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Prediction of Cyclic Behavior of WUF-W Connections with Various Weld Access Hole Configurations Using Nonlinear FEA

Title
Prediction of Cyclic Behavior of WUF-W Connections with Various Weld Access Hole Configurations Using Nonlinear FEA
Author
한상환
Keywords
cyclic behavior; moment connection; finite element analysis; access hole; failure index; special moment frame
Issue Date
2016-12
Publisher
KOREAN SOC STEEL CONSTRUCTION-KSSC
Citation
INTERNATIONAL JOURNAL OF STEEL STRUCTURES, v. 16 , Issue 4, Page. 1197-1208
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.
URI
https://link.springer.com/article/10.1007%2Fs13296-016-0057-0https://repository.hanyang.ac.kr/handle/20.500.11754/101309
ISSN
1598-2351; 2093-6311
DOI
10.1007/s13296-016-0057-0
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ARCHITECTURAL ENGINEERING(건축공학부) > Articles
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