Binder blending estimation method in hot mix asphalt with reclaimed asphalt

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Abstract

Current road construction technologies includes the use of recycled materials increasingly. High quality of hot mix asphalt with high content of reclaimed asphalt pavement (RAP) requires the use of virgin binder or rejuvenator agent additive. The phenomenon of blending of binder from RAP with virgin binder has not been fully investigated. This paper discuses procedure which allow asses blending level between virgin binder and binder film in RAP. In this paper there is presented the preliminary tests results of the research concerning binder blending estimation. Degree of partial blending was estimated based on the rheological tests such as complex modulus and phase angle conducted in Dynamic Shear Rheometer. The Multiple Stress Creep Recovery test method was used to examine how virgin binder blends with polymer modified RAP binder.

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Liphardt, A., Radziszewski, P., & Król, J. (2015). Binder blending estimation method in hot mix asphalt with reclaimed asphalt. In Procedia Engineering (Vol. 111, pp. 502–509). Elsevier Ltd. https://doi.org/10.1016/j.proeng.2015.07.123

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