General Method for Pullback Force Estimation for Polyethylene Pipes in Horizontal Directional Drilling
Publication: Journal of Pipeline Systems Engineering and Practice
Volume 7, Issue 3
Abstract
This paper proposes a general method for estimating pullback force applied on polyethylene (PE) pipes during horizontal directional drilling (HDD) installations based on adapting the Capstan equation to a PE pipe negotiating a curved bore. Compared to current standards, this method can be implemented in any installation regardless of the bore geometry, such as ground surface grade or number of segments composing the bore path. To verify the proposed method, pullback data collected from an HDD installation project is compared to forces estimated by the proposed method as well as standard methods. This paper demonstrates the proposed method’s ability in estimating a more-accurate pullback load.
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Acknowledgments
The authors would like to thank the Natural Sciences and Engineering Research Council of Canada (NSERC), and the Crossing Company for supporting and funding this study. Also, the assistance of Lauren Wozny and Tatiana Boryshchuk, Communications Officers with the Consortium for Engineered Trenchless Technologies (CETT), in editing this paper is greatly appreciated. Furthermore, the authors appreciate the assistance of the anonymous reviewer for providing valuable comments and suggestions to improve this paper.
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Information & Authors
Information
Published In
Journal of Pipeline Systems Engineering and Practice
Volume 7 • Issue 3 • August 2016
Copyright
© 2016 American Society of Civil Engineers.
History
Received: Jan 19, 2015
Accepted: Oct 28, 2015
Published online: Jan 20, 2016
Discussion open until: Jun 20, 2016
Published in print: Aug 1, 2016
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