Since the last decades, several environmentally friendly binders were investigated to manufacture green mortars and concretes. Among these, ground granulated blast furnace slag (GGBFS) has been successfully used to replace Portland cement in combination with alkaline activators in liquid form. Nevertheless, the alkaline solutions are corrosive, viscous and hazardous. For this reason, the development of one-part alkali-activated binders, where only a dry blend of precursors and activators in powder form is used in addition to water, is needed. The aim of this research is to evaluate the influence of the alkali content (Ac) on the microstructure and the performance of one-part alkali-activated slag pastes.
Performance and Microstructure of One-Part Alkali Activated Slag Cements: Effect of Alkali Content [conference presentation (unpublished) - intervento a convegno (paper non pubblicato)]. Retrieved from http://hdl.handle.net/10446/152472
Performance and Microstructure of One-Part Alkali Activated Slag Cements: Effect of Alkali Content
Coppola, Luigi;Coffetti, Denny;Crotti, Elena;Pastore, Tommaso
Abstract
Since the last decades, several environmentally friendly binders were investigated to manufacture green mortars and concretes. Among these, ground granulated blast furnace slag (GGBFS) has been successfully used to replace Portland cement in combination with alkaline activators in liquid form. Nevertheless, the alkaline solutions are corrosive, viscous and hazardous. For this reason, the development of one-part alkali-activated binders, where only a dry blend of precursors and activators in powder form is used in addition to water, is needed. The aim of this research is to evaluate the influence of the alkali content (Ac) on the microstructure and the performance of one-part alkali-activated slag pastes.File | Dimensione del file | Formato | |
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