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http://dx.doi.org/10.1007/s40069-012-0011-2

Structural Performance of Reinforced Concrete Flat Plate Buildings Subjected to Fire  

George, Sara J. (Department of Civil and Environmental Engineering and Construction, University of Nevada Las Vegas)
Tian, Ying (Department of Civil and Environmental Engineering and Construction, University of Nevada Las Vegas)
Publication Information
International Journal of Concrete Structures and Materials / v.6, no.2, 2012 , pp. 111-121 More about this Journal
Abstract
The research presented in this paper analytically examines the fire performance of flat plate buildings. The modeling parameters for the mechanical and thermal properties of materials are calibrated from relevant test data to minimize the uncertainties involved in analysis. The calibrated models are then adopted to perform a nonlinear finite element simulation on a flat plate building subjected to fire. The analysis examines the characteristics of slab deflection, in-plane deformation, membrane force, bending moment redistribution, and slab rotational deformation near the supporting columns. The numerical simulation enables the understanding of structural performance of flat plate under elevated temperature and, more importantly, identifies the high risk of punching failure at slab-column connections that may trigger large-scale failure in flat plate structures.
Keywords
elevated temperature; fire; flat plate; punching shear; slab;
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