Creep Behavior of Transverse Welded Lap Joints at Elevated Temperatures
Publication: Journal of Materials in Civil Engineering
Volume 34, Issue 6
Abstract
This paper summarizes preliminary results of an experimental investigation on the creep behavior of transverse welded lap joints at elevated temperatures. The aim of this study is to quantify the time-to-failure for transverse welded lap joints exposed to high temperatures. In this study, two series of experiments were conducted. In the first series, the specimens were heated to target temperatures and then loaded to failure to estimate the peak load that the specimens could sustain at each target temperature. In the second series, after the specimens were heated to the test temperatures, fractions of the peak load were applied rapidly and kept constant throughout the test. Through the combination of these two series of experiments, the effect of load and temperature on the time-dependent or creep behavior of transverse welded lap joints was studied. The experimental results show that, for temperatures greater than 450°C, transverse welded lap joints undergo excessive deformation due to creep, and that creep effect becomes more significant as load and temperature increase.
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Data Availability Statement
All data, models, and code generated or used during the study appear in the published article.
Acknowledgments
The authors gratefully acknowledge the financial support provided by the American University of Beirut Research Board under Grant No. 103604-24705. Also, the authors would like to thank the National Council for Scientific Research in Lebanon and the American University of Beirut, CNRS-L/AUB, Ph.D. award program 2019–2020 for the support of the Ph.D. candidate. The authors further would like to thank the University of Texas at Austin for giving the authors the permission to perform the experimental part of this study at the Ferguson Structural Engineering Laboratory.
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Published In
Journal of Materials in Civil Engineering
Volume 34 • Issue 6 • June 2022
Copyright
© 2022 American Society of Civil Engineers.
History
Received: Feb 1, 2021
Accepted: Oct 15, 2021
Published online: Mar 22, 2022
Published in print: Jun 1, 2022
Discussion open until: Aug 22, 2022
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