Rheological investigation on the ageing performance of bio-recycled asphalt binders and mixtures
Source abstract
Abstract
The current need to move towards more sustainable technologies in the construction sector has promoted the investigation of using alternative materials in asphalt mixtures for pavements. Biomaterials, used as biobinders, have shown their potential as partial replacement of bitumen in asphalt mixtures as solution to decreasing the demand for fossil-fuel-based binders as well as CO2 emissions. However, more research is needed to increase the replacement of bitumen in asphalt mixtures. In this investigation,biobinders are used as full replacement of virgin bitumen and as recycling agent within asphalt mixtures with high Reclaimed Asphalt (RA) content. Blends of biobinders and RA binders, and bio-recycled asphalt mixtures, were produced, subjected to ageing and rheologically characterised. The results show that the rheological properties of binders’ blends seem adequate for their use, while the bio-recycled asphalt mixtures seem to have a faster ageing than conventional ones, hence their full-scale application still remains a concern.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Asphalt Pavement Performance Evaluation · Natural Fiber Reinforced Composites · Infrastructure Maintenance and Monitoring
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
LabIC.ugr, Department of Construction Engineering and Engineering Projects, University of Granada, Granada, Spain
Department of Engineering, University of Palermo, Italy
University Gustave Eiffel, Nantes, France
NTEC, Department of Civil Engineering, University of Nottingham, UK
Funding
European Union’s Seventh Framework Programme · European Union’s Horizon 2020 · Athenea3i
References (40)
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