• DOI:10.1080/10298436.2010.488729
Corpus ID: 138499155

X-ray fluorescence detection of waste engine oil residue in asphalt and its effect on cracking in service

@article{Hesp2010XrayFD,
  title={X-ray fluorescence detection of waste engine oil residue in asphalt and its effect on cracking in service},
  author={S. Hesp and H. F. Shurvell},
  journal={International Journal of Pavement Engineering},
  year={2010},
  volume={11},
  pages={541 - 553}
}

S. Hesp, H. F. Shurvell

Published 2010

Materials Science

International Journal of Pavement Engineering

This paper documents the discovery of waste engine oil residues in pavements across Ontario, Canada. We have found that recovered asphalts from a large majority of poorly performing contracts test positive for zinc through X-ray fluorescence (XRF) analysis. In contrast, neither the aggregates nor any of the well-performing asphalts showed any signs of the metal. Since zinc dialkyldithiophosphates are universal additives in engine oils, we inferred that the use of waste oil residues in asphalt… CONTINUE READING

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