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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2023.6
- 수록면
- 99 - 110 (12page)
이용수
초록· 키워드
오류제보하기
When a fire accident accompanied by an explosion occurs, the surrounding firewalls are affected by impact and thermal loads. Damaged firewalls due to accidental loads may not fully perform their essential function. Therefore, this paper proposes an advanced methodology for evaluating the fire resistance performance of firewalls damaged by explosions. The fragments were assumed to be scattered, and fire occurred as a vehicle exploded in a large compartment of a roll-on/roll-off (RO-RO) vessel. The impact velocity of the fragments was calculated based on the TNT equivalent mass corresponding to the explosion pressure. Damage and thermal-structural response analyses of the firewall were performed using Ansys LS-DYNA code. The fire resistance reduction was analyzed in terms of the temperature difference between fire-exposed and unexposed surfaces, temperature increase rate, and reference temperature arrival time. The degree of damage and the fire resistance performance of the firewalls varied significantly depending on impact loads. When naval ships and RO-RO vessels that carry various explosive substances are designed, it is reasonable to predict that the fire resistance performance will be degraded according to the explosion characteristics of the cargo.
목차
ABSTRACT
1. Introduction
2. Fire Resistance Analysis Procedure of Firewall Considering Explosive Effect
3. Example of Application
4. Conclusions
References
참고문헌 (18)
참고문헌 신청
European Committee Standardization. (2002). Eurocode 1: Actions on structures – Part 1-2: General actions – Actions on structures exposed to fire (BS EN 1991-1-2).
European Committee Standardization. (2005). Eurocode 3: Design of steel structures – Part 1-2: General rules – Structural fire design (BS EN 1993-1-2).
Center for Chemical Process Safety (CCPS). (1999). Guidelines for chemical process quantitative risk analysis (2nd ed.). Wiely.
Choung, J. M., Im, S. W., & Park, R. S. (2011). Plasticity and fracture behaviors of marine structural steel, part IV: Experimental study on mechanical properties at elevated temperatures. Journal of Ocean Engineering and Technology, 25(3), 66–72. https:/
Cowper, G. R., & Symonds, P. S. (1957). Strain-hardening and strain-rate effects in the impact loading of cantilever beams (Technical Report No. 28). Division of Applied Mathematics, Brown University.
European Committee Standardization. (2005). Eurocode 3: Design of steel structures – Part 1-2: General rules – Structural fire design (BS EN 1993-1-2).
Center for Chemical Process Safety (CCPS). (1999). Guidelines for chemical process quantitative risk analysis (2nd ed.). Wiely.
Choung, J. M., Im, S. W., & Park, R. S. (2011). Plasticity and fracture behaviors of marine structural steel, part IV: Experimental study on mechanical properties at elevated temperatures. Journal of Ocean Engineering and Technology, 25(3), 66–72. https:/
Cowper, G. R., & Symonds, P. S. (1957). Strain-hardening and strain-rate effects in the impact loading of cantilever beams (Technical Report No. 28). Division of Applied Mathematics, Brown University.
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