Computers and Concrete

  • 제27권5호
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  • Pages.457-472
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  • 2021
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  • 1598-8198(pISSN)
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  • 1598-818X(eISSN)
테크노프레스 (Techno-Press)
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DOI QR코드

DOI QR Code

Seismic behavior and failure modes of non-ductile three-story reinforced concrete structure: A numerical investigation

  • Hidayat, Banu A. (Department of Civil Engineering, College of Engineering, National Cheng Kung University) ;
  • Hu, Hsuan-Teh (Department of Civil Engineering, College of Engineering, National Cheng Kung University) ;
  • Hsiao, Fu-Pei (Department of Civil Engineering, College of Engineering, National Cheng Kung University) ;
  • Han, Ay Lie (Department of Civil Engineering, Faculty of Engineering, Universitas Diponegoro) ;
  • Sosa, Lisha (Department of Civil Engineering, College of Engineering, National Cheng Kung University) ;
  • Chan, Li-Yin (Department of Civil Engineering, College of Engineering, National Cheng Kung University) ;
  • Haryanto, Yanuar (Department of Civil Engineering, College of Engineering, National Cheng Kung University)
  • 투고 : 2021.01.21
  • 심사 : 2021.04.09
  • 발행 : 2021.05.25
⟨ 이전 논문 다음 논문 ⟩

초록

Reinforced concrete (RC) buildings in Taiwan have suffered failure from strong earthquakes, which was magnified by the non-ductile detailing frames. Inadequate reinforcement as a consequence of the design philosophy prior to the introduction of current standards resulted in severe damage in the column and beam-column joint (BCJ). This study establishes a finite element analysis (FEA) of the non-ductile detailing RC column, BCJ, and three-story building that was previously tested through a tri-axial shaking table test. The results were then validated to laboratory specimens having the exact same dimensions and properties. FEA simulation integrates the concrete damage plasticity model and the elastic-perfectly plastic model for steel. The load-displacement responses of the column and BCJ specimens obtained from FEA were in a reasonable agreement with the experimental curves. The resulting initial stiffness and maximum base shear were found to be a close approximation to the experimental results. Also, the findings of a dynamic analysis of the three-story building showed that the time-history data of acceleration and displacement correlated well with the shaking table test results. This indicates the FEA implementation can be effectively used to predict the RC frame performance and failure mode under seismic loads.

키워드

과제정보

The study in this manuscript was fully supported by National Center for Research on Earthquake Engineering, Taiwan.

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