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Journal of the Korean Institute of Illuminating and Electrical Installation Engineers

ISO Journal TitleJ Korean Inst. IIIum. Electr. Install. Eng.
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Title Experimental Verification on the Use of Steelwork as a Down-Conductor in Lightning Protection System
Authors Ki-Hong Lee
DOI http://dx.doi.org/10.5207/JIEIE.2011.25.9.094
Page pp.94-99
ISSN 1225-1135
Keywords Steelwork ; Reinforced Concrete ; Lightning Protection System ; Down-Conductor System
Abstract This paper verified the characteristics of electrical continuity and mechanical strength of steelwork required to use it as a down-conductor in lightning protection system. It was proven that the steelwork in reinforced concrete apartment has an excellent electrical continuity with low resistance(less than 0.2[Ω].). But it was confirmed that a poor connection between two reinforcement bars can easily cause serious damages of the concrete even with the impulsive current of 50[㎄], 10/350[㎲]. These results of experiments mean that the additional measures are necessary in using the steelwork as the down-conductor of the lightning protection system.