[논문]쌍둥이 인접구조물의 진동 제어를 위한 비대칭 지진격리 연결 제어시스템의 매개변수연구

김다위; 박원석; 옥승용

doi:10.14346/jkosos.2022.37.3.45

쌍둥이 인접구조물의 진동 제어를 위한 비대칭 지진격리 연결 제어시스템의 매개변수연구
Parametric Study of Asymmetric Base-Isolation Coupling Control System for Vibration Control of Adjacent Twin Buildings 원문보기

한국안전학회지 = Journal of the Korean Society of Safety, v.37 no.3, 2022년, pp.45 - 51

김다위 (한경대학교 사회안전시스템공학부) , 박원석 (목포대학교 토목공학과) , 옥승용 (한경대학교 사회안전시스템공학부)

Abstract ▼ AI-Helper

This paper focuses on a recently proposed asymmetric base-isolation coupling control system (ABiCS) for the vibration control of adjacent twin buildings. The ABiCS consists of inter-story diagonal dampers, a connecting damper between the two buildings, and a seismic isolation device at the base floor of one building. To investigate the control characteristics of ABiCS, a parametric study was performed by numerically simulating the 20-story twin buildings. In the parametric study, the control capacities of the inter-story diagonal dampers, connecting damper, and seismic isolation device were considered as varying parameters. The parametric study results indicate that the connecting damper between the two buildings reduces the responses of both buildings only at optimal or near-optimal capacity. In addition, adjusting the stiffness of the base isolation is found to be the most effective method for improving seismic performance and achieving cost-effectiveness. Accordingly, we presented a scenario-based performance improvement approach in which reducing the stiffness of the base isolation device could be an effective technique to improve the seismic performance of both buildings. However, note that checking the maximum allowable displacement of the base isolation device is essential.

주제어

표/그림 (8)

그림 Fig. 1. Conceptual configuration of adjacent twin structures with asymmetric coupling control system.
그림 Fig. 2. Comparative results of RMS story drift(Δu_S ) between non-control system and ABiCS.
표 Table 1. Dynamic properties of twin buildings
표 Table 2. Parameters of Kanai-Tajimi model
표 Table 3. Design parameters of control system
그림 Fig. 3. Parametric results of design parameters of ABiCS on peak RMS responses of two buildings.
표 Table 4. Damping capacity and response for the target performance
표 Table 5. Stiffness capacity and response for the target performance

참고문헌 (12)

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상세보기
S. -Y. Ok, "Efficient Vibration Control Approach of Two Identical Adjacent Structures", J. Korean Soc. Saf., Vol. 29, No. 3, pp. 56-63, 2014.
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상세보기
S. -Y. Ok, . J. Song, K. -S. Park and H. -M. Koh, "Optimal Design of Nonlinear Damping System for Seismically-excited Adjacent Structures using Multi-objective Genetic Algorithm Integrated with Stochastic Linearization Method", Journal of the Earthquake Engineering Society of Korea, Vol. 11, No. 6, pp. 1-14, 2007.
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