Hostname: page-component-5c6d5d7d68-wp2c8 Total loading time: 0 Render date: 2024-08-07T00:47:39.288Z Has data issue: false hasContentIssue false
  • English
  • Français

Effect of Fly Ash Incorporation on Rheology of Cement Pastes

Published online by Cambridge University Press:  25 February 2011

M. Rattanussorn ,
D. M. Roy  and
R. I. A. Malek
M. Rattanussorn
Affiliation:
Materials Research Laboratory, The Pennsylvania State University, University Park, PA 16802
D. M. Roy
Affiliation:
Materials Research Laboratory, The Pennsylvania State University, University Park, PA 16802
R. I. A. Malek
Affiliation:
Materials Research Laboratory, The Pennsylvania State University, University Park, PA 16802
Get access

Abstract

The predominant spherical shape of fly ash particles combined with mainly glassy composition and texture of its surfaces have a special effect on rheology of cement pastes containing fly ash. The early ages rheological behavior of cement pastes (ASTM Type I) incorporating 30% low-calcium fly ash was monitored by measuring viscosity of the fresh pastes prior to initial hardening and stiffening (up to −2 hours) as a function of time. The viscosities were determined using a co-axial rotoviscometer (HAAKE). The effects of fly ash content, water to cement ratio, and presence and concentration of superplasticizer, were evaluated. In addition, the dispersivity of fly ash spheres was evaluated by determining the zeta-potential of fly ash suspensions in water using a microelectrophoresis technique and the results were correlated to the chemical composition of fly ash as well as the viscosities of fresh pastes.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 86: Symposium N – Fly Ash and Coal Conversion By-Products III , 1986 , 229
Copyright
Copyright © Materials Research Society 1987

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

1. Ish-Shalom, M. and Greenberg, S.A., in Proceedings of the 4th International Symposium on the Chemistry of Cement (1960), pp. 731–748.Google Scholar
2. Powers, T.C., The Properties of Fresh Concretes (John Wiley and Sons, Inc., New York, 1968).Google Scholar
3. Ivanov, Y. and Stanoeva, E., in Proceedings of the VIIth International Congress on Rheology, (Sweden, 1976) pp. 360–361.Google Scholar
4. Dimond, C.R. and Tattersall, G.H., in Proceedings of a Conference held at University of Sheffield (1976), pp. 118–133.Google Scholar
5. Roy, D.M. and Asaga, K., Cem. Concr. Res. 9, 731–739 (1979).Google Scholar
6. Asaga, K. and Roy, D.M., Cem. Concr. Res. 10, 287–295 (1980).Google Scholar
7. Lapasin, R., Papo, A., and Rajgelj, S., Cem. Concr. Res. 13, 349–356 (1983).Google Scholar
8. Tattersall, G.H. and Banfill, P.F.G., The Rheology of Fresh Concrete, (Pitman Books Ltd., London, 1983).Google Scholar
9. Ivanov, Y. and Zacharieva, S., in Proceedings of the 7th International Congress on the Chemistry of Cement, Vol. III (Paris, 1980), pp. VI-103 - VI-107.Google Scholar
10. Nagataki, S. and Kawano, S., in Proceedings of the 7th International Congress on the Chemistry of Cement, Vol. VIII (Paris, 1980), pp. VI-120- VI-124.Google Scholar
11. Roy, D.M. and Asaga, K., Cem. Concr. Res. 10, 387–394 (1980).Google Scholar
12. Ivanov, Y. and Stanoeva, E., Silicates Industriels 9, 199–203 (1979).Google Scholar
13. Malek, R.I.A., Silsbee, M., and Roy, D.M., in Proceedings 8th International Congress Chemistry of Cement, Vol. IV (Brazil, 1986), pp. 270–275.Google Scholar
14. Malek, R.I.A. and Roy, D.M., in Fly Ash and Coal Conversion By-Products: Characterization, Utilization and Disposal I, edited by McCarthy, G.J. and Lauf, R.J., Mat. Res. Soc. Symp. Proc. Vol.43 (Materials Research Society, Pittsburgh, 1985) pp. 41–50.Google Scholar
15. Malek, R.I.A., Licastro, P.H., and Roy, D.M., in Fly Ash and Coal Conversion By-Products: Characterization, Utilization and Disposal II, edited by McCarthy, G.J., Glasser, F.P. and Roy, D.M., Mat. Res. Soc. Symp. Proc. Vol.65, (Materials Research Society, Pittsburgh, 1986) pp. 269–284.Google Scholar
16. Grutzeck, M.W., Fajun, Wei, and Roy, D.M., in Fly Ash and Coal Conversion By-Products: Characterization, Utilization and Disposal I, edited by McCarthy, G.J. and Lauf, R.J., Mat. Res. Soc. Symp. Proc. Vol.43 (Materials Research Society, Pittsburgh, 1985) pp. 65–72.Google Scholar
17. Cabrera, J.G. and Plowman, C., in 7th International Congress on the Chemistry of Cement, Vol. III (Paris, 1980), pp. IV-84 – IV-92.Google Scholar
18. Nagataki, S., Sakai, E., and Takeuchi, T., in Research Sessions of First International Conference on the Use of Fly Ash, Silica Fume, Slag, and Other Mineral By-Products in Concrete (Canada, 1983), 13 pp.Google Scholar
19. Rattanussorn, M., M.Sc. Thesis in Ceramic Science, The Pennsylvania State University, University Park, PA 16802 (1986).Google Scholar