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재생첨가제를 사용한 재생아스팔트의 물리적특성에 관한 실험적 연구
최상필,권혁준,김정환,박승범,조청휘 忠南大學校 産業技術硏究所 1999 산업기술연구논문집 Vol.14 No.1
This paper persent the results of an exprimental study on the mechanical properties of recycling agents. This study has been performed to obtain the properties of recovered asphalt such as penetration, softening point and penetraion, ductility after thin film oven test. In all testing , the result is equivalent and similar to virgin asphlt, but in the case of low penetration ductility after thin film oven test shows that functional amount of recycling agent is limited in some degree according to adding recycling agent is limited in some degree according to adding recycling agent.
개질재를 혼입한 재생아스콘의 역학적 특성에 관한 실험적 연구
박승범,조광연,조청휘,김정환,채용주 충남대학교 산업기술연구소 2000 산업기술연구논문집 Vol.15 No.1
This paper presents the results of an experimental study on the mechanical properties of modified recycling asphalt concrete. Research has been performed to obtain the characteristics of the modified recycling asphalt concrete such as marshall test, indirect tensile test, resilient modulus and wheel tracking test by varying contents of modifier (SBS, SBR) and recycled aggregate(30, 50, 70%). Modified recycling asphalt concrete showed better performance than new asphalt concrete in dynamic stability. Each quality property of the modified recycling asphalt concrete satisfied requirement of pavement construction specification.
기질재를 혼입한 재생아스팔트의 물리적특성에 관한 실험적 연구
박승범,조청휘,김정환,채용주 충남대학교 산업기술연구소 1999 산업기술연구논문집 Vol.14 No.2
This paper present the results of an experimental study on the mechanical properties of reclaimed asphalt using modified additives. This study has been performed to obtain the properties of recovered asphalt such as penetration, softening point and ductility, weight change ratio, penetration change ratio after thin film oven test according to contents of modified additives(3∼5%). Recovered-modified asphalt has improved in the temperature sensitivity, which is ductile at higher temperature and brittle at lower temperature compared to virgin one. Penetration, softening point, ductility test and mass and weight changing rate and thin film oven test of recovered-modified asphalt satisfied the standard fir the modified asphalt II. Therefore, it could be possible to produce a recovered-modified asphalt mixture similar to those of virgin-modified asphalt mixture.
국내 지역별 회수 아스팔트의 물리적 특성에 관한 실험적 연구
박승범,조광연,조청휘,이천용,조춘근 忠南大學校 産業技術硏究所 1998 산업기술연구논문집 Vol.13 No.2
This paper is presented in the result of an experimental study on the mechaniclal properties of recovered asphalt extracted from waste asphalt mixture. This study has been performed to obtain the properties of recovered asphalt such as penetration, flash point, fire point, softening point and ductility, automatic elemental analyzer, TLC analysis. The test variables are payment course, service time. Penetration test shows the results that decrease penetration on account of increasing service time, especially in surface course. Softening test shows the results that increase softening point on account of increasing service time.