Contributions to responses of existing tunnel subjected to nearby excavation: A review

F Meng, R Chen, Y Xu, K Wu, H Wu, Y Liu - Tunnelling and Underground …, 2022 - Elsevier
Excavation nearby an existing tunnel is frequently encountered in underground construction,
especially in congested urban areas. Essentially, the responses of the ground and existing …

Theoretical analysis on the deformation of existing tunnel caused by under-crossing of large-diameter slurry shield considering construction factors

Z Ding, MB Zhang, X Zhang, XJ Wei - Tunnelling and Underground Space …, 2023 - Elsevier
With the expansion of underground space networks, new tunnels especially large-diameter
shields under-crossing existing tunnels have been commonly practiced. To obtain a better …

[HTML][HTML] Auto machine learning-based modelling and prediction of excavation-induced tunnel displacement

D Zhang, Y Shen, Z Huang, X Xie - Journal of Rock Mechanics and …, 2022 - Elsevier
The influence of a deep excavation on existing shield tunnels nearby is a vital issue in
tunnelling engineering. Whereas, there lacks robust methods to predict excavation-induced …

A simplified prediction method for evaluating tunnel displacement induced by laterally adjacent excavations

G Zheng, X Yang, H Zhou, Y Du, J Sun, X Yu - Computers and Geotechnics, 2018 - Elsevier
This investigation aimed to develop a simplified semi-empirical method of assessing the
deformation of tunnels laterally adjacent to excavations. A finite element analysis using the …

Effect and control of foundation pit excavation on existing tunnels: A state-of-the-art review

W Wu, H Lu, S Chen, D Zhang - Tunnelling and Underground Space …, 2024 - Elsevier
Foundation pit excavation near existing tunnels has become increasingly common in cities.
Excavation-induced unloading can inevitably affect existing tunnels and threaten their …

Long-term performance of metro tunnels induced by adjacent large deep excavation and protective measures in Nanjing silty clay

B Liu, DW Zhang, C Yang, QB Zhang - Tunnelling and underground space …, 2020 - Elsevier
This paper presents the construction of a large-scale basement excavation adjacent to the
two running metro tunnels in Nanjing silty clay. To investigate the influences of excavation …

General solutions for the longitudinal deformation of shield tunnels with multiple discontinuities in strata

H Cheng, R Chen, H Wu, F Meng, Y Yi - Tunnelling and Underground …, 2021 - Elsevier
This paper proposes an approach for evaluating the longitudinal deformation of shield
tunnels caused by potential disturbance after construction, advocating consideration of the …

Construction techniques and mechanical behavior of newly-built large-span tunnel ultra-short distance up-crossing the existing shield tunnel with oblique angle

Y Zhang, L Tao, J Liu, X Zhao, F Guo, L Tan… - … and Underground Space …, 2023 - Elsevier
In recent years, with the rapid increase of urban subway lines, crossing engineering has
become another complex problem of modern tunnel construction techniques, and especially …

Performances of adjacent metro structures due to zoned excavation of a large-scale basement in soft ground

R Liang, J Wu, L Sun, W Shen, W Wu - Tunnelling and Underground Space …, 2021 - Elsevier
A field case of a large-scale basement excavation constructed at a side of a metro station
was extensively reported and analysed. The 236.7-m-long, 145.8-m-wide, and 23.2–27.3-m …

Effect of the excavation clearance of an under-crossing shield tunnel on existing shield tunnels

M Yin, H Jiang, Y Jiang, Z Sun, Q Wu - Tunnelling and Underground Space …, 2018 - Elsevier
The excavation by earth pressure balance (EPB) shield could cause stress fields varied,
which is harmful to adjacent existing structures. Thus the effect of excavation clearance of …