Research on the influence of foundation pit excavation on the lateral force and deformation of side shield tunnels based on full-scale experiments

G Wei, F Feng, Y Cui, X Wang, H Diao, Y Wu - Tunnelling and Underground …, 2023 - Elsevier
To explore the internal force and deformation response law of the Hangzhou subway shield
segment under the influence of the excavation and unloading of the side foundation pit, the …

Analysis of the protective effect of setting isolation piles outside the foundation pit on the underpass tunnel side

G Wei, Y Qi, C Chen, S Zhang, C Qian… - Transportation Geotechnics, 2022 - Elsevier
Excavating and unloading a foundation pit cause deformation or even destruction of any
existing adjacent tunnel. In construction projects, isolation piles are often set between the …

Transverse force analysis of adjacent shield tunnel caused by foundation pit excavation considering deformation of retaining structures

X Zhang, G Wei, X Lin, C **a, X Wei - Symmetry, 2021 - mdpi.com
In order to research the theory for the variety of transverse forces of the adjacent shield
tunnels caused by foundation pits excavation, the effect mechanism of foundation pit …

Theoretical analysis of the barrier effect of embedded isolation piles on tunneling-induced vertical ground displacements

L Cao, X Chen, X Shen, D Zhang, D Su… - Computers and …, 2022 - Elsevier
This paper proposes an elastic solution for evaluating tunneling-induced vertical ground
displacements due to the restraint of embedded isolation piles. Based on the modified …

Theoretical investigation of the resistance effect of embedded isolation piles on tunneling-induced lateral ground movements

L Cao, D Lu, X Chen, D Su, X Zhou - Tunnelling and Underground Space …, 2025 - Elsevier
This paper presents an isolation pile–soil lateral interaction model that considers not only
the relative linear sliding at the pile-soil interface but also the pile group–soil interaction. The …

Experimental and numerical investigation on the effects of foundation pit excavation on adjacent tunnels in soft soil

ZT Yu, HY Wang, W Wang, DS Ling… - Mathematical …, 2021 - Wiley Online Library
Excavations near an existing tunnel are often encountered in underground construction. The
influence of the excavation on the adjacent tunnels is not yet fully understood. This study …

[HTML][HTML] Analytical solutions for the restraint effect of isolation piles against tunneling-induced vertical ground displacements

L Cao, X Chen, XT Lin, D Su, H Fang, D Lu - Journal of Rock Mechanics …, 2023 - Elsevier
This paper presents a simplified elastic continuum method for calculating the restraint effect
of isolation piles on tunneling-induced vertical ground displacement, which can consider not …

1 g Model Test on the Use of Isolation Piles for Tunnel Protection Adjacent to Soft Soil Excavation

K Liu, XB Xu, Q Hu, LB Zeng, JC Wang - Transportation Geotechnics, 2022 - Elsevier
As the rapid development of urbanisation, the available land resource is getting gradually
limited. In correspondence, underground constructions become popular and the influence of …

A study of pile row barriers close to the retaining wall of a deep excavation to protect existing tunnels: physical testing and a case history

X He, A Franza, X Luo, N Jiang, Y Yin - Bulletin of Engineering Geology …, 2024 - Springer
This paper investigates the use of a protective pile row barrier to mitigate the risk due to a
deep excavation in soft soils adjacent to an existing tunnel. The study includes two reduced …

Structural displacement and deformation of adjacent shield tunnel induced by foundation pit excavation

S Feng, M Wang, YX Jiang, YD Li… - Journal of Physics …, 2024 - iopscience.iop.org
Excavating a foundation pit close to a tunnel will unavoidably impact the nearby soil,
causing the tunnel to shift and deform. Examining the longitudinal displacement and …