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Computers and Concrete
  Volume 12, Number 4, October 2013, pages 393-411
DOI: http://dx.doi.org/10.12989/cac.2013.12.4.393
 


Influence of shear deformation of exterior beam-column joints on the quasi-static behavior of RC framed structures
Ricardo J.T. Costa, Fernando C.T. Gomes, Paulo M.M.P. Providência and Alfredo M.P.G. Dias

 
Abstract
    In the analysis and design of reinforced concrete frames beam-column joints are sometimes assumed as rigid. This simplifying assumption can be unsafe because it is likely to affect the distributions of internal forces and moments, reduce drift and increase the overall load-carrying capacity of the frame. This study is concerned with the relevance of shear deformation of beam-column joints, in particular of exterior ones, on the quasi-static behavior of regular reinforced concrete sway frames. The included parametric studies of a simple sub-frame model reveal that the quasi-static monotonic behavior of unbraced regular reinforced concrete frames is prone to be significantly affected by the deformation of beam-column joints.
 
Key Words
    reinforced concrete beam-column joints; joint shear deformation, quasi-static monotonic behavior; non-linear analysis; sway rc framed structures
 
Address
Ricardo J.T. Costa, Paulo M.M.P. Providência and Alfredo M.P.G. Dias: Department of Civil Engineering, FCTUC - Polo II, University of Coimbra, Rua Luís Reis Santos,
3030-788 Coimbra, Portugal
Fernando C.T. Gomes: Department of Technology, ESTGOH, Oliveira do Hospital, Portugal
Paulo M.M.P. Providência: NESC Coimbra, Rua Antero de Quental 199, 3000-033 Coimbra, Portugal
 

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