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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.71 No.4
- 발행연도
- 2019.1
- 수록면
- 445 - 458 (14page)
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This study mainly aims to assess the performance of soil-structure systems designed by direct displacement-based method coupled with strong column-weak beam design concept through various system identification techniques under strong ground motions. To this end, various system identification methods are employed to evaluate the dynamic characteristics of a structure (i.e., modal frequency, system damping, mode shapes, and plastic hinge formation pattern) under a strong seismic excitation considering soil-structure interaction for different site conditions as specified by ASCE 7-10. The scope of the study narrowed down to the code-complying low- to high-rise steel moment resisting frames with various heights (4, 8, 12, 16-story). The comparison of the result of soil-structure systems with fix-based support condition indicates that the modal frequencies of these systems are highly influenced by the structure heights, specifically for the softer soils. This trend is more significant for higher modes of the system which can considerably dominate the response of structures in which the higher modes have more contribution in dynamic response. Amongst all studied modes of the vibration, the damping ratio estimated for the first mode is relatively the closet to the initial assumed damping ratios. Moreover, it was found that fewer plastic hinges are developed in the structure of soil-structure systems with a softer soil which contradicts the general expectation of higher damageability of such structural systems.
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참고문헌 (47)
참고문헌 신청
Reza Esmaeil Abadi / 2018 / Investigation of the LS Level Hysteretic Damping Capacity of Steel MR Frames Needs for the Direct Displacement-Based Design Method / KSCE Journal of Civil Engineering 22(4):1304~1315
2010 / ASCE/SEI 7-10, Minimum design loads for buildings and other structures / American Society of Civil Engineering (ASCE)
Pelin Gundes Bakir / 2012 / Instrumentation and system identification of a typical school building in Istanbul / Structural Engineering and Mechanics, An Int＇l Journal 43(2):179~197
Belleri, A. / 2011 / Soil Structure Interaction in Displacement Based Design / Proceedings of the 8th International Conference on Structural Dynamics, EURODYN 2011 Leuven
Calvi, G. M. / 2012 / Seismic displacement-based design of structures: relevance of soil-structure interaction. State-of-the-Art Paper / Proceedings of the 2nd International Conference on Performance-Based Design in Earthquake Geotechnical Engineering
2010 / ASCE/SEI 7-10, Minimum design loads for buildings and other structures / American Society of Civil Engineering (ASCE)
Pelin Gundes Bakir / 2012 / Instrumentation and system identification of a typical school building in Istanbul / Structural Engineering and Mechanics, An Int＇l Journal 43(2):179~197
Belleri, A. / 2011 / Soil Structure Interaction in Displacement Based Design / Proceedings of the 8th International Conference on Structural Dynamics, EURODYN 2011 Leuven
Calvi, G. M. / 2012 / Seismic displacement-based design of structures: relevance of soil-structure interaction. State-of-the-Art Paper / Proceedings of the 2nd International Conference on Performance-Based Design in Earthquake Geotechnical Engineering
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