International Journal of Concrete Structures and Materials

Korea Concrete Institute (한국콘크리트학회)
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Joint Shear Behavior Prediction for RC Beam-Column Connections

  • LaFave, James M. (Dept. of Civil and Environmental Engineering, University of Illinois at Urbana-Champaign) ;
  • Kim, Jae-Hong (Bridge and Structures of Samsung C&T Corporation, Samsung C&T Corp.)
  • Received : 2011.02.26
  • Accepted : 2011.05.31
  • Published : 2011.06.30
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Abstract

An extensive database has been constructed of reinforced concrete (RC) beam-column connection tests subjected to cyclic lateral loading. All cases within the database experienced joint shear failure, either in conjunction with or without yielding of longitudinal beam reinforcement. Using the experimental database, envelope curves of joint shear stress vs. joint shear strain behavior have been created by connecting key points such as cracking, yielding, and peak loading. Various prediction approaches for RC joint shear behavior are discussed using the constructed experimental database. RC joint shear strength and deformation models are first presented using the database in conjunction with a Bayesian parameter estimation method, and then a complete model applicable to the full range of RC joint shear behavior is suggested. An RC joint shear prediction model following a U.S. standard is next summarized and evaluated. Finally, a particular joint shear prediction model using basic joint shear resistance mechanisms is described and for the first time critically assessed.

Keywords

References

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