To read this content please select one of the options below:

A variational method for calculating the longitudinal deformation of a shield tunnel in soft soil caused by grouting under tunnel

Honggui Di (Key Laboratory of Road and Traffic Engineering of the Ministry of Education, Tongji University, Shanghai, China and Shanghai Key Laboratory of Rail Infrastructure Durability and System Safety, Tongji University, Shanghai, China)
Shihao Huang (Key Laboratory of Road and Traffic Engineering of the Ministry of Education, Tongji University, Shanghai, China and Shanghai Key Laboratory of Rail Infrastructure Durability and System Safety, Tongji University, Shanghai, China)
Longlong Fu (Key Laboratory of Road and Traffic Engineering of the Ministry of Education, Tongji University, Shanghai, China and Shanghai Key Laboratory of Rail Infrastructure Durability and System Safety, Tongji University, Shanghai, China)
Binglong Wang (Key Laboratory of Road and Traffic Engineering of the Ministry of Education, Tongji University, Shanghai, China and Shanghai Key Laboratory of Rail Infrastructure Durability and System Safety, Tongji University, Shanghai, China)

Engineering Computations

ISSN: 0264-4401

Article publication date: 29 January 2021

Issue publication date: 9 July 2021

324

Abstract

Purpose

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/approach

The 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.

Findings

The 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/value

This 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.

Keywords

Acknowledgements

This study was financially supported by the National Natural Science Foundation of China through Grant No. 51808405 and the Science Research Program of the Shanghai Municipal Commission of Science and Technology through Grant No. 19DZ1201004.

Citation

Di, H., Huang, S., Fu, L. and Wang, B. (2021), "A variational method for calculating the longitudinal deformation of a shield tunnel in soft soil caused by grouting under tunnel", Engineering Computations, Vol. 38 No. 6, pp. 2733-2754. https://doi.org/10.1108/EC-09-2020-0490

Publisher

:

Emerald Publishing Limited

Copyright © 2021, Emerald Publishing Limited

Related articles