Abstract
Flexible pavement is the most widely used type of road pavement in Indonesia. The main factors in the selection of flexible pavements are the low initial cost and the limited budget for road maintenance. This study aims to examine the level of comparison of road treatment costs based on life-cycle cost analysis (LCCA) rigid and flexible pavement for 40-years analysis period. The road treatment simulation uses road deterioration models based on the equation in the second version of the HDM-4 manual with the International Roughness Index (IRI) and the treatment period as the main variable. Based on the LCCA, The NPV analysis showed that the rigid pavement treatment cost ratio is 0.818 or more economical 18.20% at a 10% discount rate and 0.915 or more economical 8.48% at a 12% discount rate than the flexible pavement. Meanwhile, the EUAC analysis result showed that the rigid pavement treatment cost ratio is 0.847 or more economical 15.31% at a 10% discount rate and 0.862 or more economical 13.79% at a 12% discount rate compared to flexible pavement. The results showed that the rigid pavement treatment cost was more efficient 8.48% - 18.20% compared to flexible pavement.
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