Abstract
This paper explores the feasibility in utilising materials generated from C&DW to produce a ‘green’ concrete. The two materials that are considered here are, (i) up-sizing silt-size material generated from recycled aggregates to produce a synthetic silt-sand and (ii) processed recycled coarse aggregates (RA) sourced from a Gulf Region landfill site. The work has demonstrated that there is potential for utilising silt wastes into foamed concrete, which can then be crushed to a sand-sized material suitable for use in concrete, however the porous nature of the material has highlighted that the water demand of this RA is high. RAs were characterised to BS EN 12620 and found suitable for use in concrete. The effect of RA on concrete properties is minimal when used up to 35% replacement levels, provided that they are pre-soaked.
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© 2015 TMS (The Minerals, Metals & Materials Society)
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Jones, M.R., Halliday, J.E., Csetenyi, L., Zheng, L., Strompinis, N. (2015). Utilising Fine and Coarse Recycled Aggregates from the Gulf Region in Concrete. In: Karaman, I., Arróyave, R., Masad, E. (eds) Proceedings of the TMS Middle East — Mediterranean Materials Congress on Energy and Infrastructure Systems (MEMA 2015). Springer, Cham. https://doi.org/10.1007/978-3-319-48766-3_2
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DOI: https://doi.org/10.1007/978-3-319-48766-3_2
Publisher Name: Springer, Cham
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