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Twin tunnelling induced ground settlements: A review
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 …
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
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 …
investigate the mechanical characteristics for linings of asymmetrically closely-spaced twin …
Feasibility of PSO-ANN model for predicting surface settlement caused by tunneling
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 …
factors in subway and other infrastructure tunnel excavations. Therefore, accurate prediction …
Machine learning models to predict the tunnel wall convergence
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 …
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
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 …
surrounding soil, resulting in stratum deformation and surface settlement (SS), which will …
Three-dimensional numerical simulation of a mechanized twin tunnels in soft ground
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 …
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
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 …
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
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 …
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 …
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
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 …
required in urban environments, and it is now common to have tunnels crossing at various …