Factors affecting the strength of alkali-activated slag

Journal Article · Sat Jan 01 04:00:00 EST 1994 · Cement and Concrete Research; (United States)

DOI:https://doi.org/10.1016/0008-8846(94)90026-4· OSTI ID:7152608

Wang, S D; Scrivener, K L; Pratt, P L ^[1]

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1. Univ. of London (United Kingdom). Dept. of Materials

The effect of several factors on the strength of alkali activated slags has been investigated. The most important factors were found to be: the type of alkaline activator, the means of adding activator, the dosage of alkali, the type and fineness of slag, SiO[sub 2]/Na[sub 2]O ratio (modulus, Ms) when using waterglass solution, curing temperature, liquid/slag or water/slag ratio and additive. Some of these factors are interdependent and the effect of changing more than one is usually not additive. The optimum range for each factor is suggested through reviewing previous work and their recent results of a full factorial range strength study. The interaction of factors is considered and discussed throughout the paper, hoping to gain a better understanding of the processing of alkali-activated slag (AAS) cement and concrete.

• OSTI ID: 7152608
• Journal Information: Cement and Concrete Research; (United States), Journal Name: Cement and Concrete Research; (United States) Journal Issue: 6 Vol. 24:6; ISSN 0008-8846; ISSN CCNRAI
• Country of Publication: United States
• Language: English

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