Recycling toward sustainable pavement development: End-of-life considerations in asphalt pavement

Date
2016-01-01
Authors
Babashamsi, Peyman
Yusoff, Nur Izzi Md
Ceylan, Halil
Nor, Nor Ghani Md
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Abstract

As quality aggregate sources are depleted, there is a growing importance given to incorporating recycled co-products and waste materials (RCWMs) in new and rehabilitated pavements. An ideal goal would be using recycled materials to create long-lived, well-performing pavement and then being able to use those materials again at the end of their life to create new pavement, thereby effectively achieving a zerowaste highway construction stream. This would not only produce distinct cost advantages, but it would also significantly reduce energy consumption and greenhouse gas (GHG) emissions and eliminate the need for landfill disposal. Drawing from ISO standards and practices, this article reviews the recycling methods and definitions associated with the End-of-Life (EOL) phase and present various EOL considerations for asphalt pavements and the associated challenges to quantify EOL contribution in the pavement life cycle.

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This article is published as Babashamsi, Peyman, Nur Izzi Md Yusoff, Halil Ceylan, and Nor Ghani Md Nor. "Recycling toward sustainable pavement development: End-of-life considerations in asphalt pavement." Jurnal Teknologi 78, no. 7-2 (2016): 25-32. doi:10.11113/jt.v78.9470. Posted with permission.

Keywords
CNDE, End- of- life (EOL) module, sustainable development, recycled co-product and waste material (RCWM), central plant recycling (CPR), full-depth reclamation (FDR)
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