Seismic performance evaluation of steel moment resisting frames with WUF-B connections
- Authors
- Moon, Ki‐Hoon; Han, Sang Whan
- Issue Date
- Sep-2008
- Publisher
- AIP
- Keywords
- Connections Fracture; Drift Capacity; IDA; Performance Evaluation; WUF-B connections
- Citation
- AIP Conference Proceedings, v.1020, no.PART 1, pp.1871 - 1878
- Indexed
- SCOPUS
- Journal Title
- AIP Conference Proceedings
- Volume
- 1020
- Number
- PART 1
- Start Page
- 1871
- End Page
- 1878
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/171851
- DOI
- 10.1063/1.2963823
- ISSN
- 0094-243X
- Abstract
- The purpose of this study is to evaluate the seismic performance of the moment resisting steel frames having Welded Unreinforced Flange-Bolted web (WUF-B) connections. The connections are designed and detailed in compliance with FEMA 350 recommended seismic design criteria. To conduct the seismic performance evaluation this study developed an analytical model for the pre-and post-Northridge connections based on test results. Three different frames are considered which have three-, nine-and twenty-story. Incremental Dynamic Analysis (IDA is conducted to estimate limit state capacities The performance of the frames having either pre-or post-Northridge connections is compared with the corresponding frame with ductile connections which do not experience connection fracture. The analytical results showed that buildings with post-Northridge WUF-B connections provide superior strength and interstory drift ratio capacity than buildings with pre-Northridge WUF-B connections.
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