Deformation failure characteristics of weathered phyllite tunnel and variable-stiffness support countermeasures: A case study
W Zan, L Liu, J Lai, E Wang, Y Zhou, Q Yang - Engineering Failure Analysis, 2023 - Elsevier
Extreme deformation and collapse induced by tunnelling commonly occur in weathered
phyllite strata even with conservative design. Taking a highway tunnel in weathered phyllite …
phyllite strata even with conservative design. Taking a highway tunnel in weathered phyllite …
[HTML][HTML] Analysis of the interaction between bolt-reinforced rock and surface support in tunnels based on convergence-confinement method
To investigate the interaction of the bolt-reinforced rock and the surface support, an
analytical model of the convergence-confinement type is proposed, considering the …
analytical model of the convergence-confinement type is proposed, considering the …
Large deformation characteristics and the countermeasures of a deep-buried tunnel in layered shale under groundwater
Deep-buried tunnels constructed through layered soft rocks undergo large deformation,
which threatens their safety and leads to construction delay. When a soft rock tunnel is …
which threatens their safety and leads to construction delay. When a soft rock tunnel is …
Numerical modelling and field observations on the failure mechanisms of deep tunnels in layered surrounding rock
Tunnelling through layered rock mass with high geo-stress often leads to large deformation
disasters, including rock collapses and structural failures. This study investigates the …
disasters, including rock collapses and structural failures. This study investigates the …
[HTML][HTML] Control effect and optimization scheme of combined rockbolt-cable support for a tunnel in horizontally layered limestone: A case study
This study focused on the mechanical behavior of a deep-buried tunnel constructed in
horizontally layered limestone, and investigated the effect of a new combined rockbolt–cable …
horizontally layered limestone, and investigated the effect of a new combined rockbolt–cable …
Large-scale model test and numerical analysis of load-bearing arch characteristics of large cross-section tunnel under high geostress
Understanding the failure process and the load-bearing arch effect of the surrounding rock is
crucial for the stability control and support design of tunnels under high geostresses. In this …
crucial for the stability control and support design of tunnels under high geostresses. In this …
Failure investigation of the tunnel lining in expansive mudstone–A case study
H Zhang, G Liu, W Chen, G Guo, Z Xia, B Li, Z Li… - Engineering Failure …, 2024 - Elsevier
When studying the deformation characteristic of tunnel lining in the expansive surrounding
rock, most research focuses on the expansion effect of surrounding rock after water …
rock, most research focuses on the expansion effect of surrounding rock after water …
Enhancing tunnel stability under high ground stress: rheological analysis and support strategies
J Zhang, X Xiang, R Du, X Zhang - Geotechnical and Geological …, 2024 - Springer
Aiming at the large deformation of surrounding rock during tunnel construction under high
ground stresses, this paper takes a high ground stress soft rock tunnel project in Yunnan …
ground stresses, this paper takes a high ground stress soft rock tunnel project in Yunnan …
Analytical approach for the design of composite linings in deep tunnels considering the blasting damaged zone
Tunneling using the drilling and blasting method induces a blasting damaged zone around
the tunnel, which affects the tunnel stability as well as the resulting support design. In this …
the tunnel, which affects the tunnel stability as well as the resulting support design. In this …
Research on stress field inversion and large deformation level determination of super deep buried soft rock tunnel
B Zhang, Z Tan, J Zhao, F Wang, K Lin - Scientific Reports, 2024 - nature.com
Understanding the characteristics and distribution patterns of the initial geo-stress field in
tunnels is of great significance for studying the problem of large deformation of tunnels …
tunnels is of great significance for studying the problem of large deformation of tunnels …