An analytical model to predict the limit support pressure on a deep shield tunnel face

RP Chen, XT Lin, HN Wu - Computers and Geotechnics, 2019 - Elsevier
The support pressure acting on a tunnel face is critical for the stability of the ground during
shield tunnelling. This paper presents a multi-arch model to predict the limit support …

Face stability analysis of a shallow tunnel in the saturated and multilayered soils in short-term condition

P Li, F Wang, C Zhang, Z Li - Computers And Geotechnics, 2019 - Elsevier
This paper presents a new 3D collapse mechanism to investigate the face stability of a
shallow tunnel embedded in the saturated and multi-layered soils with short-term condition …

[HTML][HTML] Prediction of the stress-strain state and stability of the front of tunnel face at the intersection of disturbed zones of the soil mass

AG Protosenya, AV Alekseev… - Записки Горного …, 2022 - cyberleninka.ru
The article presents a numerical solution of the spatial elastic-plastic problem of determining
the stability of the tunnel face soils at the intersection of disturbed zones of the soil mass …

Assessment of tunnel face stability subjected to an adjacent tunnel

L Feng, L Zhang - Reliability Engineering & System Safety, 2021 - Elsevier
This paper conducts a reliability assessment of the tunnel face stability induced by an
adjacent tunnel under incomplete information. The evaluation indicator in this study is the …

3D stability analysis of tunnel face with influence of unsaturated transient flow

CT Hou, XL Yang - Tunnelling and Underground Space Technology, 2022 - Elsevier
The analysis of tunnel face stability is commonly implemented with the assumption that the
soil is dry or fully saturated. However, many practical cases occur in partially saturated soils …

Microseismic characteristic and development mechanism of fault-slip rockburst in a deep-buried TBM excavated tunnel: A case study

Q Zhang, XP Zhang, Q Liu, J Chi, J Qiu - Tunnelling and Underground …, 2023 - Elsevier
An intense fault-slip rockburst occurred in a deep-buried tunnel excavated by tunnel boring
machine (TBM). After the intense rockburst occurrence, moderate rockburst and mud …

Soil conditioning for EPB shield tunneling in argillaceous siltstone with high content of clay minerals: Case study

X Ye, S Wang, J Yang, D Sheng… - International Journal of …, 2017 - ascelibrary.org
Soil clogging occurred in the early construction stage of Nanchang Metro Line 1, China,
when an earth balance pressure (EPB) shield passed through the argillaceous siltstone with …

Stochastic analysis of dual tunnels in spatially random soil

G Wu, H Zhao, M Zhao, Z Zhu - Computers and Geotechnics, 2021 - Elsevier
The undrained stability of dual circular tunnels buried in spatially random soils is
investigated by imposing the random adaptive finite element limit analysis (RAFELA). The …

Reliability study on shield tunnel face using a random limit analysis method in multilayered soils

HZ Cheng, J Chen, RP Chen, GL Chen - Tunnelling and Underground …, 2019 - Elsevier
Tunnels are generally driving in multilayered soils, and natural soils are well known to have
high variability in strength. However, few attempts have been made to consider both these …

Finite-element analysis of heat transfer of horizontal ground-freezing method in shield-driven tunneling

J Hu, Y Liu, H Wei, K Yao, W Wang - International Journal of …, 2017 - ascelibrary.org
When applying the artificial ground-freezing method in a shield-driven tunnel, the design of
the freezing zone and freezing time is of practical interest. Therefore, the distribution and …