131
Table 4.10 Pavements with Ex Predictions Having 15 Percent or More
Error (Equation 4.20Case 3)
No.
Layer Modul i
E! E2
(ksi)
E3
E4
*1
(in.)
Predicted
E.
(ksi)
Percent
Difference
1
1200
42.5
30
5
4.5
951.7
-20.7
2
1200
42.5
30
10
4.5
976.8
-18.6
3
1200
42.5
30
20
4.5
1013.2
-15.6
4
1200
42.5
60
5
4.5
960.3
-20.0
5
1200
42.5
60
10
4.5
977
-18.6
6
1200
42.5
60
20
4.5
996.8
-16.9
7
1200
85.
30
5
4.5
966.1
-19.5
8
1200
85.
30
10
4.5
995.4
-17.0
9
1200
85.
30
40
4.5
976.1
-18.7
10
1200
85.
60
5
4.5
985.4
-17.9
11
150
42.5
30
20
6.0
174.3
16.2
12
300
42.5
30
20
6.0
349.5
16.5
13
150
42.5
30
40
6.0
175.5
17
14
300
42.5
30
40
6.0
351.5
17.0
15
300
42.5
60
10
6.0
346.7
15.6
16
300
42.5
60
40
6.0
347.8
15.9