Journal of the Earthquake Engineering Society of Korea (한국지진공학회논문집)

Earthquake Engineering Society of Korea (한국지진공학회)
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Seismic Behavior of Inverted T-type Wall under Earthquake Part II : Effect of Input Earthquake Motion

역T형 옹벽의 지진시 거동특성 Part II : 입력 지진파의 영향

  • Lee, Jin-sun (Department of Civil and Environmental Engineering, Wonkwang University)
  • 이진선 (원광대학교 토목환경공학과)
  • Received : 2015.08.27
  • Accepted : 2015.10.12
  • Published : 2016.01.01
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Abstract

Permanent deformation plays a key role in performance based earthquake resistant design. In order to estimate permanent deformation after earthquake, it is essential to secure reliable response history analysis(RHA) as well as earthquake scenario. This study focuses on permanent deformation of an inverted T-type wall under earthquake. The study is composed of two separate parts. The first one is on the verification of RHA and the second one is on an effect of input earthquake motion. The former is discussed in companion paper and the latter in this paper. In order to investigate the effect of an input earthquake motion on the permanent deformation, three bins of spectral matched real earthquake records with different magnitude, regions, epicentral distance are constructed. Parametric study was performed using the verified RHA through the companion paper for each earthquake records in the bins. The most influential parameter affecting permanent displacement is magnitude. The other parameters describing earthquake motion are not significant enough to increase permanent displacement of the inverted T-type wall except for energy related parameters(AI, CI, SEI).

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References

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