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http://dx.doi.org/10.5762/KAIS.2015.16.5.3511

Reduction of Drying Shrinkage of Mortar and Concrete by Expansion of Rapid Cooling Slag Fine Aggregate  

Lee, Dong-Gyu (Research Institute for Engineering & Technology, Chungcheong University)
Min, Kyung-Hwan (Research Institute for Engineering & Technology, Chungcheong University)
Jeong, Yong-Wook (Advenced Construction Materials Testing Center, Keimyung University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.16, no.5, 2015 , pp. 3511-3517 More about this Journal
Abstract
It is necessary to maximize the durability of Concrete for the underground structure because its maintenance and reinforcement are difficult. For cracks due to drying shrinkage of the concrete on the characteristics of the material, there is a need for an alternative in the deterioration phenomenon that occurs. In this study, fundamental properties including drying shrinkage of mortar and concrete were investigated to replace fine aggregate from cooling slag for reducing drying shrinkage of mortar and concrete. In the case of rapid cooling slag fine aggregate, it was effective to reduce and restrain initial shrinkage of mortar and concrete, and compressive strength was increased through the all specimen in proportion to its replacement ratio.
Keywords
Drying shrinkage; Dtying shrinkag length change; Expansive admixture; Fine aggregate from rapid cooling slag; Shrinkage reducing agent;
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  • Reference
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