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Assessing chemical reactivity of blast furnace slag as supplementary cementitious material

Reduction of CO2 emissions associated with cement production represents one of the most important and urgent challenge for the cement industry. Thus, the replacement of cement by Supplementary Cementitious Materials (SCM) is widely adopted industrial practice. The reactivity of the slag is considered to be an important parameter for assessing its suitability as a cement replacing material in concrete. The aim of this paper is to determinate reactivity of slags from different origins using isothermal calorimetry and bound water measurement.

blast furnace slag, supplementary cementitious material, isothermal calorimetry, bound water

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