310
Table 7.7
Correlation
Dilatometer
of NDT Tuned Subgrade
Modulus
Modulus to
Test
Mile Post
Average Eq*
Tuned E,
r 4
(psi)
E4
./Ed
Road
Number
(psi)
Dynaflect
FWD
Dynaflect
FWD
SR 26A
11.912
8990
14600
18700
1.62
2.08
SR 26B
11.205
11528
7900
11000
0.69
0.95
SR 26C
10.168
9933
28500
25500
2.87
2.57
SR 26C
10.166
9933
28500
20000
2.87
2.01
SR 24
11.112
**
38600
38600


US 301
21.580
9752
38600
25000
3.96
2.56
US 441
1.236
7975
27500
20000
3.45
2.51
I-10A
14.062

105000
130000


SR 15B
4.811
11165
8100
10200
0.73
0.91
SR 15A
6.549
5365
4800
7500
0.89
1.40
SR 15A
6.546
5365
5000
7000
0.93
1.30
SR 715
4.722
7250
6000
11000
0.83
1.52
SR 715
4.720
7250
5500
10500
0.76
1.45
SR 12
1.485
7323
26500
18500
3.62
2.53
SR 15C
0.055
7250
5500
9800
0.76
1.35
SR 15C
0.065
7250
5500
10000
0.76
1.38
* Average Eq within the depth of the difference of 1 m (EPT) and the
overlying pavement.
** Test not performed