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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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PURPOSES : The objectives of this study are to evaluate moisture sensitivity of various asphalt mixtures and to suggest an alternate method for the dynamic immersion test, which is used to determine the application of anti-stripping agent, by analyzing bond strength. METHODS : The bond strength of various asphalt mixtures such as hot mix asphalt, warm mix asphalt, and polymer-modified asphalt was evaluated by the ABS test. In order to characterize moisture sensitivity at different temperatures of the mixtures, the ABS test was conducted at $-10^{\circ}C$, $5^{\circ}C$, $20^{\circ}C$, $40^{\circ}C$, and $54^{\circ}C$ under both dry and wet conditions. The concept of the bond strength ratio was applied for objective moisture sensitivity analysis. Moreover, the bond strength characteristic was compared to the dynamic immersion test to suggest an alternate method to determine the application of anti-stripping agent. RESULTS AND CONCLUSIONS : Overall, the polymer-modified asphalt demonstrates the highest bond strength characteristic regardless of moisture condition and temperature. The bond strength characteristic displays a highly reliable linear relationship from $5^{\circ}C$ to $40^{\circ}C$, and the relationship could be used to predict bond strength at any intermediate temperature. Based on the analysis of bond strength and retained asphalt ratio, the bond strength value of 1254 kPa could be applied as a criterion for anti-stripping agent.
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참고문헌 (15)
참고문헌 신청
American Association of State and Highway Transportation Officials (AASHTO) / 2011 / Standard Test Method of Test for Determining Asphalt Binder Strength by Means of the Asphalt Bond Strength (ABS) Test. AASHTO TP: 91-11
Asphalt Institute / 1981 / Cause and Prevention of Stripping in Asphalt Pavements
Asphalt Research Consortium(ARC) / 2008 / Moisture Damage, Work Elements M2c-M1a Modified PATTI Test & DSRPreliminary Results, Presentation
Everynews / 2014 / Technology Level of Road & Transportation is the lowest comparing of Advanced Countries / Everynews. March 4th 2014
European Standard / 2003 / Bituminous Mixtures - Test Methods for Hot Mix Asphalt: Part 11 Determination of the Affinity between Aggregate and Bitumen, European Standard, Final Draft, No. prEN 12697-11
Asphalt Institute / 1981 / Cause and Prevention of Stripping in Asphalt Pavements
Asphalt Research Consortium(ARC) / 2008 / Moisture Damage, Work Elements M2c-M1a Modified PATTI Test & DSRPreliminary Results, Presentation
Everynews / 2014 / Technology Level of Road & Transportation is the lowest comparing of Advanced Countries / Everynews. March 4th 2014
European Standard / 2003 / Bituminous Mixtures - Test Methods for Hot Mix Asphalt: Part 11 Determination of the Affinity between Aggregate and Bitumen, European Standard, Final Draft, No. prEN 12697-11
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