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| Abstract |
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| Title: | Rheological Behaviour of Raw Cement |
| Author: | A. Lachemet ; D. Touil ; S. Belaadi ; N. Bentaieb ; C. Frances |
| Abstract: | A series of rheometric tests was conducted on raw cement at different concentrations and particle finesses as well. The paste of raw cement, formed by a set of particles suspensions in water, presents rheological properties that make it different from the fluids commonly used. The obtained results have showed that the rheological behaviour is the shear-thinning type and can be described satisfactorily by a model of Herschel-Bulkley, characterized by three parameters Ä0, K and n which connect the shear stress to the shear rate. In addition, the parameter Ä0 was correlated by an exponential function of the volume concentration of particles, this correlation is valid for both the raw cement and limestone. This latter is the main component of raw cement, for that reason its rheology has been studied. |
| Journal: | Journal of Applied Sciences |
| Issn: | 18125654 |
| EIssn: | 18125662 |
| Year: | 2008 |
| Volume: | 8 |
| Issue: | 19 |
| pages/rec.No: | 3485-3490 |
| Key words | Limestone ; raw meal ; rheology ; yield stress ; solids concentration ; particle size |
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