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A Study on Mechanical Performance Evaluation and Economic Analysis by Reclaimed Hot Asphalt Pavement

순환 가열 아스팔트의 용도별 기계적성능 평가 및 경제성 분석 연구

  • 문성호 (서울과학기술대학교 건설시스템공학과) ;
  • 가현길 (서울과학기술대학교 건설시스템공학과) ;
  • 이시원 (서울과학기술대학교 건설시스템공학과) ;
  • 박용부 (한국토지주택공사 토지주택연구원)
  • Received : 2019.11.01
  • Accepted : 2019.12.10
  • Published : 2019.12.31

Abstract

The government is encouraging the notice of obligatory reclaimed asphalt as a result of the economic and social positioning of green growth to reduce the amount of waste resources and to solve natural resource problems by recycling continuously generated waste resources. However, it is necessary to develop application guideline for each application to apply reclaimed asphalt to the site because quality control of the reclaimed asphalt is difficult and the specifications are ambiguous as well. Therefore, in this study, the mix design, quality test, performance test, and finite element analysis about reclaimed Asphalt Pavement were conducted to develop application guideline for reclaimed hot asphalt. The mix design was carried out for the comparative general hot mix asphalt mixture, the reclaimed hot mix asphalt mixture using the additive, and the reclaimed hot mix asphalt mixture without the additive. Indirect tensile strength and tensile strength ratio tests were used to characterize the reclaimed hot mix asphalt mixture. Using the results of dynamic modulus test and FWD test for KPRP analysis and finite element analysis, the performance life was evaluated for general pavement and pavement using recycled aggregate. Finally, the life cycle cost analysis was used to compare and analyze the economics of reclaimed asphalt concrete pavement.

Keywords

References

  1. AASHTO TP62(2011), "Standard Method of Test for Determining Dynamic Modulus of Hot Mix Asphalt", American Association of State and Highway Transportation Officials.
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