Life Cycle Assessment of Asphalt Mixtures with the Incorporation of High proportions of Crumb Tire Rubber
DOI:
https://doi.org/10.33414/rtyc.55.1-12.2026Keywords:
Environmental impact, Crumb tire rubber, Life cycle analysisAbstract
Currently, the use of alternative technologies and materials is becoming increasingly common in the road construction industry. The application of waste materials such as plastics, recycled pavement, and Crumb Tire Rubber (CTR) provides considerable performance benefits to asphalt mixtures. However, it remains to be studied whether the performance benefits translate into environmental advantages. This study analyzes the life cycle of a sustainable asphalt mixture compared to conventional mixtures. The environmental impact is evaluated from material production to the construction stage using Life Cycle Assessment (LCA) according to the ISO standard. The results show a reduction in energy consumption and emissions when 15% and 18% CTR are incorporated as a modifier to the asphalt cement compared to a mixture with conventional asphalt.
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Copyright (c) 2026 Ignacio Zapata Ferrero, Bianca Valentina Hrichina
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