Seismic Performance of High-rise Intermediate Steel Moment Frames according to Rotation Capacities of Moment Connections

Title
Seismic Performance of High-rise Intermediate Steel Moment Frames according to Rotation Capacities of Moment Connections
Author
한상환
Keywords
Intermediate moment frames; Rotation capacity; Performance evaluation; High-rise buildings; Moment connection
Issue Date
2015-03
Publisher
Council on Tall Buildings and Urban Habitat
Citation
International Journal of High-Rise Building, 2015 v. 4, no. 1, Page. 45-55
Abstract
The rotation capacity of the moment connections could significantly influence on the seismic performance of steel moment resisting frames. Current seismic provisions require that beam-to-column connections in Intermediate Moment Frames (IMF) should have a drift capacity as large as 0.02 radian. The objective of this study was to evaluate the effect of the rotation capacity of moment connections on the seismic performance of high-rise IMFs. For this purpose, thirty- and forty-story high-rise IMFs were designed according to the current seismic design provisions. The seismic performance of designed model frames was evaluated according to FEMA P695. This study showed that the forty-story IMF satisfied the seismic performance objective specified in FEMA P695 when the rotation capacity of the connections was larger than 0.02. However, thirty-story IMFs satisfied the performance objective when the connection rotation capacity is larger than 0.03.
URI
http://global.ctbuh.org/resources/papers/download/2319-seismic-performance-of-high-rise-intermediate-steel-moment-frames.pdfhttp://hdl.handle.net/20.500.11754/23236
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ARCHITECTURAL ENGINEERING(건축공학부) > Articles
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