Review on physical performance, modification mechanisms, carbon emissions and economic costs of recycled aggregates modified with physical enhancement technologies
Journal of Environmental Management, ISSN: 0301-4797, Vol: 357, Page: 120713
2024
- 7Citations
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Review Description
With the continuous advancement of urban renewal, the application of recycled aggregates (RA) is a win-win measure to solve the treatment of construction waste and provide the required building materials. However, the existence of a large amount of old adhesive mortar (OAM) makes it difficult for RA to equivalently replace natural aggregates (NA) due to their higher water absorption and crushing index, as well as a lower apparent density. From the published literature on enhancing RA, the most mature and easiest method for construction is physical enhancement technology. Therefore, through a review of recent related researches, this article summarizes and compares the modification effects of mechanical grinding technology, traditional heating and grinding technology, and microwave heating technology on the physical properties of RA, including water absorption, apparent density, and crushing value. The related modification mechanisms were discussed. Additionally, the impacts of different physical enhancement technologies on the environment and economy effects are assessed from the perspectives of carbon emissions and cost required during processing. Based on multi-criteria analysis, microwave heating technology is more efficient and cleaner, which is the most recommended in the future.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0301479724006996; http://dx.doi.org/10.1016/j.jenvman.2024.120713; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85188965079&origin=inward; http://www.ncbi.nlm.nih.gov/pubmed/38552520; https://linkinghub.elsevier.com/retrieve/pii/S0301479724006996; https://dx.doi.org/10.1016/j.jenvman.2024.120713
Elsevier BV
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