Twin tunnelling induced ground settlements: A review

MS Islam, M Iskander - Tunnelling and Underground Space Technology, 2021‏ - Elsevier
In the past few decades, the number of tunnels constructed next to an existing tunnel has
been gradually increasing in order to accommodate infrastructure needs in congested urban …

Experimental investigation of mechanical characteristics for linings of twins tunnels with asymmetric cross-section

H Zheng, P Li, G Ma, Q Zhang - Tunnelling and Underground Space …, 2022‏ - Elsevier
A large-scale 3D combined geomechanical model test is conducted in this study to
investigate the mechanical characteristics for linings of asymmetrically closely-spaced twin …

Feasibility of PSO-ANN model for predicting surface settlement caused by tunneling

M Hasanipanah, M Noorian-Bidgoli… - Engineering with …, 2016‏ - Springer
The potential surface settlement, especially in urban areas, is one of the most hazardous
factors in subway and other infrastructure tunnel excavations. Therefore, accurate prediction …

Machine learning models to predict the tunnel wall convergence

J Zhou, Y Chen, C Li, Y Qiu, S Huang, M Tao - Transportation Geotechnics, 2023‏ - Elsevier
Deformation and damage of the rock mass induced by excavation operations can result in
the tunnel wall convergence. Accurate prediction of the convergence is crucial for ensuring …

Multi-objective optimization of shield construction parameters based on random forests and NSGA-II

X Wu, L Wang, B Chen, Z Feng, YW Qin, Q Liu… - Advanced Engineering …, 2022‏ - Elsevier
Metro shield construction will inevitably cause changes in the stress and strain state of the
surrounding soil, resulting in stratum deformation and surface settlement (SS), which will …

Three-dimensional numerical simulation of a mechanized twin tunnels in soft ground

NA Do, D Dias, P Oreste, I Djeran-Maigre - Tunnelling and Underground …, 2014‏ - Elsevier
The increase in transportation in large cities makes it necessary to construct of twin tunnels
at shallow depths. Thus, the prediction of the influence of a new tunnel construction on an …

Stability analysis of the middle soil pillar for asymmetric parallel tunnels by using model testing and numerical simulations

H Zheng, P Li, G Ma - Tunnelling and Underground Space Technology, 2021‏ - Elsevier
The stability of the middle soil pillar (MSP) is considered to be a crucial factor in ensuring the
safety during the construction of asymmetric parallel tunnels. In this paper, both …

[HTML][HTML] Numerical investigation on the responses of existing single piles due to adjacent twin tunneling considering the lagging distance

C Phutthananon, S Lertkultanon, P Jongpradist… - Underground …, 2023‏ - Elsevier
This paper presents an assessment of the influence of the lagging distance between two
horizontal tunnel faces of the side-by-side twin tunnels on the responses of the adjacent …

Effects of lateral unloading on the mechanical and deformation performance of shield tunnel segment joints

C Shi, C Cao, M Lei, L Peng, H Ai - Tunnelling and Underground Space …, 2016‏ - Elsevier
Unloading during lateral excavation widely occurs in existing subway shield tunnels.
Previous studies have focused on the overall stress and deformation of existing tunnels …

Analysis of interaction between tunnels in soft ground by 3D numerical modeling

H Chakeri, R Hasanpour, MA Hindistan… - Bulletin of Engineering …, 2011‏ - Springer
Tunnels are increasingly being excavated in soft ground conditions when services are
required in urban environments, and it is now common to have tunnels crossing at various …