180
I. K. Umar et al.
Table 17.2
Visual PROMETHEE for selection of best pavement design method
Design method
Total thickness
(mm)
Design life
(years)
Minimum subbase
CBR (%)
Minimum base
CBR (%)
Recommended
for traffic
Pavement
performance
Environmental
consideration
Preference
Min/Max
Min
Max
Max
Max
Max
Max
Max
Weight
0.92
0.25
0.50
0.92
0.50
0.75
0.92
Asphalt Institute
500
20
20
80
High
Yes
Yes
AASHTO
560
20
30
80
High
Yes
Yes
CBR
300
10
25
80
Low
No
No
Group index
400
10
30
80
Low
No
No
Hveem
860
20
30
80
Medium
Yes
No
Road note 29
400
20
30
100
Medium
No
No
HD 26/01
760
40
30
100
High
No
Yes