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Moesgaard M.,University of Aalborg | Herfort D.,Aalborg Portland Group | Steenberg M.,Aalborg Portland Group | Kirkegaard L.F.,Aalborg Portland Group | Yue Y.,University of Aalborg
Cement and Concrete Research | Year: 2011

This work explores the suitability of calcium aluminosilicate (CAS) glass particles as an alternative to conventional supplementary cementitious materials (SCMs) such as fly ash and blast furnace slag. The reason for adding CAS glass particles to the cement blend is to reduce the CO 2 emission of cement production at the same level of performance. For this purpose, blended cement mortars containing 30 wt.% clinker replacement are characterized with respect to workability and mechanical performance. The results indicated that real emission reductions are possible, particularly for combinations of finely ground limestone and CAS glasses which resulted in significantly higher strengths than would be predicted from the individual contributions of each constituent. © 2010 Elsevier Ltd. All rights reserved.

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