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Computers and Concrete Volume 17, Number 2, February 2016 , pages 281-294 DOI: https://doi.org/10.12989/cac.2016.17.2.281 |
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Effect of fiber geometry on the electromagnetic shielding performance of mortar |
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Young Jun Kim, Dinberu M. Yemam, Baek-Joong Kim and Chongku Yi
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| Abstract | ||
| The increased awareness of electromagnetic wave hazards has prompted studies on electromagnetic shielding using conductive materials in the construction industry. Previous studies have explored the effects of the types of conductive materials and their mix proportions on the electromagnetic shielding performance; however, there has been insufficient research on the effect of the geometry of the conductive materials on the electromagnetic shielding performance. Therefore, in this study, the dependence of the electromagnetic shielding performance on the cross-sectional geometry, diameter and length of fibers was investigated. The results showed that the electromagnetic shielding performance improved when the fiber length increased or the diameter decreased, but the effect of the cross-sectional geometry of the fibers was smaller than the effect of the fiber spacing factor. | ||
| Key Words | ||
| electromagnetic wave; shielding effectiveness; metal fiber; geometry; spacing factor | ||
| Address | ||
| Young Jun Kim, Dinberu M. Yemam, Baek-Joong Kim and Chongku Yi:School of Civil, Environmental and Architectural Engineering, Korea University 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea | ||