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http://dx.doi.org/10.5345/JKIBC.2018.18.6.551

An Experimental Study on the Setting Time and Compressive strength of Mortar using Ferronickel Slag Powder  

Kim, Young-Uk (Department of Architectural Engineering, Wonkwang University)
Kim, Do-Bin (Department of Architectural Engineering, Wonkwang University)
Choi, Se-Jin (Department of Architectural Engineering, Wonkwang University)
Publication Information
Journal of the Korea Institute of Building Construction / v.18, no.6, 2018 , pp. 551-558 More about this Journal
Abstract
This study evaluate the fluidity and hardening properties of mortar by replacement ratio of ferronickel slag powder to estimate the applicability of ferronickel slag powder for cement replacement materials. Ferronickel slag powder was replaced by 0, 5, 10, 15 and 20% of the cement weight. In addition, blast furnace slag powder and fly ash were also used for comparing with the mixtures using ferronickel slag powder. As the test results, the micro-hydration heat of the mixture containing the ferronickel slag powder was lower than that of the mixtures containing the same amount of blast furnace slag powder and fly ash. The flow of the sample with ferronickel slag powder was relatively higher than the other mixtures. In all ages, the compressive strength of the mixture with ferronickel slag powder and fly ash was similar to that of the mix containing only fly ash. In case of drying shrinkage, the mixture containing ferronickel slag powder exhibited lower drying shrinkage than the mixture using blast furnace slag powder, and similar to the mixture containing fly ash.
Keywords
ferronickel slag powder; microhydration heat; drying shrinkage; blast furnace slag powder; fly ash;
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