Seismic performance of intermediate moment frames with RBS-B connections
- Authors
- Han, Sang Whan; Moon, Ki-hoon; Stojadinovic, Bozidar
- Issue Date
- Jul-2014
- Publisher
- Earthquake Engineering Research Institute
- Citation
- NCEE 2014 - 10th U.S. National Conference on Earthquake Engineering: Frontiers of Earthquake Engineering, pp.1 - 7
- Indexed
- SCOPUS
- Journal Title
- NCEE 2014 - 10th U.S. National Conference on Earthquake Engineering: Frontiers of Earthquake Engineering
- Start Page
- 1
- End Page
- 7
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/159641
- DOI
- 10.4231/D3RF5KG33
- Abstract
- The connections of special moment frames (SMF) should have a drift capacity greater than 4%, which is the minimum drift angle required by ANSI/AISC 358-05 for SMF connections. Since some reduced beam section with a bolted web (RBS-B) connection specimens failed to achieve 4% total rotation capacity, RBS-B connection is permitted for use only in Intermediate Moment Frames (IMF) according to the ANSI/AISC 358-05. In previous studies, some RBS-B connections could experience brittle connection fracture during earthquakes, which can also be detrimental to the seismic performance of IMF systems with RBS-B connections. The purpose of this study is to investigate whether IMFs with RBS-B connections provide a satisfactory seismic performance. The seismic performance of IMFs with pre-qualified RBS-B connections is evaluated based on the ATC-63 procedure. It is found that several IMFs with RBS-B connections do not satisfy the acceptance criteria specified in ATC 63.
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