[HTML][HTML] Scientific problems and research proposals for Sichuan–Tibet railway tunnel construction
Abstract The Sichuan–Tibet railway construction has received significant attention from both
China and abroad. The new section from Ya'an to Nyingchi is about 1018.6 km long …
China and abroad. The new section from Ya'an to Nyingchi is about 1018.6 km long …
Model test and numerical analysis for the face failure mechanism of large cross-section tunnels under different ground conditions
Face stability protection is a critical issue during large cross-section tunneling. This study
investigates the evolution mechanism of tunnel face instability with different ground …
investigates the evolution mechanism of tunnel face instability with different ground …
An insight from rock bolts and potential factors influencing their durability and the long-term stability of deep rock tunnels
W Frenelus, H Peng, J Zhang - Sustainability, 2022 - mdpi.com
Selecting and designing the most suitable support systems are crucial for securing
underground openings, limiting their deformation and ensuring their long-term stability …
underground openings, limiting their deformation and ensuring their long-term stability …
Convergence-confinement analysis for tunnels with combined bolt–cable system considering the effects of intermediate principal stress
The mechanical responses of tunnels reinforced by combined bolt–cable system are
investigated in this paper. An analytical model of the convergence-confinement type is …
investigated in this paper. An analytical model of the convergence-confinement type is …
[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 …
A constitutive model of freeze–thaw damage to transversely isotropic rock masses and its preliminary application
J Zhang, X Zhang, W Chen, Z Huang, R Du - Computers and Geotechnics, 2022 - Elsevier
A constitutive model was developed to study damage in transversely isotropic rock masses
caused by freeze–thaw cycles. The model was based on the Weibull distribution function …
caused by freeze–thaw cycles. The model was based on the Weibull distribution function …
Analysis of interaction between tunnel support system and surrounding rock for underwater mined tunnels considering the combined effect of blasting damage and …
When an underwater tunnel is constructed using the drill-and-blast method, the rock mass
around the tunnel undergoes significant blasting damage. Quantifying the combined effect of …
around the tunnel undergoes significant blasting damage. Quantifying the combined effect of …
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 monitoring study on large-span tunnelling using pretensioned bolt–cable combined support system
This study focused on a new support method, a pretensioned bolt–cable combined support
system, for large-span tunnelling. The Badaling tunnel is a high-speed railway station tunnel …
system, for large-span tunnelling. The Badaling tunnel is a high-speed railway station tunnel …
[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 …