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http://dx.doi.org/10.14190/JRCR.2018.6.3.199

Properties of Cold Recycled Asphalt Mixtures with Alkali-activated Filler according to Wasted Asphalt Aggregate Content  

Lee, Min-Hi (Department of Architecture, Howon University)
Kang, Suk-Pyo (Department of Architecture, Woosuk University)
Publication Information
Journal of the Korean Recycled Construction Resources Institute / v.6, no.3, 2018 , pp. 199-206 More about this Journal
Abstract
Due to the advantages of less raw materials and fossil fuel consumption, lower carbon footprint, and the capability of pavement performance improvement, the recycling technology of asphalt is developed and applied for road rehabilitation and construction in the western countries over the past two decades. Cold recycled asphalt mixtures are bituminous materials normally made by mixing recycled aggregate from wasted asphalt with an asphalt emulsion and water at room temperature. This paper aims at investigating the properties of cold recycled asphalt mixture with alkali-activated filler according to wasted asphalt aggregate content. As a result, as the content of wasted asphalt aggregate increased, the marshall stability of cold recycled asphalt mixture decreased and void ratio increased. Also, grading curves for cold recycled asphalt mixture as specified in GR criteria were satisfied in all aggregate mixing conditions regardless of the wasted asphalt aggregate content.
Keywords
Cold recycled asphalt mixture; Alkali-activated filler; Wasted asphalt aggregate; Marshall stability; Void ratio;
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Times Cited By KSCI : 2  (Citation Analysis)
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