Journal
MATERIALS & DESIGN
Volume 53, Issue -, Pages 1005-1025Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.matdes.2013.07.074
Keywords
Alkali-activated fly ash; Fibers; Admixtures; Additives
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The development of new binders, as an alternative to Portland cement (PC), by alkaline activation, is a current researchers interest. Alkali-activated fly ash (AAFA) binder is obtained by a manufacturing process less energy-intensive than PC and involves lower greenhouse gasses emission. Utilizing AAFA system as binder material can limit the consumption of virgin materials (limestone and sand) required in PC manufacture. AAFA belongs to be prospective material in the field of Civil Engineering where it can resist aggressive acids, resist sulfate attacks, resist aggregate alkali reaction, and resist elevated temperatures. Researchers have employed different fibers, chemical admixtures, mineral admixtures, additives and other materials in AAFA system aiming to modify special properties of this system. This paper presents a comprehensive overview of the previous works carried out on using different admixtures and additives in AAFA system. (C) 2013 Elsevier Ltd. All rights reserved.
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