Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
6717007 | Construction and Building Materials | 2018 | 10 Pages |
Abstract
The effects of fly ash and slag on fresh and hardened properties of self-compacting concrete (SCC) were investigated using four CEM I 52.5â¯N cements produced at different factories according to ASTM C150, two polycarboxylate-acid based superplasticisers, two class F fly ashes and one slag. The differences in the cement characteristics were enough to affect the SCC flow properties. The compatibility of cement and admixtures depended mostly on the concentration of C3A, C2S/C3S ratio, the specific surface area of the cement and the type of superplasticiser used. A protocol to assess the sensitivity of a SCC mix design to a type of cement is proposed.
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Authors
Omar Almuwbber, Rainer Haldenwang, Willy Mbasha, Irina Masalova,