Analysis of deformation control mechanism of prestressed anchor on jointed soft rock in large cross-section tunnel
G Li, Y Hu, S Tian, M Weibin, H Huang - Bulletin of Engineering Geology …, 2021 - Springer
Prestressed anchorage systems have been gradually applied in the treatment of large
deformation in soft rock tunneling. However, the research of support parameters on the …
deformation in soft rock tunneling. However, the research of support parameters on the …
[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 …
Analytical solutions for deep tunnels in strain-softening rocks modeled by different elastic strain definitions with the unified strength theory
This paper presents the analytical solutions for the responses of tunnels excavated in rock
masses exhibiting strain-softening behavior. Since previous analyses give little …
masses exhibiting strain-softening behavior. Since previous analyses give little …
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 …
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 …
Model tests on progressive collapse mechanism of a shallow subway tunnel in soft upper and hard lower composite strata
C Liu, S Zhang, D Zhang, K Zhang, Z Wang - Tunnelling and Underground …, 2023 - Elsevier
Numerous subway tunnels have been built in soft upper and hard lower composite strata.
However, the stability and bearing capacity of composite strata are difficult to predict …
However, the stability and bearing capacity of composite strata are difficult to predict …
[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 …
Analysis and countermeasures of large deformation of deep-buried tunnel excavated in layered rock strata: A case study
J Li, ZF Wang, Y Wang, H Chang - Engineering Failure Analysis, 2023 - Elsevier
Large deformation has been a common engineering problem during the construction of
tunnels in areas with high geo-stress, the large deformation of layered surrounding rock …
tunnels in areas with high geo-stress, the large deformation of layered surrounding rock …
Displacement process analysis of deep tunnels with grouted rockbolts considering bolt installation time and bolt length
This study investigates the interaction process between grouted bolts and tunnel
surrounding rock, and establishes an analytical model for deep tunnels reinforced with …
surrounding rock, and establishes an analytical model for deep tunnels reinforced with …
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 …