Tunnel deformation and stress response under the bilateral foundation pit construction: A case study

S Fan, Z Song, T Xu, K Wang, Y Zhang - Archives of Civil and Mechanical …, 2021 - Springer
Bilateral deep foundation pit excavation would cause the stress redistribution and large
deformation of the adjacent tunnel, and even induce the lining structure cracking. This paper …

Numerical study on responses of an existing metro line to staged deep excavations

MG Li, X **ao, JH Wang, JJ Chen - Tunnelling and Underground Space …, 2019 - Elsevier
Responses of a substructure adjacent to deep excavations are complex, especially when
the substructure is connected to the supporting systems of the excavations. In this study, a …

Comparative study of construction methods for deep excavations above shield tunnels

MG Li, JJ Chen, JH Wang, YF Zhu - Tunnelling and Underground Space …, 2018 - Elsevier
Although an appropriate construction method contributes to minimizing the excavation-
induced impact on existing facilities, few studies have focused on the comparison and …

Zoned and staged construction of an underground complex in Shanghai soft clay

MG Li, ZJ Zhang, JJ Chen, JH Wang, AJ Xu - Tunnelling and Underground …, 2017 - Elsevier
Construction of an underground complex in congested urban areas calls for excavation of a
group of foundation pits, referred to as a pit complex, which are usually surrounded by …

Probabilistic assessment of groundwater leakage in diaphragm wall joints for deep excavations

P Castaldo, F Jalayer, B Palazzo - Tunnelling and Underground Space …, 2018 - Elsevier
A probabilistic method is proposed for conducting groundwater-related hazard assessments
that are useful for the risk management of deep excavations in saturated soils in urban …

Further development of distinct lattice spring model for stability and collapse analysis of deep foundation pit excavation

Z Li, GF Zhao, X Deng, J Zhu, Q Zhang - Computers and Geotechnics, 2022 - Elsevier
In this work, the distinct lattice spring model (DLSM) is further developed for handling
practical geotechnical problems. The Zienkiewicz-Pande (ZP) constitutive model is …

A novel data-driven optimization framework for unsupervised and multivariate early-warning threshold modification in risk assessment of deep excavations

X Wang, Y Pan, M Li, J Chen - Expert Systems with Applications, 2024 - Elsevier
Due to the great uncertainty and complexity in the underground environment, precious risk
perception in underground construction is a highly challenging problem. Excessive false …

Investigation of metro tunnel response to multiple adjacent large excavations in soft soils

Z Li, K Yang, X Xu, Y Yang, Y Jiang, L Tong… - … and Underground Space …, 2024 - Elsevier
Adjacent engineering activities affect existing tunnels in service, causing safety concerns.
Many studies have focused on single excavations overlying or parallel to adjacent existing …

Performance analysis of axially loaded secant pile wall embedded in sand: an experimental investigation

AM Basha, MH Zakaria, MT El-Nimr… - Arabian Journal for …, 2023 - Springer
In urban environments, temporary excavation support systems (ESSs) are intensively
recommended during the construction process of structures with underground levels to …

Novel excavation and construction method of an underground highway tunnel above operating metro tunnels

JJ Chen, YF Zhu, MG Li, SL Wen - Journal of Aerospace …, 2015 - ascelibrary.org
Security of metro tunnels is extremely important, but the influence of new underground
construction on existing tunnels has become more and more important. To control the …