Deformation and stress characteristics of existing twin tunnels induced by close-distance EPBS under-crossing

RP Chen, XT Lin, X Kang, ZQ Zhong, Y Liu… - … and Underground Space …, 2018 - Elsevier
This paper presented a case study on the deformation and stress characteristics of twin
tunnels induced by close distance earth pressure balance shield (EPBS) under-crossing in …

[HTML][HTML] Theoretical analysis of three-dimensional ground displacements induced by shield tunneling

J Dalong, S Xiang, Y Dajun - Applied Mathematical Modelling, 2020 - Elsevier
In this study, an approach to estimate three-dimensional ground displacements induced by
shield tunneling is proposed by using the superposition method, advocating consideration of …

A simplified two-stage method to estimate the settlement and bending moment of upper tunnel considering the interaction of undercrossing twin tunnels

Z Liu, J Xue, J Ye, J Qian - Transportation Geotechnics, 2021 - Elsevier
With the expansion of existing networks of underground system, many metro tunnels are
excavated in a pair undercrossing existing tunnels. The new excavations will affect the …

Relating twin-tunnelling-induced settlement to changes in the stiffness of soil

G Zheng, R Wang, H Lei, T Zhang, J Guo, Z Zhou - Acta Geotechnica, 2023 - Springer
Recent research has shown that in a parallel twin-tunnel arrangement, the 2nd tunnel
generates greater settlement than the 1st tunnel as the soil between the two tunnels softens …

Probabilistic analysis for twin tunneling-induced longitudinal responses of existing shield tunnel

X Gan, J Yu, X Gong, M Zhu - Tunnelling and Underground Space …, 2022 - Elsevier
This paper performs a probabilistic-based analysis for evaluating the longitudinal responses
of the existing shield tunnel to the twin tunneling underneath. A deterministic model based …

Construction control technology of a four-hole shield tunnel passing through pile foundations of an existing bridge: a case study

M Lei, Y Shi, Q Tang, N Sun, Z Tang… - Journal of Central South …, 2023 - Springer
In dense urban building environments, various adjacent construction projects will inevitably
occur during the large-scale construction of urban underground transportation projects …

[HTML][HTML] Ground movement induced by triple stacked tunneling with different construction sequences

Y Hu, H Lei, G Zheng, L Shi, T Zhang, Z Shen… - Journal of Rock …, 2022 - Elsevier
This study tried to explore the ground movement induced by triple stacked tunneling (TST)
with different construction sequences. A case study in Tianjin, China was used to investigate …

Two underground pedestrian passages using pipe jacking: case study

Y Sun, F Wu, W Sun, H Li, G Shao - Journal of Geotechnical and …, 2019 - ascelibrary.org
This case report presents two pedestrian passages underneath an urban expressway with a
spacing of 0.5 m, which were constructed using rectangular pipe jacking technology in …

The effects of excavating twin tunnels during cyclic loading on the progressive settlement of existing footing

J Xiao, J Ma, Z Liu, J Xue - Engineering Failure Analysis, 2024 - Elsevier
Tunnels may be constructed in a pair undercrossing existing geotechnical structures
exposed to cyclic loading. Such construction changes the stress state in the ground in …

Pore water pressure and total horizontal stress response to EPBM tunnelling in London Clay

MSP Wan, JR Standing, DM Potts, JB Burland - Géotechnique, 2019 - icevirtuallibrary.com
The ground response, in terms of surface and subsurface displacements, to twin-bore
Crossrail tunnel construction beneath a research monitoring site in Hyde Park, London …