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Seismic design of reduced beam section steel moment connections with bolted web attachment

Cited 17 time in Web of Science Cited 19 time in Scopus
Authors
Lee, Cheol-Ho; Kim, Jae-Hoon
Issue Date
2007-04
Publisher
Elsevier
Citation
Journal of Constructional Steel Research 2007;63(4):522-531
Keywords
Bolted web attachmentReduced beam sectionSteel moment connectionSeismic design
Abstract
Recent test results on reduced beam section (RBS) steel moment connections showed that specimens with a bolted web connection tend to perform poorly due to premature brittle fracture of the beam flange at the weld access hole. The measured strain data appeared to indicate that ahigher incidence of base metal fracture in bolted web specimens is related, at least in part, to the increased demand on the beam flanges due to the web bolt slippage and the actual load transfer mechanism which is significantly different from that usually assumed in connection design. In this paper, the practice of providing web bolts uniformly along the beam depth was brought into question. A new seismic design procedure, which is more consistent with the actual load path identified from analytical and experimental studies, is proposed. A pilot test specimen designed by following the proposed procedure exhibited sufficient cyclic connection rotation capacity without fracture.
ISSN
0142-974X
Language
English
URI
http://hdl.handle.net/10371/8412
DOI
https://doi.org/10.1016/j.jcsr.2006.06.030
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Architecture and Architectural Engineering (건축학과)Journal Papers (저널논문_건축학과)
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