Research on the mechanical, thermal, induction heating and healing properties of steel slag/steel fibers composite asphalt mixture

Quantao Liu, Bin Li, Erik Schlangen, Yihan Sun, Shaopeng Wu

Research output: Contribution to journalArticleScientificpeer-review

21 Citations (Scopus)
50 Downloads (Pure)

Abstract

In this paper, steel slag/steel fiber composite asphalt mixture were prepared. The effects of the addition of steel slag and/or steel fibers on the mechanical, thermal, induction heating and healing properties of asphalt mixture were investigated. The results showed that adding steel slag and/or steel fibers improves the water stability, particle loss resistance and fracture energy of asphalt mixtures. The addition of steel fibers increased the thermal conductivity and thermal diffusion of the asphalt mixture, and steel slag showed a reverse effect. Steel slag asphalt mixture cooled more slowly than steel fiber asphalt mixture, which is beneficial to crack healing of asphalt mixture. The composite of steel fibers and steel slag can enhance the induction heating speed, heating homogeneity and thus enhance the induction healing ratio of asphalt mixture. It is concluded that steel slag/steel fibers composite asphalt mixture achieves good mechanical and induction healing properties.

Original languageEnglish
Article number1088
Number of pages13
JournalApplied Sciences
Volume7
Issue number10
DOIs
Publication statusPublished - 20 Oct 2017

Keywords

  • Asphalt mixture
  • Healing
  • Induction heating
  • Steel fiber
  • Steel slag

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