Structures Congress 2018
Seismic Collapse Response of a Four Story Steel Special Moment Frame with Deep Columns
Publication: Structures Congress 2018: Buildings and Disaster Management
ABSTRACT
The collapse potential of a four-story steel special moment frame (SMF) under a set of ground motions is evaluated using high fidelity computational simulation. The SMF is designed in accordance with current design requirements and employs reduced beam sections and deep columns. The computational model is capable of explicitly accounting for the interaction of local and global instability within the SMF. A study is performed to investigate the effect of the level of gravity loads on the collapse response of the frame. Even though all columns satisfy highly ductile requirements in current seismic provisions, they become increasingly vulnerable to global buckling as the gravity-induced axial load increases.
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ACKNOWLEDGEMENTS
This work was supported by the University of Michigan and US NSF grant numbers CMMI-1344372 and ACI-1638186. Any opinions, findings, conclusions, and recommendations expressed in this paper are those of the authors and do not necessarily reflect the views of the sponsor.
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Published In
Structures Congress 2018: Buildings and Disaster Management
Pages: 213 - 221
Editor: James Gregory Soules, 1CB&I
ISBN (Online): 978-0-7844-8132-5
Copyright
© 2018 American Society of Civil Engineers.
History
Published online: Apr 17, 2018
Published in print: Apr 17, 2018
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