Compressive Capacity of Corroded Welded Hollow Spherical Joints
Publication: Journal of Performance of Constructed Facilities
Volume 33, Issue 1
Abstract
Welded hollow spherical joints (WHSJs) are widely used in reticulated shell structures. WHSJs inevitably experience corrosion in their service life that significantly reduces their loading capacity, thus negatively affecting structural safety. A series of nonlinear numerical analysis is performed to investigate the effect of corroded location and size, yield strength of material, and corroded thickness on the compressive capacity of WHSJs. Two types of corroded shapes are investigated. Results indicate that corrosion located in different places has a distinct influence on the compressive capacity of WHSJs. Compressive capacity is significantly reduced when corrosion occurs at the WHSJ surface.
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Acknowledgments
This work was financially supported by the project funded by China Postdoctoral Science Foundation (No. 2017M621156) and the State Key Research Development Program of China (Grant Nos. 2016YFC0801404 and 2016YFC0600704).
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Published In
Journal of Performance of Constructed Facilities
Volume 33 • Issue 1 • February 2019
Copyright
©2018 American Society of Civil Engineers.
History
Received: Jan 10, 2018
Accepted: Jul 17, 2018
Published online: Nov 13, 2018
Published in print: Feb 1, 2019
Discussion open until: Apr 13, 2019
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