Journal of the Architectural Institute of Korea (대한건축학회논문집)

Architectural Institute of Korea (대한건축학회)
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Dynamic Assessment for Vertical Irregular Structures Considering Higher Mode Effects

고차모드의 영향을 고려한 수직비정형 건축물의 동적거동평가

  • Received : 2020.10.06
  • Accepted : 2020.11.25
  • Published : 2020.12.30
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Abstract

The seismic performance evaluation procedure according to Korea infrastructure safety corporation is classified as nonlinear static procedure and nonlinear dynamic procedure, if the structures were determined that the higher modes are significant, the nonlinear dynamic analysis is required to supplement the nonlinear static procedure such as Pushover analysis. The nonlinear dynamic analysis has a disadvantage in that it takes a lot of time for the analysis and complicated. Therefore, in this study, pushover analysis and nonlinear dynamic analysis were performed to analyze the dynamic behavior of vertical irregular structures considering higher mode effects. In addition, this study was determined whether if it is possible to modeling by replacing vertical irregular structures with regular structures using the story stiffness as a variable. The results of study were confirmed that the higher mode effect can be significant not only for high rise building or vertical irregular structures but also for regular structures. In addition, as a result of the study, it was confirmed that vertical irregular structures can be replaced with regular structures based on the story stiffness.

Keywords

Acknowledgement

이 성과는 정부(과학기술정보통신부)의 재원으로 한국연구재단의 지원을 받아 수행된 연구임 (No. 2020R1A2C2009351)

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