Plaster of Paris activated supersulfated slag cement

Mehrotra, V. P. ; Sai, A. S. R. ; Kapur, P. C. (1982) Plaster of Paris activated supersulfated slag cement Cement and Concrete Research, 12 (4). pp. 463-473. ISSN 0008-8846

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Hydration and strength behavior of supersulfated cement produced by activating a granulated Indian blastfurnace slag by plaster of Paris has been investigated. It is shown that plaster of Paris is a better activator than the conventional hard burnt gypsum (anhydrite) at least for a class of blastfurnace slags which are ordinarily considered less than ideal for this purpose. The setting characteristics of the plaster of Paris activated slag were controlled by small additions of a set retarder which does not adversely affect the strength properties of the cement. X-ray analysis and DTA have been used to identify the hydration products, interpret the strength data, and to compare the plaster of Paris activated cement with anhydrite activated slag cement.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
ID Code:17750
Deposited On:16 Nov 2010 12:45
Last Modified:04 Jun 2011 07:13

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