Have you ever thought about how we can achieve more sustainable and environmentally friendly asphalt pavements? Given the non-renewable nature and increasing consumption of bitumen, this issue has become a serious challenge for infrastructure development, especially in the construction and maintenance of asphalt pavements. To address this problem, we need sustainable strategies.
To this end, extensive efforts have been made to enhance the resilience, sustainability, and circularity of asphalt pavements. One of the most promising of these efforts is the use of bio-based materials. Utilizing bio-based materials has emerged as an effective approach to creating green pavements. Wood-based oils, waste cooking oils, and manure-based bio-bitumen have been selected as subjects of study.
Research shows that current bio-based oils are more suitable as additives such as softeners, rejuvenators, or modifiers rather than as direct replacements for bitumen. One of the promising applications of bio-based oils is as rejuvenators, which can potentially also serve as antioxidants. Additionally, combining polymers with bio-oils is another effective method to improve the performance of bio-bitumen.
However, great care must be taken in the production of bio-bitumen, as material compatibility can affect performance and must be carefully addressed. Embracing these innovative approaches can be a significant step toward creating greener and more sustainable pavements.
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