Journal of the Earthquake Engineering Society of Korea (한국지진공학회논문집)

Earthquake Engineering Society of Korea (한국지진공학회)
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Seismic Performance Assessment of a Mid-Rise RC Building subjected to 2016 Gyeongju Earthquake

2016년 경주지진에 의한 중층 RC 건물의 내진 성능 평가

  • Lee, Do Hyung (Department of Civil, Environmental and Railroad Engineering, Paichai University) ;
  • Jeon, Jong-Su (Department of Civil Engineering, Andong National University)
  • 이도형 (배재대학교 건설환경.철도공학과) ;
  • 전종수 (안동대학교, 토목공학과)
  • Received : 2016.11.17
  • Accepted : 2016.12.02
  • Published : 2016.12.30
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Abstract

In this paper, seismic performance assessment has been examined for a mid-rise RC building subjected to 2016 Gyeongju earthquake occurred in Korea. For the purpose of the paper, 2D external and internal frames in each direction of the building have been employed in the present comparative analyses. Nonlinear static pushover analyses have been conducted to estimate frame capacities. Nonlinear dynamic time-history analyses have also been carried out to examine demands for the frames subjected to ground motions recorded at stations in near of Gyeongju and a previous earthquake ground motion. Analytical predictions demonstrate that maximum demands are significantly affected by characteristics of both spectral acceleration response and spectrum intensity over a wide range of periods. Further damage potential of the frames has been evaluated in terms of fragility analyses using the same ground motions. Fragility results reveal that the ground motion characteristics of the Gyeongju earthquake have little influence on the seismic demand and fragility of frames.

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References

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