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Structural Engineering and Mechanics
  Volume 40, Number 6, December25 2011, pages 867-883
DOI: http://dx.doi.org/10.12989/sem.2011.40.6.867
 


Behavior of exterior reinforced concrete beam-column joints including a new reinforcement
Matthew J. Fisher and Halil Sezen

 
Abstract
    Six reinforced concrete beam-column joint specimens were constructed and tested under reverse cyclic loading to failure. The six specimens were divided into three groups, each group representing a different joint design. The main objectives of this study are to investigate the response of joints with three different design, reinforcement detailing and beam strengths, and to evaluate and compare the responses of beam-column joints reinforced with traditional steel rebar and a recently proposed steel reinforcement called prefabricated cage system (PCS). Each of the three test specimen designs included equivalent amount of steel reinforcement and had virtually identical details. The results of the research show that the PCS reinforced joints had a slightly higher strength and significantly larger deformation capacity than the equivalent rebar reinforced joints.
 
Key Words
    beam-column joints; steel reinforcement; reinforced concrete; shear failure
 
Address
Matthew J. Fishe: URS Corporation, Cleveland, Ohio, USA
Halil Sezen: Department of Civil and Environmental Engineering and Geodetic Science, The Ohio State University, Columbus, Ohio, USA
 

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