한국도로학회논문집 (International Journal of Highway Engineering)

  • 제14권4호
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  • Pages.29-36
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  • 2012
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  • 1738-7159(pISSN)
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  • 2287-3678(eISSN)
한국도로학회 (Korean Society of Road Engineers)
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교차로 포장 소성변형 저감을 위한 해석적 연구

An Analytical Study to Reduce Plastic Deformation in Intersection Pavements

  • 최준성 (인덕대학교 공과대학 토목환경설계학과) ;
  • 이강훈 (인하대학교 공과대학 토목공학과) ;
  • 권수안 (한국건설기술연구원 도로연구실) ;
  • 정진훈 (인하대학교 공과대학 토목공학과)
  • 투고 : 2012.03.07
  • 심사 : 2012.07.10
  • 발행 : 2012.08.15
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초록

PURPOSES : Plastic deformation is frequently made in intersection asphalt pavement at its early age due to deceleration and stoppage of vehicles. This study has been performed to provide a mechanistic basis for reasonable selection of paving method to minimize the plastic deformation at intersection. METHODS : Pavement layer, temperature, traffic volume of the intersections managed by the Daejeon Regional Construction and Management Administration were collected to calculate asphalt dynamic modulus with pavement depth by using a prediction equation suggested by the Korean pavement design guide. Performance of ordinary dense-graded asphalt pavement, polymer modified asphalt pavement, and fiber reinforced asphalt pavement was analyzed by finite element method and the results were used in a performance model to predict the plastic deformation. RESULTS : In aspect of performance, the three paving methods were usable under low traffic while the fiber reinforced asphalt pavement was the most suitable under heavy traffic. CONCLUSIONS : Reasonable paving method suitable for traffic characteristics in the intersection might be decided by considering economic feasibility.

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참고문헌

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