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Prediction of Cyclic Behavior of WUF-W Connections with Various Weld Access Hole Configurations Using Nonlinear FEA
- Authors
- Han, Sang Whan; Kim, Nam Hun; Cho, Soon Wook
- Issue Date
- Dec-2016
- Publisher
- KOREAN SOC STEEL CONSTRUCTION-KSSC
- Keywords
- cyclic behavior; moment connection; finite element analysis; access hole; failure index; special moment frame
- Citation
- International Journal of STEEL STRUCTURES, v.16, no.4, pp.1197 - 1208
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- International Journal of STEEL STRUCTURES
- Volume
- 16
- Number
- 4
- Start Page
- 1197
- End Page
- 1208
- ISSN
- 1598-2351
- Abstract
- The welded unreinforced flange-welded web (WUF-W) moment connection is one of seven prequalified connections for the special moment frames (SMF) specified in AISC 358-10. Previous studies reported that some WUF-W connections with a steep access hole slope failed before completing a loading cycle of 4% drift ratio. For investigating in detail the effect of access hole geometry including access hole slopes on the connection behavior, experimental tests require excessive costs and efforts because there are the large number of combinations of configuration parameters for access hole geometry. In this study, the cyclic behavior of WUF-W connections is evaluated using three-dimensional nonlinear finite element (FE) analyses with an adequate solid element and failure index. Based on the results of FEA, the effect of configuration parameters on the connection behavior is investigated.
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Related Researcher
- Han, Sang Whan
- COLLEGE OF ENGINEERING (SCHOOL OF ARCHITECTURAL ENGINEERING)