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지진에 의한 원전 보조건물 전단벽의동적 응답 특성 추정

Seismic Response Characterization of Shear Wall in Auxiliary Building of Nuclear Power Plant

  • 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)
  • 투고 : 2021.01.28
  • 심사 : 2021.03.29
  • 발행 : 2021.05.01

초록

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.

키워드

참고문헌

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