173
Table 6.3 Layer Moduli Using Dynaflect Prediction Equations
Test
Road
Mile Post
No.
S
(in.)
Predicted Moduli (ksi)
E (a)
l
e2
E (b)
3
E (c)
4
E (d)
4
E (e)
4
SR 26A
11.912
8.0
272.5
105.0
67.7
13.7
14.6
13.8
SR 26B
11.205
8.0
580.6
90.0
42.9
7.7
8.5
7.9
SR 26C
10.168
6.5
250.5
55.0
42.9
34.3
34.9
33.8
SR 26C
10.166
6.5
250.5
55.0
42.9
32.2
32.9
31.8
SR 24
11.112
2.5
*
*
47.3
36.7
37.2
36.0
US 301
21.580
4.5
454.2
120.0
72.8
36.7
37.2
36.0
US 301
21.585
4.5
164.7
120.0
67.7
39.4
39.7
38.6
US 301
21.593
4.5
*
130.0
72.8
39.4
39.7
38.6
US 441
1.236
3.0
*
85.0
55.8
24.7
25.6
24.5
US 441
1.241
3.0
221.1
120.0
63.2
27.3
28.1
27.0
I-10A
14.062
8.0
1503.6
95.0
93.6
113.7
108.4
108.0
I-10B
2.703
7.0
740.0
80.0
72.8
62.1
61.1
60.0
I-10C
32.071
5.5
99.8
105.0
78.7
36.7
37.2
36.0
SR 15A
6.549
8.5
1474.0
120.0
93.6
5.0
5.6
5.2
SR 15B
4.811
7.0
452.8
120.0
93.6
8.0
8.8
8.2
SR 715
4.722
4.5
276.2
75.0
49.9
6.5
7.2
6.7
SR 715
4.720
4.5
533.3
65.0
63.2
5.7
6.4
5.9
SR 12
1.485
1.5
400.0
122.9
45.0
25.9
26.8
25.7
SR 80
Sec.l
1.5
100.0
132.4
23.5
6.1
6.9
6.4
SR 80
Sec. 2
1.5
100.0
72.3
16.2
7.1
7.8
7.3
SR 15C
0.055
6.75
72.4
105.0
41.0
5.3
6.0
5.5
SR 15C
0.065
6.75
165.8
105.0
85.5
5.3
6.0
5.5
a) Actual or calculated modulus
b) E3 calculated from Equation 4.15
c) Equation 4.16 used to predict E4
d) Equation 4.17 used to predict E4
e) Equation 4.35 used to predict E4
* Prediction equations could not be used due to negative values
of D, D,