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R717 Glass Alteration in the Presence of Mortar: Effect of the Cement Grade

  • Z. Andriambololona (a1), N. Godon (a1) and E. Vernaz (a1)

Abstract

R717 glass alteration was investigated in the presence of four mortars prepared from four different cement grades: “CPA” Portland cement (mortar M1), CPA with pozzolana additive (M2), CPA with amorphous silica additive (M3) and “CLK” blast furnace slag cement (M4). Glass specimens were also altered in Volvic mineral water and in a cement effluent. Glass corrosion in the cement media was greater than in Volvic water, but well below what could be expected from the high pH (approx 12.5). The relatively low alteration was probably related to the protective action of the calcium-enriched gel layer that formed at the glass surface. The glass corrosion rate was 2 to 3 times lower with cement containing pozzolana or silica gel additives or with CLK cement than with CPA cement alone.

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1. Boult, K.A. et al. (1991), Radionuclide Release from Solidified High-Level Waste, Report EUR 13604.
2. Haworth, A., Sharland, S.M. and Tweed, C.J. (1989), “Modeling the Degradation of Cement in a Nuclear Waste Repository”, Mat. Res. Soc. Symp. Proc., 127, 447454.
3. Shimann, A. (1983), J. Noncrystalline Solids, 54.
4. Ambroise, J., Murat, M. and Pera, J. (1985), “Durabilité des fibres de verre dans différents milieux cimentaires en cours de consolidation: Etude d'une fibre de verre E”. Verre Rifractaire, 39/6, 905910.
5. Glasser, L.S. Dent. and Kataoka, N. (1981), “The Chemistry of Alkali-Aggregate Reactions”, Conference: Cape Town, South Africa, March 30-April 3, 1981.
6. Grambow, B. (1985), “JSS-A Glass Dissolution: Mechanism, Model and Experiments”, SKB Tech. Report 87-02, Swedish Nuclear Fuel and Waste Management Co., Stockholm.
7. Advocat, T., Crovisier, J.L., Vernaz, E., Ehret, G. and Charpentier, H. (1990), “Hydrolysis of Nuclear Waste Glass in Dilute Media: Mechanisms and Rate as a Function of pH”, Mat. Res. Soc. Symp. Proc., 212, 5764.
8. Grassi, G., Stafferi, L. and Badini, C. (1985), “E. Glass Fibers with Surface Coating: Reaction to Alkaline Attack”, Silicates Industriels, 11/12, 143148.

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