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Table 6 Impact of terminal PSI value on stage design strength ratio

From: Investigating the accelerated deterioration of flexible pavement using two-stage design analysis approach

W(T) = 5.0 × 106

W(T) = 50.0 × 106

Terminal PSI

SN(20)

SN(10)

DS(10)

Terminal PSI

SN(20)

SN(10)

DS(10)

4.0

6.00

5.11

14.83

4.0

8.26

7.33

11.26

3.5

4.71

3.96

15.92

3.5

6.65

5.86

11.88

3.0

4.17

3.58

14.15

3.0

5.87

5.16

12.10

2.5 a

3.89

3.39

12.85

2.5a

5.39

4.76

11.69

2.0 a

3.72

3.27

12.04

2.0a

5.07

4.50

11.23

1.5

3.61

3.19

11.63

1.5

4.84

4.31

10.95

  1. a AASHTO recommended design values for major and minor roads, respectively.