Modeling and Parametric Study of Gasketed Bell and Spigot Joint in Buried RC Pipeline
Publication: Journal of Pipeline Systems Engineering and Practice
Volume 10, Issue 3
Abstract
Joints in buried pipelines have diverse configurations and materials, and are subjected to different loading and installation conditions which will influence their performance. Therefore these parameters need to be examined, because joints play an important role in pipeline longevity. This research study developed a numerical model for a buried RC pipeline with a gasketed bell and spigot joint subjected to surface loads representing service conditions. The model was calibrated against experimental data and captured close to 80% of the joint rotation angle and the patterns of hoop strain at the joint components. The model was subsequently used in parametric studies which revealed the locations where a single wheel pair produces the largest shear displacement and rotation of the joints for the burial depth examined. The studies also indicated that a tandem axle configuration produces larger joint rotation than a single axle and single wheel pair configuration. The influence of the soil envelope stiffness and the effect of pavements on the joint performance was also described.
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Acknowledgments
The authors thank FES Aragón campus of the National Autonomous University of Mexico (UNAM), where the work was undertaken. Dr. David Becerril García thanks Dirección General de Asuntos del Personal Académico (DGAPA) for providing funds to support his postdoctoral fellow position at FES Aragón with the program “Programa de becas posdoctorles en la UNAM.” The findings, conclusions, or recommendations expressed in this paper do not necessarily reflect the views of these institutions.
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Information & Authors
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Published In
Journal of Pipeline Systems Engineering and Practice
Volume 10 • Issue 3 • August 2019
Copyright
©2019 American Society of Civil Engineers.
History
Received: Dec 16, 2015
Accepted: Nov 21, 2018
Published online: Apr 6, 2019
Published in print: Aug 1, 2019
Discussion open until: Sep 6, 2019
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