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Contents 1

Fire resistance characteristics of firewall structure associated with impact damage induced by explosion / Hye Rim Cho ; Jeong Hwa Yoo ; Jung Kwan Seo 1

ABSTRACT 1

1. Introduction 1

2. Fire Resistance Analysis Procedure of Firewall Considering Explosive Effect 2

3. Example of Application 3

3.1. Target Structure 3

3.2. Scenarios Selection 3

3.3. Impact Analysis by Explosive Fragment 5

3.4. Thermal-Structural Response Analysis 6

3.5. Result 7

4. Conclusions 10

References 11

초록보기

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.

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Fire resistance characteristics of firewall structure associated with impact damage induced by explosion Hye Rim Cho, Jeong Hwa Yoo, Jung Kwan Seo p. 99-110

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참고문헌 (18건) : 자료제공( 네이버학술정보 )

참고문헌 목록에 대한 테이블로 번호, 참고문헌, 국회도서관 소장유무로 구성되어 있습니다.
번호 참고문헌 국회도서관 소장유무
1 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). 미소장
2 European Committee Standardization. (2005). Eurocode 3: Design of steel structures – Part 1-2: General rules – Structural fire design (BS EN 1993-1-2). 미소장
3 Center for Chemical Process Safety (CCPS). (1999). Guidelines for chemical process quantitative risk analysis (2nd ed.). Wiely. 미소장
4 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://doi.org/10.5574/KSOE.2011.25.3.066 미소장
5 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. 미소장
6 D’Amore, G. K. O., Marino, A., & Kaspar, J. (2020). Numerical modeling of fire resistance test as a tool to design lightweight marine fire doors: A preliminary study. Journal of Marine Science and Engineering, 8(7), 520. https://doi.org/10.3390/jmse8070520 미소장
7 Federal Emergency Management Agency (FEMA). (2006). Risk management series: design guidance for shelters and safe rooms (FEMA 453). FEMA. 미소장
8 International Maritime Organization (IMO). (2002). Chapter II-2 of SOLAS: construction – fire protection, fire detection and fire extinction. 미소장
9 Kim, J. H., Lee, D. H., Ha, Y. C., Kim, B. J., Seo, J. K., & Paik, J. K. (2014). Methods for nonlinear structural response analysis of offshore structures with passive fire protection under fires. Journal of Ocean Engineering and Technology, 28(4), 294–305. https://doi.org/10.5574/KSOE.2014.28.4.294 미소장
10 Livermore Software Technology Corporation (LSTC). (2018). User’s manual for LS-DYNA. LSTC. 미소장
11 Newmark N. M., & Hansen R. J. (1961). Shock and vibration handbook, Vol. 3: design of blast resistant structures. McGraw-Hill. 미소장
12 Paik, J. K., Kim, K. J., Lee, J. H., Jung, B. G., & Kim, S. J. (2017). Test database of the mechanical properties of mild, high-tensile and stainless steel and aluminium alloy associated with cold temperatures and strain rates. Ships and Offshore Structures, 12(sub1), s230–s256. https://doi.org/10.1080/17445302.2016. 1262729 미소장
13 Park, D. K., Kim, J. H., Park, J. S., Ha, Y.C., & Seo, J. K. (2021). Effect of the structural strength of fire protection insulation systems in offshore installations. International Journal of Naval Architecture and Ocean Engineering, 13, 493–510. https://doi.org/10.1016/j.ijnaoe.2021.06.001 미소장
14 Park, W. C., & Song, C. Y. (2019). Heat transfer characteristics of bulkhead penetration piece for A60 class compartment II: Fire resistance test for piece material and insulation types. Journal of Ocean Engineering and Technology, 33(4), 340–349. https://doi.org/10.26748/KSOE.2019.027 미소장
15 Park, W. C., & Song, C. Y. (2021). Evaluation on sensitivity and approximate modeling of fire-resistance performance for A60class deck penetration piece using heat-transfer analysis and fire test. Journal of Ocean Engineering and Technology, 35(2), 141–149. https://doi.org/10.26748/KSOE.2021.012 미소장
16 Seo, J.K., Lee, S.E., Park, J.S. (2017). A method for determining fire accidental loads and its application to thermal response analysis for optimal design of offshore thin-walled structures. Fire Safety Journal, 92,107-121. http://dx.doi.org/10.1016/j.firesaf.2017. 05.022 미소장
17 Transportation Safety Board of Canada (TSB). (2021). Statistical summary: marine transportation occurrences in 2020. Gatineau, Canada: TSB. 미소장
18 U.S. Department of defense. (2007). Department of defense standard practice: fire resistance of U.S. naval surface ships (MIL-STD-3020). 미소장

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