Research Article

Asphalt Concrete Overlay Optimization Based on Pavement Performance Models

Table 7

Life cycle cost analysis and cost benefit analysis.

VariantVariant scenarioRehabilitation 5th yearRehabilitation 10th yearRehabilitation 15th yearRehabilitation 20th year

Rehabilitation actionOverlay
36 mm
Overlay
52 mm
Overlay
62 mm
Overlay
71 mm

Investment cost0€69,084€99,788€118,978€136,249€

Maintenance cost846,938€858,066€941,350€1,162,456€1,581,330€

Road agency cost846,938€927,150€1,041,138€1,281,434€1,717,579€

Road user costs
 Vehicle operating cost8,316,431€9,995,382€11,689,165€13,594,956€16,045,362€
 Travel time cost822,241€973,891€1,125,826€1,290,801€1,569,194€
 Total road user cost9,138,673€10,969,273€12,814,991€14,885,757€17,614,555€

Life cycle length2025303540

CBA
 NPV20,333€26,739€14,527€1,438€
 IRR48.30%155.10%139.40%99.50%
 PP6111520