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

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 133.75㎏ 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.

Suggestion on the Prototype of the Korean Barriers through the Investigation and Modeling of RC Protective Installments in Contact Areas

“…뿐만 아니 라, 설계 기초자료 부족으로 일부에서는 옹벽 설계도서를 준용하여 방호벽을 구축하는 사례도 있었다 [7]. 또한, 폭발 물의 접촉폭발에 따른 폭압ㆍ관통ㆍ파편 등을 전반적으로 고려해야하는 방호벽은 폭발물의 지근폭발에 따른 폭압만 을 고려하는 UFC에서의 방호벽의 설계요구조건과 근본적 인 차이가 있을 수밖에 없다 [8,9,10].…”