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http://dx.doi.org/10.5345/JKIBC.2019.19.4.323

Physical Characteristics of Concrete Using High-Fineness Cement and Fly Ash  

Lee, Young-Do (Department of Architectural Engineering, Kyungdong University)
Ha, Jung-Soo (Department of Architectural Engineering, Dankook University)
Kim, Han-Sic (Samsung C&T)
Publication Information
Journal of the Korea Institute of Building Construction / v.19, no.4, 2019 , pp. 323-330 More about this Journal
Abstract
The cement industry is considered a major industry for reducing greenhouse gases, increasing the amount of binding materials that can replace cement in concrete is known as the most effective method for reducing carbon dioxide. Therefore, research is being carried out to utilize large quantities of by-products that can be used as alternatives to cement. However, there are problems with reduced strength at early age and retarded setting for major reasons that do not increase the amount of mixture of binders used to replace cement. Thus, in this study, normal cement and high-fineness cement were used and physical properties were reviewed by placing differences in fly ash usage depending on the type of cement. As a result, the characteristics of strength were similar, and the hydration temperature was the same level. Also, the durability test showed that the length change, carbonation resistance were better than those of normal cement. Therefore, it is confirmed that the use of high-fineness cement is effective to reduce the amount of cement used and using more by-products.
Keywords
high-fineness cement; fly ash; strength development; durability;
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Times Cited By KSCI : 2  (Citation Analysis)
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