Journal ArticleDOI
Performance-based Fire Safety Design of Reinforced Concrete Beams:
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TLDR
In this paper, a numerical model is presented for tracing the fire behavior of reinforced concrete (RC) beams over the entire range of loading from pre-fire conditions to collapse under fire.Abstract:
A numerical model, in the form of a computer program, is presented for tracing the fire behavior of reinforced concrete (RC) beams over the entire range of loading from pre-fire conditions to collapse under fire. The three stages associated with the analysis of fire resistance; namely, establishing the fire temperature-time development, calculating the heat transfer through the structure from the fire, and the structural analysis are explained. The model, which accounts for nonlinear material properties at elevated temperatures, is capable of predicting the fire resistance of RC beams under realistic fire scenarios, load levels, and failure criteria. The validity of the numerical model is established by comparing the predictions from the computer program with results from full-scale fire resistance tests. Through the results of numerical study, it is shown that the type of failure criterion, load level, and fire scenario have significant influence on fire resistance of RC beams. The computer program can be used to undertake performance-based fire safety design of RC beams for any value of the significant parameters, such as fire exposure, concrete cover thickness, section dimensions, concrete strength, concrete type, and load intensity.read more
Citations
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Journal ArticleDOI
A numerical model for predicting the fire resistance of reinforced concrete beams
TL;DR: In this article, a numerical model, in the form of a computer program, for tracing the behavior of reinforced concrete (RC) beams exposed to fire is presented, in which three stages associated with the numerical procedure for evaluating fire resistance of RC beams; namely, fire temperature calculation, thermal analysis and strength analysis are explained.
Journal ArticleDOI
Finite element modeling of reinforced concrete beams exposed to fire
TL;DR: In this paper, a 3D finite element (FE) model for the accurate prediction of both the thermal and the mechanical behavior of reinforced concrete (RC) beams exposed to fire is presented.
Journal ArticleDOI
Response of Restrained Concrete Beams under Design Fire Exposure
TL;DR: In this article, fire resistance experiments on six RC beams are presented, and data from the tests is used to validate a macroscopic finite-element model specifically developed for tracing the fire response of RC beams.
Journal ArticleDOI
A numerical approach for modeling the fire induced restraint effects in reinforced concrete beams
TL;DR: In this article, a model to predict the influence of fire induced restraints on the fire resistance of reinforced concrete (RC) beams is presented, and three stages associated with the fire growth, thermal and structural analysis, for the calculation of fire resistances of the RC beams are explained.
Journal ArticleDOI
Fire Induced Spalling in High Strength Concrete Beams
TL;DR: In this paper, a macroscopic finite element model is extended to account for fire induced spalling in high strength concrete (HSC) beams, which is based on the principles of mechanics and thermodynamics.
References
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BookDOI
Minimum Design Loads for Buildings and Other Structures
TL;DR: Minimum Design Loads for Buildings and Other Structures as mentioned in this paper gives the latest consensus requirements for dead, live, soil, flood, wind, snow, rain, ice, and earthquake loads.
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Structural Design for Fire Safety
TL;DR: In this article, the authors present a conceptual framework for fire safety in buildings based on fire safety objectives process of fire development, fire severity and fire severity standard fire equivalent fire severity.
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Structural fire protection
TL;DR: In this article, the authors present a Manual of Practice for Structural Fire Protection, which provides information on current techniques and developments to improve fire safety in buildings, as well as a review of existing fire safety guidelines.
Journal ArticleDOI
Predicting the fire resistance behaviour of high strength concrete columns
TL;DR: In this paper, a numerical model, in the form of a computer program, for tracing the behavior of high performance concrete (HPC) columns exposed to fire is presented. But the model is limited to the case of HPC columns and cannot be used to predict the fire resistance of any value of the significant parameters, such as load, section dimensions, fiber reinforcement, column length, concrete strength, aggregate type, and fiber reinforcement.
Proceedings ArticleDOI
Spalling in High Strength Concrete Exposed to Fire: Concerns, Causes, Critical Parameters and Cures
TL;DR: In this paper, the authors discuss the various issues relating to spalling and its impact on fire resistance in high strength concrete (HSC) structural members and design solutions (cures) to minimize spalling in HSC structural members.