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http://dx.doi.org/10.5389/KSAE.2022.64.4.065

Strength Evaluation of Concrete Containing Ferronickel Slag Aggregate  

Choi, Min Guen (Major in Agricultural Civil Engineering, School of Agricultural Civil & Bio-Industrial Engineering, Kyungpook National University)
Son, Jin-Su (Major in Agricultural Civil Engineering, School of Agricultural Civil & Bio-Industrial Engineering, Kyungpook National University)
Cho, Bong suk (RIST Resources Recycling Cell)
Lee, Jin-Young (School of Agricultural Civil & Bio-Industrial Engineering, Kyungpook National University)
Publication Information
Journal of The Korean Society of Agricultural Engineers / v.64, no.4, 2022 , pp. 65-72 More about this Journal
Abstract
For sustainable development in the construction industry, blast furnace slag has been used as a substitute for cement in concrete. In contrast, ferronickel slag, which is the by-product generated during smelting to ferronickel used in the manufacturing of stainless steel and nickel alloys, has a limitation to use as a binder and an aggregate due to its expansive characteristics. Recently, stabilization technology of ferronickel slag has been improved and studies have been carried out to utilize ferronicke slag as fine aggregate in concrete. Therefore, in this study, basic mechanical properties of concrete used in ferronickel slag aggregate was evaluated. The compressive strength (24, 30, 40 MPa) and replacement rate of ferronickel slag aggregate (0, 10, 25, 50%) were considered as experimental variables. As a result of test, concrete replaced fine aggregate with 25% ferronickel slag aggregate showed superior performance in the compressive strength and flexural strength.
Keywords
Ferronickel Slag aggregate; slag concrete; compressive strength; flexural strength;
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Times Cited By KSCI : 4  (Citation Analysis)
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