The Influence of Sludge Water on the Properties of Fresh and Hardened Concrete

Abstract:

Reducing waste from industrial production is a major issue of our time. The concrete industry is looking for ways to deal with the fresh concrete slurry waste that is produced during production. Worldwide, this sludge is often filtered and used for further application. However, in many concrete plants, such a facility is not economically beneficial and therefore solutions are being looked for to recover the slurry water without major modifications. This article deals with the recovery of sludge water in its fresh state immediately after its generation from concrete production. The tested concrete contains potable water replacement at 50 and 100% by weight. The resulting slump test decreased with increasing sludge water, whereas the resulting compressive strength of these concretes was higher than the concrete with fresh water.

• Periodical: Materials Science Forum (Volume 1070)
• Pages: 231-236
• DOI: https://doi.org/10.4028/p-n4oi0e
• Online since: October 2022
• Authors: Vendula Davidová, Tomáš David, Pavel Reiterman*
• Keywords: Air Content, Compressive Strength, Consistency, Sludge Water

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