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Has the adoption of the European cement specification (EN 197) improved cement consistency in South Africa?

In 1996, South Africa adopted the European Cement Specification (EN 197) and discontinued the specifications under which cement previously had...
Issue №3, 2009
Section: Standartization and quality
Keywords: cement quality, manufacturer of South Africa, optimization, cement composition
Autor: A.W. Walker, M.J. Kearns.

Additional requirements placed on hydroanhydrite as a cement setting time regulator

The article cites the results of the works on using gypsum-anhydrite-type rock as cement setting time regulators, the anhydrite differing by the prese...
Issue №5, 2009
Section: Science and production
Keywords: regulator, setting time, cement composition
Autor: A.M. Dmitriev, I.E. Kovaleva, A.V. Shutova, V.P. Ryazin, N.S. Panina..

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