306
Table 7.3 Correlation of NDT Tuned Subbase Modulus (E3)
to Cone Resistance
Test
Road
Mile Post
Number
Average qc
(psi)
Tuned Eg
(psi)
E,
Dynaflect
FWD
Dynaflect
FWD
SR 26A
11.912
4532
70000
45000
15.45
9.93
SR 26B
11.205
4118
60000
45000
14.57
10.93
SR 26C
10.168
4350
35000
27500
8.05
6.32
SR 26C
10.166
4350
35000
22000
8.05
5.06
SR 24
11.112
6344
75000
40000
11.82
6.31
US 301
21.580
3154
75000
35000
23.78
11.10
US 441
1.236
4350
60000
35000
13.79
8.05
I-10A
14.062
5655
89400
80000
15.81
14.15
SR 15B
4.811
6090
75000
50000
12.32
8.21
SR 15A
6.549
*
40000
39500


SR 15A
6.546
*
65000
35000


SR 715
4.722
3843
50000
25000
13.01
10.28
SR 715
4.720
3843
45000
26000
11.71
6.77
SR 12
1.485
3915
75000
20000
19.16
5.11
SR 15C
0.055
2175
75000
12000
34.48
5.52
SR 15C
0.065
2175
75000
44000
34.48
20.23

Test not performed