Jointed Pipe–Soil Interaction due to Tunneling
Publication: International Journal of Geomechanics
Volume 23, Issue 10
Abstract
Despite the convenience of tunnels for transportation in modern cities, ground movements induced by tunneling may cause pipeline deformations. One of the key challenges is the higher failure potential in the location of joints on jointed pipelines. This study presented a closed-form solution based on the Winkler model to explore the effects of joints on pipe–soil interaction due to tunneling-induced deformations. Finite-element simulations were used to verify the closed-form solutions and a design chart was proposed based on the governing equations to facilitate the estimation of pipeline responses to tunneling-induced ground movements. Generally, good agreements have been obtained between the results of the closed-form solution and the finite-element models. In addition, the findings suggested that the calculated tunneling-induced pipeline deformations may be significantly underestimated if the effect of joints is not considered.
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Data Availability Statement
The data that support the findings of this study are available from the corresponding author upon reasonable request.
Acknowledgments
The authors acknowledge the financial support provided by the National Science Foundation of China (Nos. 51578214 and 41530637).
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Published In
International Journal of Geomechanics
Volume 23 • Issue 10 • October 2023
Copyright
© 2023 American Society of Civil Engineers.
History
Received: Sep 13, 2022
Accepted: Jun 10, 2023
Published online: Aug 2, 2023
Published in print: Oct 1, 2023
Discussion open until: Jan 2, 2024
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