Jacking Force Analysis of Pipe Installation Using a Modified Guided Boring Method
Publication: Journal of Pipeline Systems Engineering and Practice
Volume 8, Issue 4
Abstract
The modified guided boring method (MGBM) is a new pipe installation method used in hard ground, where a conventional guided boring method is not applicable. Estimation of the required jacking force for pipe installation is critical for the design of MGBM projects; however, no such study has previously been performed. Hence, this paper presents a study on the jacking force estimation of pipe installation using MGBM. First, the field data of jacking force during the pipe installation stage of an MGBM project in Edmonton, Canada, was collected and analyzed. Second, three commonly used jacking force estimation models developed for microtunneling or pipe jacking installation were adapted to calculate the jacking force for this MGBM project, and the results were compared with the field data. The comparison indicated that an adapted model overestimated the field data. When the passive earth pressure was used as the face pressure, another adapted model yielded a close estimation to the field data, and a third model slightly underestimated the field data.
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Acknowledgments
The authors thank the Natural Sciences and Engineering Research Council of Canada (NSERC), the City of Edmonton, and the Consortium for Engineered Trenchless Technologies (CETT) at the University of Alberta for supporting this study. They also thank Ms. Lauren Wozny and Sheena Moore at CETT for assisting in the editorial review of the manuscript.
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Published In
Journal of Pipeline Systems Engineering and Practice
Volume 8 • Issue 4 • November 2017
Copyright
©2017 American Society of Civil Engineers.
History
Received: Aug 18, 2016
Accepted: Mar 23, 2017
Published online: Jun 20, 2017
Published in print: Nov 1, 2017
Discussion open until: Nov 20, 2017
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