Displacement coefficient method for bridge subjected to pulse-like ground motions

K. Y. Liu, S. T. Wang, C. C. Hwang, C. H. Kuo

研究成果: 書貢獻/報告類型會議論文篇章同行評審

摘要

This paper proposes the displacement coefficient, Rd, for bridge column subjected to near-fault earthquake. Rd is defined as a ratio between ultimate displacement and elastic displacement. 142 pulse-like ground motions are utilized to perform the nonlinear time history analysis with constant ductility from 1 to 6. This study investigates the Rd in four aspects, including (1) signal processing method, (2) orientation of the velocity, (3) hysteretic models, and (4) number of the ground motions. The analytical results are compared with the regulations specified in AASHTO 2011. For a structure with typical displacement ductility of 4, compared to the analytical results, the Rd in AASHTO 2011 is overestimated within the period of 0.5 second, and underestimated between 0.5 and 4 second. Therefore, the revised formulation of Rd is proposed, which could be suitable for the bridge considering the near-fault effect in Taiwan.

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主出版物標題Maintenance, Safety, Risk, Management and Life-Cycle Performance of Bridges - Proceedings of the 9th International Conference on Bridge Maintenance, Safety and Management, IABMAS 2018
編輯Nigel Powers, Dan M. Frangopol, Riadh Al-Mahaidi, Colin Caprani
發行者CRC Press/Balkema
頁面1216-1223
頁數8
ISBN(列印)9781138730458
出版狀態已出版 - 2018
事件9th International Conference on Bridge Maintenance, Safety and Management, IABMAS 2018 - Melbourne, Australia
持續時間: 9 7月 201813 7月 2018

出版系列

名字Maintenance, Safety, Risk, Management and Life-Cycle Performance of Bridges - Proceedings of the 9th International Conference on Bridge Maintenance, Safety and Management, IABMAS 2018

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???event.eventtypes.event.conference???9th International Conference on Bridge Maintenance, Safety and Management, IABMAS 2018
國家/地區Australia
城市Melbourne
期間9/07/1813/07/18

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