Evaluation on interaction surface of plastic resistance for exposed-type steel column bases under biaxial bending |
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| Authors: | Jae-hyouk Choi Kenichi Ohi |
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| Affiliation: | (1) Department of Civil Engineering, South China University of Technology, 510640 Guangzhou, China;(2) State Key Laboratory of Subtropical Building Science, South China University of Technology, 510640 Guangzhou, China; |
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| Abstract: | ![]()
Exposed-type steel column bases are used widely in low-rise building construction Numerous researchers have examined methods to identify their stiffness and strength, but those studies have heretofore been restricted to in-plane behaviors This paper presents an experimental investigation of inelastic behaviors of square hollow section (SHS) steel column bases under biaxial bending Two types of failure modes are considered anchor bolt yielding and base plate yielding Different pinching effects and interaction surfaces for biaxial bending are observed for these two modes during bi-directional quasi-static cyclic loading tests Differences are elucidated using limit analyses based on a simple analytical model |
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