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A hybrid force/displacement seismic design method for steel building frames
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Karavasilis, Theodore L., Bazeos, Nikitas and Beskos, D. E. (2008) A hybrid force/displacement seismic design method for steel building frames. In: 14th World Conference of Earthquake Engineering (14WCEE) , Beijing, China, Oct 12-17, 2008. Published in: Proceedings of the 14th World Conference of Earthquake Engineering (14WCEE) , Vol.1-41
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Official URL: http://www.iitk.ac.in/nicee/wcee/article/14_08-02-...
Abstract
This paper proposes a performance-based seismic design methodology for steel building frames which combines the advantages of the well-known force-based and displacement-based seismic design methods in a
hybrid force/displacement design scheme. The proposed method controls structural performance by first transforming user-specified values of the interstorey drift ratio (non-structural damage) and local ductility
(structural damage) to a target roof displacement and then, calculating the appropriate strength reduction factor
for limiting ductility demands associated with the target roof displacement. The main characteristics of the
proposed method are: (1) treats both drift and ductility demands as input variables for the initiation of the design
process; (2) does not use a substitute single degree of freedom system; (3) makes use of current seismic code
approaches as much as possible (e.g., conventional elastic response spectrum analysis and design); (4) includes the influence of the number of stories; (5) recognises the influence of the type of the lateral load resisting system (moment resisting frame or concentrically braced frame); (6) recognises the influence of geometrical (setbacks) or mass irregularities. A realistic design example serves to demonstrate the advantages of the proposed method over the currently used force-based design procedure.
Item Type: | Conference Item (Paper) | ||||
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Subjects: | T Technology > TA Engineering (General). Civil engineering (General) T Technology > TH Building construction |
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
Journal or Publication Title: | Proceedings of the 14th World Conference of Earthquake Engineering (14WCEE) | ||||
Publisher: | China Scientific Book Services | ||||
Official Date: | 2008 | ||||
Dates: |
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Volume: | Vol.1-41 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Open Access (Creative Commons) | ||||
Funder: | University of Patras, Greece, K. Karatheodoris Research Program | ||||
Conference Paper Type: | Paper | ||||
Title of Event: | 14th World Conference of Earthquake Engineering (14WCEE) | ||||
Type of Event: | Conference | ||||
Location of Event: | Beijing, China | ||||
Date(s) of Event: | Oct 12-17, 2008 |
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