Correlation of NOT Tuned
Dilatometer Modulus


Subgrade Modulus to


Test Mile Post Average ED* Tuned E (psi) E /ED
Road Number (psi) Dynaflect FWD Dynaflect FWD


SR 26A

SR 26B

SR 26C

SR 26C

SR 24

US 301

US 441

I-10A

SR 15B

SR 15A

SR 15A

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

4.811

6.549

6.546

4.722

4.720

 1.485

 0.055

 0.065


8990

11528

9933

9933
 ---**

 9752

 7975



 11165

 5365

 5365

 7250

 7250

 7323

 7250

 7250


14600

 7900

 28500

 28500

 38600

 38600

 27500

105000

 8100

 4800

 5000

 6000

 5500

 26500

 5500

 5500


18700

11000

25500

20000

38600

25000

20000

130000

10200

 7500

 7000

 11000

 10500

 18500

 9800

 10000


1.62

0.69

2.87

2.87
m---

3.96

3.45



0.73

0.89

0.93

0.83

0.76

3.62

0.76

0.76


* Average ED within the depth of the difference of 1 m (EPT)
 overlying pavement.

** Test not performed


2.08

0.95

2.57

2.01



2.56

2.51



0.91

1.40

1.30

1.52

1.45

2.53

1.35

1.38


and the


Table 7.7