Seismic isolation systems have typically been used in the form of base seams in mid-rise and low-rise buildings. In the case of high-rise buildings, it is difficult to apply the base isolation. In this study, the seismic response was analyzed by changing the installation position of the seismic isolation device in 3D high - rise model. To do this, we used 30-story and 40-story 3D buildings as example structures. Historic earthquakes such as Mexico (1985), Northridge (1994) and Rome Frieta (1989) were applied as earthquake loads. The installation position of the isolation device was changed from floor to floor to floor. The maximum deformation of the seismic isolation system was analyzed and the maximum interlaminar strain and maximum absolute acceleration were analyzed by comparing the LB model with seismic isolation device and the Fixed model, which is the base model without seismic isolation device. If an isolation device is installed on the lower layer, it is most effective in response reduction, but since the structure may become unstable, it is effective to apply it to an effective high-level part. Therefore, engineers must consider both structural efficiency and safety when designing a mid-level isolation system for high-rise buildings.

Abstract
 1. 서론
 2. 해석 모델
  2.1 해석 모델 개요
  2.2 해석 모델링 및 분석 방법
 3. 해석 결과
  3.1 면진 장치의 최대 변위과 전단력
  3.2 최대 층간 변형률
  3.3 최대 절대 가속도
  3.4 면진 장치의 이력 거동
 4. 결론
 References

• 김민주(영남대학교 일반대학원 건축학과) | Kim Min-Ju (Department of Architecture, Yeungnam University)
• 김동욱(선문대학교 건축사회환경학부) | Kim Dong-Uk (Div. of Architecture & Civil Engrg., Sunmoon Univ.)
• 김현수(선문대학교 건축사회환경학부) | Kim Hyun-Su (Div. of Architecture & Civil Engrg., Sunmoon Univ.)
• 강주원(영남대학교 건축학부) | Kang Joo-Won (School of Architecture, Yeungnam University) 교신저자