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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Steel and Composite Structures, An International Journal Steel and Composite Structures, An International Journal Vol.20 No.5
- 발행연도
- 2016.1
- 수록면
- 1,155 - 1,171 (17page)
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초록· 키워드
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Post-tensioned (PT) steel moment resisting frames (MRFs) with semi-rigid connections (SRC) can be used to control the hysteretic energy demands and to reduce the maximum inter-story drift (<i>γ</i>). In this study the seismic behavior of steel MRFs with PT connections is estimated by incremental nonlinear dynamic analysis in terms of dissipated hysteretic energy (<i>E<sub>H</sub></i>) demands. For this aim, five PT steel MRFs are subjected to 30 long duration earthquake ground motions recorded on soft soil sites. To assess the energy dissipated in the frames with PT connections, a new expression is proposed for the hysteretic behavior of semi-rigid connections validated by experimental tests. The performance was estimated not only for the global <i>E<sub>H</sub></i> demands in the steel frames; but also for, the distribution and demands of hysteretic energy in beams, columns and connections considering several levels of deformation. The results show that <i>E<sub>H</sub></i> varies with <i>γ</i>, and that most of <i>E<sub>H</sub></i> is dissipated by the connections. It is observed in all the cases a log-normal distribution of <i>E<sub>H</sub></i> through the building height. The largest demand of <i>E<sub>H</sub></i> occurs between 0.25 and 0.5 of the height. Finally, an equation is proposed to calculate the distribution of <i>E<sub>H</sub></i> in terms of the normalized height of the stories (<i>h</i>/<i>H</i>) and the inter-story drift.
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참고문헌 (42)
참고문헌 신청
Akbas, B. / 2001 / Energy approach in performance-based design of steel moment resisting frames for basic safety objective / Struct. Des. Tall Build. 10(3):193~217
Akiyama, H. / 1985 / Earthquake-Resistant Limit-State Design for Buildings / University of Tokyo Press
Arias, A. / 1970 / Seismic Design for Nuclear Power Plants / MIT Press :438~483
Bojórquez, E. / 2008 / Effects of degrading models for ductility and dissipated hysteretic energy in uniform annual failure rate spectra / Proceedings of the 14th World Conference on Earthquake Engineering
Bojórquez, E. / 2004 / Strength reduction factors for the valley of Mexico taking into account low cycle fatigue effects / Proceedings of the 13th World Conference on Earthquake Engineering
Akiyama, H. / 1985 / Earthquake-Resistant Limit-State Design for Buildings / University of Tokyo Press
Arias, A. / 1970 / Seismic Design for Nuclear Power Plants / MIT Press :438~483
Bojórquez, E. / 2008 / Effects of degrading models for ductility and dissipated hysteretic energy in uniform annual failure rate spectra / Proceedings of the 14th World Conference on Earthquake Engineering
Bojórquez, E. / 2004 / Strength reduction factors for the valley of Mexico taking into account low cycle fatigue effects / Proceedings of the 13th World Conference on Earthquake Engineering
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