International Journal of Highway Engineering (한국도로학회논문집)

Korean Society of Road Engineers (한국도로학회)
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Evaluating Rutting Performance of High-Durability Asphalt Concrete Mixtures and Epoxy Used for Installation of High-Speed Weigh-In-Motion System

고속축중기 시스템의 도입을 위한 고기능 아스팔트 혼합물 및 에폭시의 내구성 평가

  • 권홍준 (한국도로공사 도로교통연구원) ;
  • 이종섭 (한국도로공사 도로교통연구원) ;
  • 권오선 (한국도로공사 도로교통연구원) ;
  • 권순민 (한국도로공사 도로교통연구원)
  • Received : 2018.05.28
  • Accepted : 2018.07.27
  • Published : 2018.08.16
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Abstract

PURPOSES : In order to apply high-speed weigh-in-motion (HS WIM) systems to asphalt pavement, three high-durability asphalt concrete mixtures installed with a WIM epoxy are evaluated. METHODS : In this study, dynamic stability, number of loading repetitions to reach the rut depth of 1 mm, and rut depth measurements of three asphalt mixtures at $60^{\circ}C$ were compared using an Asphalt Pavement Analyzer (APA). Laboratory-fabricated material and field core samples were prepared and tested according to KS F2374. RESULTS : Through the laboratory tests, it was found that all three modified asphalt mixtures (stone-mastic, porous, and semi-rigid) with WIM epoxy showed favorable permanent deformation results and passed the dynamic stability criterion of 3000 loading repetitions per 1 mm. In addition, it was confirmed that the modified SMA mixtures cored from the field construction yields satisfactory rutting testing results using the APA. Finally, the epoxy used for the HS WIM installation shows good adhesion with the three asphalt mixtures and permanent deformation resistance.

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References

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