A comprehensive life cycle costs analysis of in-place recycling and conventional pavement construction and maintenance practices

João Santos, James Bryce, Gerardo Flintsch, Adelino Ferreira*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

16 Citations (Scopus)

Abstract

Recent studies based on Life Cycle Assessment (LCA) have highlighted the potential of in-place recycling techniques to enhance the sustainability of agency pavement management decisions for asphalt pavements. However, a solution which an LCA finds environmentally advantageous might not be preferred over another which is technically equivalent, if it is not economically competitive. In this context, it is necessary to evaluate the economic costs of such alternatives taking into account the perspective of the main stakeholders who interact with a pavement system throughout its life cycle. This paper presents a comprehensive pavement life cycle costs (LCC) model that accounts for the different categories of costs incurred by highway agencies and road users in every phase of the pavement life cycle. The results of the application of the pavement LCC model to a specific highway rehabilitation project in the state of Virginia showed that in-place recycling practices are beneficial for both highway agencies and road users.

Original languageEnglish
Pages (from-to)727-743
Number of pages17
JournalInternational journal of pavement engineering
Volume18
Issue number8
DOIs
Publication statusPublished - 3 Aug 2017
Externally publishedYes

Keywords

  • highway agency costs
  • in-place recycling
  • Life cycle costs analysis
  • pavement construction and management
  • road user costs

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