Journal of the Architectural Institute of Korea Structure & Construction (대한건축학회논문집:구조계)

Architectural Institute of Korea (대한건축학회)
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An Experimental Study on Effect of Installed Tension for Shear Type Friction Damper with Disk Spring Washer

제작스프링와셔를 사용한 전단형 마찰댐퍼의 도입장력 영향에 관한 실험적 연구

  • 박은수 (조선대학교 일반대학원 건축공학과 구조전공) ;
  • 최재혁 (조선대학교 건축공학과)
  • Received : 2012.03.01
  • Published : 2012.08.25
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Abstract

Friction damper is a kind of passive energy absorbing device that controls displacement and vibration in order to improve the performance of building structures and numerous studies are under way about it. Now it is developed slightly different details of shear type friction dampers, but with the surface of friction materials and friction behavior of sliding friction surface to use the same concept in the history of the pressure exerted by the frictional resistance is determined. Thus, the size of pre-tensioned bolt that is introduced is a very important factor in determining the performance friction damper. Also, the time duration for the loosening of slip-proof bolts without sliding friction is also important and the plan prepared guarantees to determine the reliability of friction damper. In this paper, the flat washer that increase the friction force and the plate type spring washer which is special heat treatment that produced by friction used and a repeated static loading is test, and the coefficient of friction of friction damper, sliding strength, bolt tension maintenance ratio and energy absorption capacity of shear type friction damper was executed.

Keywords

Acknowledgement

Supported by : 한국연구재단

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