Activation of pozzolanic reaction of hydrated portland cement fly ash pastes in sulfate solution

Journal of the American Ceramic Society

Volumn 85, Issue 12, 2002, Pages 3071-3075

  Lorenzo, Mari Paz ^a   Goñi, Sara ^a   Guerrero, Ana ^a  

^a INSTITUTO DE CIENCIAS DE LA CONSTRUCCIÓN EDUARDO TORROJA   (Spain)

Author keywords

[No Author keywords available]

Indexed keywords

ALUMINA; BENDING STRENGTH; CHEMICAL ACTIVATION; CHEMICAL RESISTANCE; DIFFUSION IN SOLIDS; HYDRATION; MIXTURES; PARTICLE SIZE ANALYSIS; PORTLAND CEMENT; SCANNING ELECTRON MICROSCOPY; SODIUM COMPOUNDS; X RAY DIFFRACTION ANALYSIS;

HYDRATED PORTLAND CEMENT FLY ASH PASTES; MERCURY INTRUSION POROSIMETRY; POZZOLANIC REACTION; SODIUM SULFATE;

FLY ASH;

EID: 0036970183     PISSN: 00027820     EISSN: None     Source Type: Journal    
DOI: 10.1111/j.1151-2916.2002.tb00581.x     Document Type: Article

References (20)

1. P. K. Mehta, "Durability"; pp. 105-69 in Concrete: Structure, Properties and Materials. Edited by P. K. Mehta. Prentice-Hall, Englewood Cliffs, NJ, 1986.
2. P. K. Mehta, "Effect of Fly Ash Composition on the Sulfate Resistance of Cement," J. Am. Concr. Inst., 83 [6] 994-1000 (1986).
3. (a) M. Regourd, "Microstructure of Cement Blends Containing Fly Ash, Silica Fume, Slag and Fillers"; pp. 187-200 in Materials Research Society Symposium Proceedings, Vol. 85, Microstructural Development During Hydration of Cement. Materials Research Society, Pittsburgh, PA, 1987.
4. (b) M. Regourd, "Microstructural Development During Hydration of Cement"; pp. 185-97 in Materials Research Society Symposium Proceedings, Vol. 86, Fly Ash and Coal Conversion By-products. Materials Research Society, Pittsburgh, PA, 1987.
5. D. M. Roy, "Fly Ash and Silica Fume: Chemistry and Hydration"; pp. 117-37 in Proceedings of the Third International Conference on Fly Ash, Silica Fume, Slag and Natural Pozzolans in Concrete. Edited by V. M. Malhotra. American Concrete Institute, Trondheim, Norway, 1989.
6. V. M. Malhotra, "Durability of Concrete Incorporating High-Volume of Low-Calcium (ASTM Class F) Fly Ash," Cem. Concr. Compos., 12, 271-77 (1990).
7. S. Diamond, "Effects of Microsilica (Silica Fume) on Pore Solution Chemistry of Cement Pastes," J. Am. Ceram. Soc., 66 [5] 82-84 (1983).
8. 4 Medium," Cem. Concr. Res., 24 [8] 1403-12 (1994).
9. P. Lorenzo, S, Goñ, S. Hernández, and A. Guerrero, "Effect of Fly Ashes with High Total Alkali Content on the Alkalinity of the Pore-Solution of Hydrated Portland Cement Paste," J. Am. Ceram. Soc., 79 [2] 470-74 (1996).
10. S. Goñi, M. P. Lorenzo, A. Guerreor, and M. S. Hernández, "Calcium Hydroxide Saturation Factors in the Pore Solution of Hydrated Portland Cement Fly Ash Paste," J. Am. Ceram. Soc., 79 [4] 1041-46 (1996).
11. A. Guerrero, M. S. Hernández, and S. Goñi, "The Role of the Fly ash Pozzolanic Activity in Simulated Sulphate Radioactive Liquid Waste," Waste Manage., 20 [1] 51-58 (2000).
12. A. Guerrero, M. S. Hernández, and S. Goñi, "Effect of Simulated Radioactive Liquid Waste on the Microstructure of Cementitious Materials: Portlandite Orientation and Saturation Factors in the Pore Solution," J. Am. Ceram. Soc., 83 [11] 2803-808 (2000).
13. C. Plowman and J. G. Cabrera, "The Use of Fly Ash to Improve the Sulfate Resistance of Concrete," Waste Manage., 16 [1-3] 145-49 (1986).
14. X. Aimin and S. L. Sarkar, "Microstructural Study of Gypsum Activated Fly Ash Hydration in Cement Paste," Cem. Concr. Res., 21, 1137-47 (1991).
15. C. Shi and R. L. Day, "Pozzolanic Reaction in the Presence of Chemical Activators: I, Reaction Kinetics," Cem. Concr. Res., 30 [1] 51-58 (2000).
16. C. Shi and R. L. Day, "Pozzolanic Reaction in the Presence of Chemical Activators: II, Reaction Products and Mechanism," Cem. Concr. Res., 30 [4] 607-13 (2000).
17. 4)," Cem. Concr. Res., 31 [6] 873-81 (2001).
18. A. Koch and U. Steinegger, "A Rapid Test for Cements for Their Behaviour under Sulphate Attack," Zem.-Kalk-Gips, 7, 317-24 (1960).
19. R. S. Barneyback and S. Diamond, "Expression and Analysis of Pore Fluids from Hardened Cement Pastes and Mortars," Cem. Concr. Res., 11, 279-85 (1981).
20. M. P. Lorenzo, "The Effect of Two Kinds of Spanish Fly Ashes on the Microstructure and Durability of the Hydrated Portland Cement Paste"; Ph.D. Thesis. University Complutence, Madrid, Spain, 1993.