Progressive Collapse Mechanism of Steel Framed-Structures Subjected to a Middle-Column Loss
Abstract:This paper analytically deals with the collapse resistance of steel framed -structures due to a middle column loss. The fourstage resistance-displacement relationships are proposed for both the bare steel frame and the braced steel frame. The reliability of the analytical method is verified against numerical analyses. Parametric studies are conducted to investigate the effects of frame height, span and stiffness ratio of beam to column on the collapse resistance of the frame. It is concluded that the yielding … Show more
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