Journal of the Earthquake Engineering Society of Korea (한국지진공학회논문집)

Earthquake Engineering Society of Korea (한국지진공학회)
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Response Characteristic of the Dual-frame Passive Control System with the Natural Period Difference between the Strength Resistant Core and Frame Structure

강도저항형 코어와 프레임 구조의 진동주기차를 이용한 듀얼프레임 제진시스템의 응답특성

  • Kim, Tae Kyung (Department of Architectural Engineering, Pusan National University) ;
  • Choi, Kwang Yong (Department of Architectural Engineering, Pusan National University) ;
  • Oh, Sang Hoon (Department of Architectural Engineering, Pusan National University) ;
  • Ryu, Hong Sik (Building Structure and Materials Research Center, POSCO)
  • Received : 2015.07.27
  • Accepted : 2015.08.27
  • Published : 2015.11.01
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Abstract

In this study, shaking table test has been carried out for the dual frame passive control system for seismic performance verification of the proposed system. The proposed system was separated into two independent frameworks that are strength resistant core and frame structure by connecting to the damper. Moreover, the seismic performance improvement of the proposed system has been verified by comparing and analyzing the experimental results of the proposed system with an existing core system. As a result of the shaking table test, acceleration and displacement responses of dual-frame vibration control system are decreased than those of the existing strength resistant type core system. In the case of the core system, while the damage was concentrated on the column of first floor, the damage of the dual system was dispersed in each layer. The damage also was concentrated on the damper, almost no damage occurs to the structural members. It has been emphasized that installed dampers in the proposed dual system reduce the input energy of whole structure by absorbing seismic input energy, which leads overall system damage to be reduced.

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References

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