Journal of the Earthquake Engineering Society of Korea (한국지진공학회논문집)

Earthquake Engineering Society of Korea (한국지진공학회)
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Seismic Response Characterization of Shear Wall in Auxiliary Building of Nuclear Power Plant

지진에 의한 원전 보조건물 전단벽의동적 응답 특성 추정

  • Rahman, Md Motiur (Department of Civil and Environmental Engineering, Kunsan National University) ;
  • Nahar, Tahmina Tasnim (Department of Civil Engineering, Pabna University of Science and Technology) ;
  • Baek, Geonhwi (Department of Civil and Environmental Engineering, Kongju National University) ;
  • Kim, Dookie (Department of Civil and Environmental Engineering, Kongju National University)
  • Received : 2021.01.28
  • Accepted : 2021.03.29
  • Published : 2021.05.01
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Abstract

The dynamic characterization of a three-story auxiliary building in a nuclear power plant (NPP) constructed with a monolithic reinforced concrete shear wall is investigated in this study. The shear wall is subjected to a joint-research, round-robin analysis organized by the Korea Atomic Energy Research Institute, South Korea, to predict seismic responses of that auxiliary building in NPP through a shake table test. Five different intensity measures of the base excitation are applied to the shaking table test to get the acceleration responses from the different building locations for one horizontal direction (front-back). Simultaneously to understand the global damage scenario of the structure, a frequency search test is conducted after each excitation. The primary motivation of this study is to develop a nonlinear numerical model considering the multi-layered shell element and compare it with the test result to validate through the modal parameter identification and floor responses. In addition, the acceleration amplification factor is evaluated to judge the dynamic behavior of the shear wall with the existing standard, thus providing theoretical support for engineering practice.

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