Investigation of flow properties and activation energy of magnesium lignosulfonate modified bitumen
Journal Title: Firat University Journal of Experimental and Computational Engineering - Year 2023, Vol 2, Issue 1
Abstract
Recently, many studies have been carried out on the use of waste materials in bitumen modification. In this way, environmental and economic benefits are obtained and a field of use is created for waste materials. In this study, magnesium lignosulfonate (MLS), which is an organic waste material released during paper production from wood, was added to B50/70 bitumen. Penetration, softening point, rolling thin film oven test (RTFOT) and rotational viscometer (RV) tests were performed on modified binders. As a result of the experiments, it was determined that MLS increased the consistency, softening point and short-term aging resistance of the asphalt and decreased the temperature sensitivity. In addition, the activation energy values were determined using the Arrhenius equation and the flow properties were evaluated.
Authors and Affiliations
Ahmet Münir ÖZDEMİR , Bahadır YILMAZ*
Keywords
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- EP ID EP713839
- DOI 10.5505/fujece.2023.79553
- Views 59
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