한국공간구조학회논문집 (Journal of Korean Association for Spatial Structures)

  • 제20권3호
  • /
  • Pages.81-89
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  • 2020
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  • 1598-4095(pISSN)
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  • 2287-7401(eISSN)
한국공간구조학회 (Korean Association for Spatial Structures)
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기존 철근콘크리트 골조의 반복거동 예측을 위한 이력모델

Hysteresis Model for the Cyclic Response of Existing Reinforced Concrete Frames

  • 손주기 (부경대학교 건축.소방공학부) ;
  • 이창환 (부경대학교 건축.소방공학부)
  • Son, Joo-Ki (Division of Architectural and Fire Protection Engineering, Pukyong National University) ;
  • Lee, Chang-Hwan (Division of Architectural and Fire Protection Engineering, Pukyong National University)
  • 투고 : 2020.07.22
  • 심사 : 2020.08.28
  • 발행 : 2020.09.15
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초록

As the damage caused by earthquakes gradually increases, seismic retrofitting for existing public facilities has been implemented in Korea. Several types of structural analysis methods can be used to evaluate the seismic performance of structures. Among them, for nonlinear dynamic analysis, the hysteresis model must be carefully applied because it can significantly affect the behavior. In order to find a hysteresis model that predicts rational behavior, this study compared the experimental results and analysis results of the existing non-seismic reinforced concrete frames. For energy dissipation, the results were close to the experimental values in the order of Pivot, Concrete, Degrading, and Takeda models. The Concrete model underestimated the energy dissipation due to excessive pinching. In contrast, the other ones except the Pivot model showed the opposite results with relatively little pinching. In the load-displacement curves, the experimental and analysis results tended to be more similar when the column axial force was applied to columns.

키워드

참고문헌

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