Performance Based Design of Friction Dampers for Seismically Excited Structures

지진하중을 받는 구조물의 성능에 기초한 마찰감쇠기 설계

  • 민경원 (단국대학교 건축대학 건축공학과) ;
  • 김형섭 (단국대학교 건축대학 건축공학과)
  • Published : 2003.12.01


The main objective of this paper is to evaluate the control performance of a coulomb friction damper(CFD) for controlling the inelastic behavior of seismically excited structures, The seismic performances of various buildings are evaluated using capacity spectrum method(CSM), and the additional dampings are calculated If the evaluated performance levels of the buildings are below the target level. Maximum friction force of the CFD to achieve additional damping is provided using the concept of equivalent viscous damping, Numerical simulations for single degree of freedom(SDOF) systems with various structural periods and post yield stiffness ratios demonstrate the effectiveness of the proposed procedure.


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