 461.1
 192.9
 161.2
 405.1
2038.0
177.1
223.4


53.0
118.4
121.4
166.6
20.3
64.4
58.4
130.0
44.0
40.6
35.5
95.2
23.1
 9.4
 12.4
 9.7
 43.2
 31.7


27.0
50.6
 5.7
 7.6
 65.1
 11.0
 39.8
 16.0
 20.7
 29.4
 34.1
 39.2
 68.3
300.3
296.0
27.7
 5.8
 43.8


19.8
11.0
20.4
18.8
35.2
28.3
19.6
127.3
49.0
43.0
 7.5
 7.9
 10.3
 12.6
 12.0
 19.4
 10.5
 11.7


18.5
10.8
25.1
22.2
35.8
34.2
20.4
113.0
44.4
44.4
 7.5
 7.6
 10.1
 11.0
 10.5
 18.8
 9.9
 10.3


17.8
10.7
28.5
24.6
36.1
38.4
20.8
105.0
41.8
45.8
 7.4
 7.5
 9.9
 10.6
 9.7
 18.5
 9.5
 9.5


a) Equation 4.20 used to predict E1 except for SR 24 and SR 12 in which
 Equations 4.19 and 4.18, respectively, were used.

b) Equation 4.21 used to predict E2.
c) Equation 4.24 used to predict E3.
d), (e) and (f) Equations 4.25, 4.26 and 4.28, respectively, were used
 to predict E4.