Cement composition

Details Cement composition Cement composition

1988-09-28

1990-10-09

Chaudhuri, Olik

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

106695, 106791, C04B 700

Patent

active

049617877

ABSTRACT:
The advantae of high alumina cement (early strength, resistance to sulphate attack) are preserved and its disadvantage (weakens with age) is solved by mixing it 50:50 with ground granulated blast furnace slag. This encourages formation of gehlenite octahydrate in preference to or to the exclusion of the harmful `conversion` (weakening) reaction.

REFERENCES:
patent: 1803582 (1931-04-01), Zucco
patent: 4396422 (1983-08-01), Matsuno et al.
patent: 4605443 (1986-07-01), MacDowell
F. M. Lea, "The Chemistry of Cement & Concrete", Edward ARnold, 1970, SNB 7131 2277 3, pp. 497-496.
Vuillemin, "The Use of Mixtures . . . ", Building Materials, vol. CVIII, No. 18, 2 May 1936 (translation from French).
Locher, "Hydraulic Properties and Hydration . . . ", 4th Intl. Sump. on the Chemistry of Cement, Washington, D.C., 1960, pp. 267-276.
Rao et al., "Chemistry of Arresting Strength . . . ", Paper Y51, 7th Intl. Congress on Cement, 1980, pp. 51-57.
Sugi et al., "Fundamental Experiments on Gypsum-Blastfurnace Slag-Alumina Cement Systems", Cement Association of Japan, 1976 Proceedings, pp. 73-76.
Neville, "HAC Concrete", Construction Press (1975), p. 14.

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