Influence of activator type and slag volume fraction on properties of alkali-activated slag pastes
نویسندگان
چکیده
Abstract Alkali-activated systems belong to the group of alternative inorganic binders in which binder properties are dictated by both aluminosilicate precursor and alkaline activator. In this work, blast furnace slag three different activators, namely sodium hydroxide, water glass, carbonate, were selected. An innovative mixture design based on same concentration alkali (Na + ) 4 mol/dm 3 for all activators volume fractions pastes, ranging from 0.44 0.54, was investigated flow table test, compressive flexural strength a shrinkage test under autogenous conditions. Great differences various parameters obtained. The highest fluidity, regardless fraction slag, observed originating greatly decreased yield stress compared two other activators. type activator also played crucial role development strength.
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ژورنال
عنوان ژورنال: Journal of physics
سال: 2022
ISSN: ['0022-3700', '1747-3721', '0368-3508', '1747-3713']
DOI: https://doi.org/10.1088/1742-6596/2341/1/012013