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토글 가새-고집적 마찰댐퍼를 설치한 철근콘크리트모멘트 골조의 성능 평가

Title
토글 가새-고집적 마찰댐퍼를 설치한 철근콘크리트모멘트 골조의 성능 평가
Other Titles
Seismic Behavior of Reinforced Concrete Moment Frames Retrofitted by Toggle Bracing System with High Density Friction Damper
Author
한상환
Keywords
Seismic Retrofit; Friction Damper; Toggle Brace; Energy Dissipation; Magnification Factor
Issue Date
2014-05
Publisher
한국지진공학회
Citation
한국지진공학회논문집, v.18, no.3, pp.133 - 140
Abstract
The friction damper can be used for improving the seismic resistance of existing buildings. The damper is often installed in bracingmembers. The energy dissipation capacity of the damping systems depends on the type of the structure, the configuration of the bracingmembers, and the property of dampers. In Korea, there are numerous low- to mid-rise reinforced concrete moment frames that wereconstructed considering only gravity loads. Those frames may be vulnerable for future earthquakes. To resolve the problem, this studydeveloped a toggle bracing system with a high density friction damper. To investigate the improvement of reinforced concrete frames afterretrofit using the developed damped system, experimental tests were conducted on frame specimens with and without the dampedsystem. The results showed that the maximum strength, initial stiffness and energy dissipation capacity of the framed with the dampedsystem were much larger than those of the frame without the damped system.
URI
http://koreascience.or.kr/article/ArticleFullRecord.jsp?cn=GJJGB@_2014_v18n3_133http://hdl.handle.net/20.500.11754/47112
ISSN
1226-525X; 2234-1099
DOI
10.5000/EESK.2014.18.3.133
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ARCHITECTURAL ENGINEERING(건축공학부) > Articles
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