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Structural Engineering and Mechanics
  Volume 38, Number 2, April25 2011 , pages 231-247
DOI: https://doi.org/10.12989/sem.2011.38.2.231
 


A load increment method for ductile reinforced concrete (RC) frame structures considering strain hardening effects
M. Gunhan Aksoylu and Konuralp Girgin

 
Abstract
    This study introduces a new load increment method for the ductile reinforced concrete (RC) frame structures by including strain-hardening effects. The proposed method is a nonlinear static analysis technique employed for RC frame structures subjected to constant gravity loads and monotonically increasing lateral loads. The material nonlinearity in RC structural elements is considered by adopting plastic hinge concept which is extended by including the strain hardening as well as interaction between bending moment and axial force. Geometric non-linearity, known as second order effect, is implemented to the method as well.
 
Key Words
    RC frames; strain-hardening; load increment method; seismic evaluation; non-linear static analysis; second-order effect.
 
Address
M. Gunhan Aksoylu and Konuralp Girgin: Department of Civil Engineering, Istanbul Technical University, 34469, Maslak, Istanbul, Turkey
 

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