Abstract
In foundry industry, there are two important processes used to manufacture metallic parts: in the first one, permanent molds, typically metallic, are used to produce simple form of parts; and in the second, sands are used as lost molds and cores to produce complicated forms of parts which make their use very adaptable for large scale applications. However, the latter process generates significant quantities of sand waste because only small ones are recycled in factory, that is why it is very interesting to valorize these Spent Foundry Sands (SFS) in several other industrial sectors. The objectives of the present work were to valorize/reuse the foundry sands in road construction projects. It has been observed that the addition of hydraulic binders, leads to a significant increase in the CBR (California Bearing ratio) index up to 135% with the addition of 2% of lime and up to 75% with the addition of 2% of cement.
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Bekki, H., Haouachine, M.Y., Aouci, Y. (2019). Valorization of Foundry Green Sand in Road Construction. In: Kallel, A., et al. Recent Advances in Geo-Environmental Engineering, Geomechanics and Geotechnics, and Geohazards. CAJG 2018. Advances in Science, Technology & Innovation. Springer, Cham. https://doi.org/10.1007/978-3-030-01665-4_71
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DOI: https://doi.org/10.1007/978-3-030-01665-4_71
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