Prediction of ground deformation during pipe-jacking considering multiple factors

Ren, D, Xu, Y, Shen, J, Zhou, A and Arulrajah, A 2018, 'Prediction of ground deformation during pipe-jacking considering multiple factors', Applied Sciences, vol. 8, no. 7, pp. 1-18.


Document type: Journal Article
Collection: Journal Articles

Title Prediction of ground deformation during pipe-jacking considering multiple factors
Author(s) Ren, D
Xu, Y
Shen, J
Zhou, A
Arulrajah, A
Year 2018
Journal name Applied Sciences
Volume number 8
Issue number 7
Start page 1
End page 18
Total pages 18
Publisher M D P I AG
Abstract Pipe-jacking is a construction method widely used in pipeline constructions. Prediction of ground deformation induced by pipe-jacking, is important for safety and scheduling purposes. This paper presents an approach to predict ground deformation during pipe-jacking considering following factors: (i) bulkhead additive thrust; (ii) friction on jacking machine; (iii) grouting pressure; and (iv) ground loss. Mindlin's solution was used to calculate the ground deformation induced by bulkhead additive thrust and friction on the jacking machine. The shearing disturbance coefficient was adopted to evaluate the mitigation effect of shearing behavior on ground deformation. Verruijt's solution was used to simulate the effect of grouting pressure. Sagaseta's method was adopted to consider the ground loss induced by over-excavation. Subsequently, a three-dimensional analytical solution for ground deformation induced by pipe-jacking was obtained. A case study based on a pipe-jacking project undertaken in Jiangsu, China was analyzed to validate the proposed approach. The results indicated that the proposed approach was robust and could be implemented for future pipe-jacking projects.
Subject Civil Geotechnical Engineering
Keyword(s) Ground deformation
Grouting pressure
Pipe-jacking
Prediction method
DOI - identifier 10.3390/app8071051
Copyright notice © 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
ISSN 2076-3417
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