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http://dx.doi.org/10.9711/KTAJ.2019.21.3.377

The evaluation of penetration protective performance using applied element method for reinforced concrete lining  

Joo, Gun-Wook (Agency for Defense Development)
Publication Information
Journal of Korean Tunnelling and Underground Space Association / v.21, no.3, 2019 , pp. 377-396 More about this Journal
Abstract
Explosion after penetration of a warhead in an underground structure generally causes considerable displacement, breakage and extensive damage to the target. Therefore, in order to reduce the damage effect, it is required to design an underground structure protection against penetration. In this study, major factors for improvement of penetration protection performance of reinforced concrete underground structures using applied element method are divided into strength (concrete UCS) and density (concrete thickness, reinforcement layers, reinforcement diameters, reinforcement spacings). Based on these major factors, this study performed numerical analysis of simulation of dynamic response by penetrators under various conditions and analyzed the results. The results of this study are expected to be used as basis materials to improve penetration protection performance of reinforced concrete underground structures.
Keywords
Penetration; Protective design; Reinforced concrete underground structure; AEM(Applied element method); ELS(Extreme loading for structure);
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Times Cited By KSCI : 1  (Citation Analysis)
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