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http://dx.doi.org/10.7855/IJHE.2014.16.4.045

Moisture Damage Evaluation of Asphalt Mixtures depending on the Types of Anti-Stripping Agent  

Choi, Sung Ho (세종대학교 건설환경공학과)
Kim, Won Jae (세종대학교 건설환경공학과)
Le Van, Phuc (세종대학교 건설환경공학과)
Lee, Hyun Jong (세종대학교 건설환경공학과)
Hwang, Sung Do (한국건설기술연구원)
Publication Information
International Journal of Highway Engineering / v.16, no.4, 2014 , pp. 45-50 More about this Journal
Abstract
PURPOSES : The objective of this study is to analyze the performance of anti-stripping agent depending on its type and content to reduce pothole, an increasing pavement distress due to abnormal climate intensity. METHODS : In the past years, U.S and many countries in Europe use hydrated lime and liquid anti-stripping agent in asphalt mixtures. Hydrated lime or liquid anti-stripping agent is substituted for filler and binder, respectively, to improve the anti-stripping property of asphalt mixtures. To investigate this, indirect tensile strength test was performed and TSR values were compared for different content of hydrated lime and types of liquid anti-stripping agent in asphalt mixture. RESULTS : Test results indicate that hydrated lime remarkably increased the asphalt mixture performance on anti-stripping denoted by the increased in TSR values from 55% to 100%. Liquid anti-stripping agent also increased the value of TSR but not significant. In addition, depending on the types of aggregate, TSR values and effect of liquid anti-stripping were different. CONCLUSIONS : Using anti-stripping agents improve the anti-stripping property of asphalt mixture especially hydrated lime; however, more experiments should be conducted to improve the reliability about the effect of liquid anti-stripping agent.
Keywords
moisture susceptibility; pothole; hydrated lime; anti-stripping agent; tensile strength ratio;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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