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http://dx.doi.org/10.5345/JKIBC.2014.14.6.615

The Design and Protective Capacity Assessment of the Prefabricated PC Arch Ammo Magazines  

Park, Jang-Kweon (Department of Architectural and Urban Engineering, Daejin University)
Lim, Chul-Won (Freyssinet Korea Inc.)
Ryu, Dong-Woo (Department of Architectural and Urban Engineering, Daejin University)
Son, Ki-Young (School of Architecture, University of Ulsan)
Baek, Jong-Hyuk (Korea Research Institute for Military Installations)
Park, Young-Jun (Department of Civil Engineering and Environmental Sciences, Korea Military Academy)
Publication Information
Journal of the Korea Institute of Building Construction / v.14, no.6, 2014 , pp. 615-621 More about this Journal
Abstract
This study suggests the design and assembly drawing of the prefabricated precast concrete arch ammo magazines using the numerical analysis as well as the explosion verification test. The protective capacity of the proposed magazines is identified with the maximum support rotation angles measured by explosion verification tests according to the U.S. Unified Facility Criteria 3-340-02. Using numerical analysis, it is examined that oval-type members are better than the semi-circle ones in terms of protective capacity. Based on this numerical results, the design and assemble drawing for the prefabricated precast concrete arch ammo magazine are developed. It is identified that the structure constructed by invented design and assembly drawing has enough protective capacity against blast pressure caused by 133.75kg TNT explosion. The detonation point cannot be open due to the military security. In sum, it could be concluded that the ammo magazine proposed in this study has reliable protective capacity with enough redundancy. The redundancy means that there are more economic design approach with reducing the curved wall thickness.
Keywords
arch ammo magazine; prefabricated precast concrete; explosion verification test; protection capacity; cube-root scaling; rotation angle;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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