2025•Proceedings of the International Conference on Concrete PavementsOpen access

Numerical Analysis of Concrete Overlays on Flexible Pavements

Fereidoon Moghadas Nejad, Sepehr Ghafari

Abstract

Due to the proven durability and long-term performance of Portland cement concrete (PCC) surfaces, rehabilitation of hot-mix asphalt (HMA) pavements with PCC overlays has been widely considered in the past 15 years (Cable 2005). In this study, a number of finite element models of conventional HMA pavements overlaid by a jointed plain concrete pavement (JPCP) were analyzed to measure and assess the effects of asphalt layer and concrete slab thickness variations, as well as changes in the asphalt layer and subgrade mechanical properties, on the service life of the overlaid pavement.

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Key concepts: Overlay, Geotechnical engineering, Structural engineering, Computer science, Geology, Engineering, Programming language