Structural Engineering and Mechanics

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Numerical modeling for cyclic crack bridging behavior of fiber reinforced cementitious composites

  • Shin, Kyung-Joon (Department of Civil Engineering Seoul National University) ;
  • Lee, Kwang-Myong (Department of Civil and Environmental Engineering SungKyunKwan University) ;
  • Chang, Sung-Pil (Department of Civil Engineering Seoul National University)
  • Received : 2007.08.09
  • Accepted : 2008.08.08
  • Published : 2008.09.30
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Abstract

Recently, many researches have been done to examine the behavior of fiber reinforced concrete (FRC) subjected to the static loading. However, a few studies have been devoted to cyclic behaviors of FRC. A main objective of this paper is to investigate the cyclic behavior of FRC through theoretical method. A new cyclic bridging model was proposed for the analysis of fiber reinforced cementitious composites under cyclic loading. In the model, non-uniform degradation of interfacial bonding under cyclic tension was considered. Fatigue test results for FRC were numerically simulated using proposed models and the proposed model is achieving better agreement than the previous model. Consequently, the model can establish a basis for analyzing cyclic behavior of fiber reinforced composites.

Keywords

References

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