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Journal of the Korea Institute of Military Science and Technology 2007;10(2):69-75.
An Assessment for Anti-piercing Designs of RC Slabs against Small Caliber Bullets
Suk-Bong Kim, Young-Chul Kang, Jong-Chan Lee, Sang-Ho Baek, Young-Jun Park
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소구경 탄자에 대한 철근콘크리트 슬래브의 관입저항력 평가
김석봉, 강영철, 이종찬, 백상호, 박영준
1육군사관학교 토목환경학과
2화랑대 연구소 군 방호시설 특화연구실
Abstract
So far, anti-piercing depths for concrete slabs have been determined using Conventional Weapon's Effects Program(CONWEP) that was developed by the U. S. Army's Corps of Engineering. However, it has been suggested by a number of field officers that the values computed by CONWEP tend to be too high for protective facilities used in small military units and that indiscriminate application of these values to such facilities would lead to uneconomical penetration-proof designs. In this study, gunshots onto RC slabs were carried out using KM80 bullets in order to measure the piercing depths. The observed depths and the depths offered by the CONWEP system differed greatly from each other by up to 119 centimeters. Based on the depth values obtained through this experiment, we have proposed a new equation to calculate effective anti-piercing depths for RC slabs against small caliber bullets.
Key Words: Piercing-depth, Small Caliber Bullet, Correlation Analysis, Regression Analysis, Concrete Slabs
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