Journal ArticleDOI
Fully coupled multi-physics nonlinear analysis of structural space frames subjected to fire using the direct stiffness method
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In this paper, a fully coupled hydro-thermo-mechanical formulation based on the direct stiffness method for analysis of steel and reinforced concrete structural space frames was developed for space frames.Abstract:
This article develops a fully coupled hydro-thermo-mechanical formulation based on the direct stiffness method for analysis of steel and reinforced concrete structural space frames. The superiority...read more
Citations
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Journal ArticleDOI
Computational analysis of reinforced concrete structures subjected to fire using a multilayered finite element formulation
TL;DR: In this article, an approach using corotational layered beam is proposed to mitigate fire risk in reinforced concrete (RC) structures and appropriate structural resistance against it has to be ensured.
Journal ArticleDOI
Probabilistic investigation of reinforced concrete structures under fire loading accounting for material and geometric uncertainties
Batoma Sosso,Peter Berke +1 more
TL;DR: In this paper , the sensitivity of reinforced concrete structures under fire loading was investigated using a relatively low cost 2D corotational layered beam finite element in a reduced latin hypercube sampling framework.
References
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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.
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
Towards prediction of the thermal spalling risk through a multi-phase porous media model of concrete
TL;DR: In this paper, a mathematical model of hygrothermo-chemo-mechanical phenomena in heated concrete is presented, and different simplified models of thermal spalling are used to define special indexes, aiming for quantitative assessment of its risk.
Journal ArticleDOI
Finite element analysis of coupled heat and moisture transfer in concrete subjected to fire
TL;DR: In this article, a system of coupled transient differential equations governing heat, mass transfer, and pore pressure built up in porous media (concrete), subjected to intensive heating, is derived.