Influence Of Mgo And Gypsum On The Properties Of Afite-Calcium Barium Sulphoaluminate Cement

W. Zhang, X. J. Tang, L. C. Lu,Z. A. Ye, L. B. Yu

Proceedings of the 6th International Symposium on Cement & Concrete and CANMET/ACI International Symposium on Concrete Technology for Sustainable Development, Vols 1 and 2（2006）

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Abstract

The influence of MgO and gypsum on the properties of alite-calcium barium sulphoaluminate cement was studied in this paper. The results show that the optimal content of MgO in the clinker is 4.0%, the proper amount of gypsum is 7%. By means of XRD, SEM-EDS and DTA, the influence of MgO on the properties of the cement and the formation of minerals, and the influence of gypsum on hydration process are studied.

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Key words

magnesia, gypsum, alite, Ba-bearing calcium sulphoaluminate, hydration

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