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Title |
Evaluation of Reinforced Concrete Beam's Inelastic Behavior Characteristics using Beam-column Fiber Finite Element considering Shear Deformation Effect
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Authors |
천주현(Ju-Hyun Cheon) ; 황철성(Chul-Sung Hwang) ; 박광민(Kwang-Min Park) ; 신현목(Hyun-Mock Shin) |
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DOI |
https://doi.org/10.11112/jksmi.2017.21.3.130 |
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Keywords |
유연도법 ; 보-기둥 섬유요소 ; 전단파괴 ; 비선형 유한요소해석 ; RCAHEST Flexibility method ; Beam-column fiber element ; shear failure ; Nonlinear finite element analysis ; RCAHEST |
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Abstract |
The purpose of this study is to provide a reasonable analytical method for the reinforced concrete beams which shows failure mode of shear and flexure-shear by proposing a modified formulation to consider the effect of shear deformation on the beam-column fiber element based on the flexibility method and a new constitutive law of inelastic shear response history for the section. A total of 6 specimens of reinforced concrete beams which is designed to cause shear failure before yielding longitudinal reinforcement to investigate the influence of the main experimental variables on the shear behavior characteristics and the analysis was performed by using a non-linear finite element analysis program (RCAHEST) applying the newly modified constitutive equation by the authors. The failure mode and the overall behavior characteristics until fracture are predicted appropriately for all specimens and the results are expected to be useful enough for the 3 - D analysis to carry out reliable results of large-scale and complicated structures in the future.
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