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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Analysis of a Possible Progressive Failure in a Moment Resisting Steel Frame Building with RC Floors and Exterior RC Curtain Wall Panels
Author(s): Vladimir I. Yagust and David Z. Yankelevsky
Publication: Special Publication
Appears on pages(s): 1-28
Keywords: building stability, curtain wall panels, failure mechanisms, initial local failure, kinematic methods, progressive failure
Abstract:This paper deals with a moment resisting steel frames building with reinforced concrete monolithic or precast floors and precast reinforced concrete exterior curtain wall panels. It examines the building's stability against the possible development of a progressive failure that follows an initial local failure (ILF), such as a collapse of a single column and the adjacent walls. It is assumed that the building has survived the short term ILF failure event and the analysis is focused on the residual strength and stability of the damaged building under static conditions due to both the dead and live loads acting on its floors.
The proposed analysis employs the kinematical method of the limit equilibrium theory of plastic systems, and examines major possible kinematic schemes of plastic collapse of the frame above the locus of ILF at the facade of the building, taking into account the plastic failure of the different structural members.
The overall stability of the building under a given failure scheme is examined by comparison of the work done by the internal generalized forces in the plastic hinges on corresponding generalized displacements due to a virtual kinematic downward displacement with the work done by the external forces on corresponding displacements resulting from the same virtual kinematic displacement of the supporting building elements above ILF.
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