Engineering and environmental characterization of municipal solid waste bottom ash applied to asphalt concrete

J. S. Chen, P. H. Kuo, L. S. Huang

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Municipal solid waste (MSW) bottom ash has the potential for a substitute as aggregate for road construction. This study was to estimate the performance of asphalt mixtures with MSW bottom ash. Test results indicated that the rutting resistance of asphalt mixtures with MSW bottom ash below 10% were similar to that of convention ones. The indirect tensile strength of asphalt mixtures was decrease with the increase in substitution percentage of MSW bottom ash. After being mixed with asphalt, the leachates of MSW bottom ash were significantly reduced. It is recommended that the amount of MSW bottom ash used in asphalt mixtures be limited to be 20% bottom ash by total weight of the mix when applied to the base course. The use of MSW bottom ash should be less than 10% in a surface mix to ensure pavement performance.

Original languageEnglish
Pages (from-to)25-32
Number of pages8
JournalJournal of the Chinese Institute of Civil and Hydraulic Engineering
Volume24
Issue number1
Publication statusPublished - 2012 Mar 1

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Ashes
Asphalt concrete
Municipal solid waste
Asphalt mixtures
Road construction
Asphalt
Pavements

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering

Cite this

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abstract = "Municipal solid waste (MSW) bottom ash has the potential for a substitute as aggregate for road construction. This study was to estimate the performance of asphalt mixtures with MSW bottom ash. Test results indicated that the rutting resistance of asphalt mixtures with MSW bottom ash below 10{\%} were similar to that of convention ones. The indirect tensile strength of asphalt mixtures was decrease with the increase in substitution percentage of MSW bottom ash. After being mixed with asphalt, the leachates of MSW bottom ash were significantly reduced. It is recommended that the amount of MSW bottom ash used in asphalt mixtures be limited to be 20{\%} bottom ash by total weight of the mix when applied to the base course. The use of MSW bottom ash should be less than 10{\%} in a surface mix to ensure pavement performance.",
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