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http://dx.doi.org/10.5345/JKIBC.2019.19.6.477

Experimental Study on the Development of EMP Shielded Concrete Using Industrial By-products  

Min, Tae-Beom (R&D Center, Sungshin Cement)
Kim, Hyeong-Cheol (R&D Center, Sungshin Cement)
Choi, Hyun-Kuk (R&D Center, Sungshin Cement)
Roh, Jeong-Heon (ROKA Nuclear.WMD Protection Research Center)
Kim, Kuk-Joo (Korea Military Academy)
Park, Young-Jun (Korea Military Academy)
Publication Information
Journal of the Korea Institute of Building Construction / v.19, no.6, 2019 , pp. 477-484 More about this Journal
Abstract
The purpose of this study is to present basic data for developing concrete with EMP shielding as the structure materials when constructing an EMP shielded building structure. In order to use metal-based recycled aggregates with excellent conductivity and easy procurement for EMP shielding concrete, an evaluation of the stability evaluation and EMP shielding performance was performed. Through the stability evaluation, it was found that the coarse aggregate stability criterion was satisfied, but the oxidized slag did not satisfy the fine aggregate stability criterion, the oxidized slag is not satisfied. In addition, as a result of fresh concrete, the workability is increased and the air volume is decreased. The compressive strength is increased due to the high density and coarse granularity of the recycled aggregates, which increased the cement paste and adhesion, thereby increasing the compressive strength. The results of an EMP shielding test show that aggregates with high shielding performance are electronic arc furnace(EAF) Oxidizing Slag and Cooper Slag. The shielding performance is expected to increase if the average particle size of aggregate is small or uniformly distributed.
Keywords
concrete; industrial by-product; electromagnetic pulse shielding; slag;
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Times Cited By KSCI : 4  (Citation Analysis)
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