Numerical Study on the Fire Damaged Reinforced Concrete Building Structures Considering Influencing Fire Case and Parameters of Columns 


Vol. 37,  No. 4, pp. 101-112, Aug.  2022
10.14346/JKOSOS.2022.37.4.101


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  Abstract

Expanding urbanization practices result in high numbers of buildings being developed in city centers. This high building concentration leads to an increased fire risk, resulting in higher casualty rates and increased economic damages compared to fires in the past. The purpose of this study was to analyze the structural behavior of fire-damaged reinforced concrete buildings using analytical methods and to suggest methods of improving fire resistance in the event of a fire. Damage levels were measured using commercial software to apply the finite element method, ABAQUS, and MIDAS GEN to the dataset. Load-deflection curves were calculated using the effective area and moment of inertia of the fire-damaged columns provided by ABAQUS. The results of this analysis indicate that fire-damaged beams with experience greater deflection from indoor fires than they will from outdoor fires. Fires that occurred on the middle floors were more dangerous than those occurring on higher floors, and eccentrically loaded columns experienced more damage than axially loaded columns. The results indicate that these methods accurately predict structural behaviors of fire damaged concrete columns by considering fire exposure area and eccentric loading.

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  Cite this article

[IEEE Style]

서연우 and 손희주, "Numerical Study on the Fire Damaged Reinforced Concrete Building Structures Considering Influencing Fire Case and Parameters of Columns," Journal of the Korean Society of Safety, vol. 37, no. 4, pp. 101-112, 2022. DOI: 10.14346/JKOSOS.2022.37.4.101.

[ACM Style]

서연우 and 손희주. 2022. Numerical Study on the Fire Damaged Reinforced Concrete Building Structures Considering Influencing Fire Case and Parameters of Columns. Journal of the Korean Society of Safety, 37, 4, (2022), 101-112. DOI: 10.14346/JKOSOS.2022.37.4.101.

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