Table 7.3 Correlation of NDT Tuned Subbase Modulus (E )
 to Cone Resistance


Test Mile Post Average qc Tuned E (psi) E /q
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


4532

4118

4350

4350

6344

3154

4350

5655

6090

---*


3843

3843

3915

2175

2175


70000

60000

35000

35000

75000

75000

60000

89400

75000

40000

65000

50000

45000

75000

75000

75000


45000

45000

27500

22000

40000

35000

35000

80000

50000

39500

35000

25000

26000

20000

12000

44000


15.45

14.57

8.05

8.05

11.82

23.78

13.79

15.81

12.32





13.01

11.71.

19.16

34.48

34.48


9.93

10.93

6.32

5.06

6.31

11.10

8.05

14.15

8.21





10.28

6.77

5.11

5.52

20.23


* Test not performed