FE Analysis on the Structural Behavior of Reinforced Concrete Beam Damaged by Fire

Abstract:

This paper presents an analytical result about strength deterioration of reinforced concrete (RC) beams due to damage by fire. For the evaluation of the result, three RC beam specimens were made and two of those were exposed to fire. And then beam test was performed for those including non-heated specimen to evaluate the strength deterioration due to the fire damage under simple support condition. Strength decrease of materials due to the fire was evaluated through material test for concrete and reinforcements, respectively. Nonlinear Finite element (FE) analysis was performed by considering the decrease of materials due to fire. The analysis results showed that the structural behavior of fire-damaged RC beam was able to be simulated by using FE analysis with consideration of the reduction of material capacity due to fire.

• Periodical: Applied Mechanics and Materials (Volumes 351-352)
• Pages: 743-746
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.351-352.743
• Online since: August 2013
• Authors: Soo Yeon Seo, Yu Gun Chung*
• Keywords: Beam Test, Damage, Finite Element Analysis (FEA), Fire, Reinforced Concrete (RC)

References

[1] Eurocode 2, Design of Concrete Structures, ENV 1992-1-2: General Rule-Structural Fire Design, European Committee for Standardization, Brussels, Belguim (1992).

[2] ACI Committee 216, Code Requirements for Determining Fire Resistance of Concrete and Masonry Construction Assemblies, American Concrete Institute (2007).