Asphalt Concrete Overlay Optimization Based on Pavement Performance Models

Table 8

Calculation of optimization index.

Scenario	Sum of all life cycle costs	Extension of the life cycle	Optimization index
No rehabilitation	846,938	0	0
Rehabilitation in year 5	927,150	25	37,086
Rehabilitation in year 10	1,041,138	30	34,705
Rehabilitation in year 15	1,281,434	35	36,612
Rehabilitation in year 20	1,717,579	40	42,939