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논문 기본 정보

자료유형
학술저널
저자정보
노인식 (충남대학교) 박만재 (한국선급) 조윤식 (국방과학연구소)
저널정보
대한조선학회 대한조선학회 논문집 대한조선학회논문집 제55권 제5호(통권 제221호)
발행연도
2018.10
수록면
371 - 378 (8page)
DOI
10.3744/SNAK.2018.55.5.371

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초록· 키워드

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Internal detonation of a warhead inside a compartment of naval vessel can result in serious blast damages including plastic deformation and rupture of the structural members especially bulkhead due to the huge explosive impact pressure, fragments and high temperature flame. To secure watertight integrity and to prevent the domino-type flooding of neighbouring compartments caused by the rupture of bulkheads, it is necessary to develop the structural design technology of Blast Hardened Bulkheads(BHB) which can resist the blast impact pressure of threatening weapons to increase the survivability of naval vessels. This study dealt with the simplified structural response analysis of BHB under impact pressure of confined explosion and aimed to develop the efficient and rational design method of BHB and joint structures which can be applied at initial design stage. The present 1st report dealt with the phenomena of explosive detonation surveying the preceding experimental/theoretical research and the characteristics of time history of blast pressure including the peak value and duration time were examined. And to predict the large plastic deformation behaviors of BHB by the huge blast pressure reasonably, the plastic hinge method including the membrane effects was formulated. It was applied to the simplified structural design equations. The following report will deal with the application and adjustment process of the structural scantling equations to the actual BHB design and verification of validity of them.

목차

1. 서론
2. 내부폭발 압력의 추정
3. 폭발강화격벽 구조 거동의 간이 해석법
4. 폭발 강화 격벽 구조 설계식
5. 결언
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UCI(KEPA) : I410-ECN-0101-2018-538-003566372