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- Publisher
- Emerald Publishing
- Copyright
- © Emerald Publishing Limited
- ISSN
- 0264-4401
- DOI
- 10.1108/ec-09-2020-0490
- Publisher site
- See Article on Publisher Site
Abstract
The paper aims to predict longitudinal deformation of a tunnel caused by grouting under the tunnel bottom in advance according to the grouting parameters, which can ensure the safety of the tunnel structure during the grouting process and also help to design the grouting parameters.Design/methodology/approachThe paper adopted the analytical approach for calculating the longitudinal deformation of a shield tunnel caused by grouting under a tunnel, including usage of the Mindlin’s solution, the minimum potential energy principle and case validation.FindingsThe paper provides a variational method for calculating the longitudinal deformation of a shield tunnel in soft soil caused by grouting under the tunnel, which has high computational efficiency and accuracy.Originality/valueThis paper fulfils an identified need to study how the longitudinal deformation of a shield tunnel in soft soil caused by grouting under the tunnel can be calculated.
Journal
Engineering Computations: International Journal for Computer-Aided Engineering and Software – Emerald Publishing
Published: Jul 9, 2021
Keywords: Variational method; Differential settlement; Shield tunnel; Grouting; Mindlin’s solution