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Journal of the Korean Society of Hazard Mitigation 2014;14(5):1-8.
Published online October 31, 2014.
혼합형 마찰댐퍼 구성요소의 성능평가 Ⅱ : 슬롯형 마찰요소
김도현, 김지영, 이기학, 황성호, 백기현
Evaluation on Structural Performance of Hybrid Friction Damper Components II: a Slotted Bolted Frictional Connection
Dohyun Kim, Jiyoung Kim, Kihak Lee, Sungho Hwang, Kihyun Baek
Abstract
The hybrid damper, which is composed of two one-nodal rotary frictional components and a slotted bolted frictional component, is able to operate at various displacements of building. As the second part of component test series of hybrid friction damper, this paper investigate the mechanism and dependency performance of a slotted bolted friction component. Test results show that the multi-slip mechanism is verified and friction forces slightly increase with displacement amplitudes. However test specimens do not depend on a forcing frequency and a long term loading.
Key Words: Hybrid Friction Damper; Slotted Bolted Frictional Component; Dependency
요지
혼합형 마찰댐퍼는 두 개의 1절점 회전마찰요소와 슬롯형 마찰요소로 구성되어, 다양한 건물변위에서 작동할 수 있다. 혼합형 마찰댐퍼 구성요소의 성능평가에 관한 두 번째 논문으로 슬롯형 마찰요소의 메커니즘 및 의존성을 분석하였다. 실험결과 슬롯형 마찰요소의 다단계 슬립 메커니즘이 검증되었고, 진폭이 증가할수록 마찰계수가 다소 증가하였다. 그러나 주파수 및 장기반복가력에 대해서 의존성을 보이지 않았다.
핵심용어: 혼합형 마찰댐퍼; 슬롯형 마찰요소; 의존성


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