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http://dx.doi.org/10.7855/IJHE.2011.13.2.001

A Study of Performance Evaluation of Warm Asphalt Binder Properties using LEADCAP(R) additive  

Lee, Jae-Jun (한국건설기술연구원)
Yang, Sung-Lin (한국건설기술연구원)
Kwon, Soo-Ahn (한국건설기술연구원)
Hwang, Sung-Do (한국건설기술연구원)
Publication Information
International Journal of Highway Engineering / v.13, no.2, 2011 , pp. 1-8 More about this Journal
Abstract
The objective of this paper is to evaluate the performance of low $CO_2$ asphalt binder properties using LEADCAP$^{(R)}$(Low Energy and Carbon Asphalt Pavement) additive as function of various aging methods such as RTFO(Rolling thin film oven), Ultraviolet(UV) lay. In order to simulate the short-term aging of asphalt binder that occurs during the hot-mixing asphalt process, the Rolling Thin Film Oven(RTFO) was used. Asphalt binder using LEADCAP$^{(R)}$ is prepared by addition of a photoinitiator activated by ultraviolet lay. The mechanical and rheological properties of the asphalt binder were estimated using UTM(Universal Testing Machine) and DSR(Dynamic Shear Rheometer). The test results showed that the asphalt binder using LEADCAP$^{(R)}$ additive was improved the rutting resistance at testing temperature ($70^{\circ}C$) and increased tensile strength at low temperature. Also, Thermal analysis shows that the Melting Point(Tm) of asphalt binder using LEADCAP$^{(R)}$ additive was constant although the asphalt binder was aged by Ultraviolet.
Keywords
warm asphalt binder; LEADCAP$^{(R)}$ additive; aging;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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