Self consolidating concrete scc

12-Feb-2018 16:29

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Water-to-powder ratio (by volume) is assumed to be 0.9 to 1.0 depending upon the properties of the powder (which can be cement, pozzolan or powdered stone).The final water-to-powder ratio and superplasticizer dosage are determined so as to ensure self-compactibility.The importance of testing Central to the development of an SCC mix design for each project is testing.An SCC mixture should be designed and tested in the lab and in a production setting to verify its performance prior to use on a job.

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The pozzolan can be fly ash, metakaolin, silica fume or slag, and the makeup of the powder could include some combination of the aforementioned materials.Designing an SCC mix is a repetitive process that starts with these basic proportions but alters them again and again based on how each newly created mix behaves.