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http://dx.doi.org/10.7734/COSEIK.2014.27.1.27

Analytical Study on Effect of Floor Slab for Progressive Collapse Resistant Capacity of Steel Moment Frames  

Kim, Seonwoong (Daewoo Institute of Construction and Technology)
Publication Information
Journal of the Computational Structural Engineering Institute of Korea / v.27, no.1, 2014 , pp. 27-35 More about this Journal
Abstract
In this study, an improved energy-based nonlinear static analysis method are proposed to be used for more accurate evaluation of progressive collapse potential of steel moment frames by reflecting the contribution of a double-span floor slab. To this end, the behavior of the double-span floor slab was first investigated by performing material and geometric nonlinear finite element analysis. A simplified energy-absorbed analytical model by idealizing the deformed shape of the double-span floor slab was developed. It is shown that the proposed model can easily be utilized for modeling the axial tensile force and strain energy response of the double-span floor slab under the column-removal scenario.
Keywords
Progressive collapse; floor slab; finite element analysis; axial tensile force; simplified method;
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