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Permissible Parameter Ranges of Access Hole Geometries for WUF-W Connections

Title
Permissible Parameter Ranges of Access Hole Geometries for WUF-W Connections
Author
한상환
Keywords
MOMENT-RESISTING CONNECTIONS; CYCLIC BEHAVIOR; PERFORMANCE; DETAILS
Issue Date
2017-05
Publisher
EARTHQUAKE ENGINEERING RESEARCH INST
Citation
EARTHQUAKE SPECTRA, v. 33, no. 2, page. 687-707
Abstract
The welded unreinforced flange-welded web (WUF-W) connection is one of seven prequalified connections for special moment frames (SMF) specified in AISC 358-10 (2010). Previous studies reported that the cyclic behavior of WUF-W connections was strongly affected by weld access hole geometry, and some WUF-W connections did not satisfy the requirements for SMF connections. For investigating in detail the effect of access hole configurations on the cyclic behavior of WUF-W connections, this study conducts three-dimensional nonlinear fmite element analyses. This study shows that the seismic behavior of WUF-W connections are strongly affected by two configuration parameters, access hole slope and length of flat portion. To satisfy the requirement for SMF connections, this study proposes a range of the access hole slope and length of flat portion for WUF-W connections considering different span-to-depth ratios, beam depths, and material types.
URI
https://earthquakespectra.org/doi/10.1193/060716EQS092Mhttps://repository.hanyang.ac.kr/handle/20.500.11754/114139
ISSN
8755-2930; 1944-8201
DOI
10.1193/060716EQS092M
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ARCHITECTURAL ENGINEERING(건축공학부) > Articles
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