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Published in: International Journal of Steel Structures 5/2019

19-04-2019

Experiment and Finite Element Analysis on the Ultimate Strength of Ring-Stiffened Tube-Gusset Joints

Authors: Xiaolu Li, Xiaomin Xue, Ling Zhang, Xueming Wang, Huchang Wang

Published in: International Journal of Steel Structures | Issue 5/2019

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Abstract

Adding ring-stiffeners is an effective strategy for strengthening CHS tubular joints. However, research on the capacity of ring-stiffened CHS tube-gusset joints remains limited. In this study, we performed experimental and numerical analyses to derive static strength equations for this joint. For convenience, we simplified the complex joint model into a ring plate to CHS joint, which consisted of a CHS tube and a ring-stiffener. First, we tested five specimens to obtain failure mode and ultimate strength. Second, a finite element model was established and validated by the experimental results. Then, we used the verified numerical method to simulate the behavior of the ring plate to CHS joint. A wide range of geometric parameters was considered, and the relevant design guide was assessed. Finally, nonlinear analysis was performed, and a design formula was proposed. Good agreement was achieved between the proposed design formula and the results of experimental and numerical analyses.

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Metadata
Title
Experiment and Finite Element Analysis on the Ultimate Strength of Ring-Stiffened Tube-Gusset Joints
Authors
Xiaolu Li
Xiaomin Xue
Ling Zhang
Xueming Wang
Huchang Wang
Publication date
19-04-2019
Publisher
Korean Society of Steel Construction
Published in
International Journal of Steel Structures / Issue 5/2019
Print ISSN: 1598-2351
Electronic ISSN: 2093-6311
DOI
https://doi.org/10.1007/s13296-019-00227-1

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