Viscos-elastic-plastic solution for deep buried tunnels considering tunnel face effect and sequential installation of double linings
Tunnels excavated in soft rock under high in situ stress are usually accompanied by large
time-dependent deformation, slow convergence, and long periods of increased support load …
time-dependent deformation, slow convergence, and long periods of increased support load …
Calculating of the tunnel face deformations reinforced by longitudinal fiberglass dowels: from analytical method to artificial intelligence
Deformation calculation of the reinforced tunnel is always the key and difficult problem in
tunnel support design. To achieve simple and rapid tunnel performance evaluation, this …
tunnel support design. To achieve simple and rapid tunnel performance evaluation, this …
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 …
[HTML][HTML] Internal forces measured in segmental tunnel linings compared with numerical predictions obtained from state-of-the-art calculation methods used in …
Different calculation methods and modeling strategies are commonly used in engineering
practice to predict the internal forces in segmental tunnel linings. Accordingly, the calculation …
practice to predict the internal forces in segmental tunnel linings. Accordingly, the calculation …
Long-term analysis of tunnels in rheological rock masses considering the excavation-damaged zone
M Zaheri, M Ranjbarnia - International Journal of Geomechanics, 2023 - ascelibrary.org
According to the excavation methods of tunneling, a damaged zone may be developed in
the rock mass around the tunnel, the mechanical properties of which can be significantly …
the rock mass around the tunnel, the mechanical properties of which can be significantly …
A theoretical solution to investigate long-term behavior of pressurized tunnels in severe squeezing conditions
In this paper, an analytical-numerical method is presented to study the long-term behavior of
pressurized tunnels. In this regard, the pressurized tunnel construction is simplified into …
pressurized tunnels. In this regard, the pressurized tunnel construction is simplified into …
New analytical approach to simulate the longitudinal fiberglass dowels performance installed at the face of a tunnel embedded in weak and weathered rock masses
A new theoretical method is proposed to simulate the fiberglass dowels performance in the
confinement of the tunnel face in weak rock masses. In this method, to find the stress …
confinement of the tunnel face in weak rock masses. In this method, to find the stress …
Predicting long-term displacements of deep tunnels using an artificial neural network optimized by sand cat swarm optimization with Chebyshev map
Long-term tunnel displacement prediction is of great engineering significance to tunnel
maintenance and hazard warning. To that end, this paper provides a novel combination idea …
maintenance and hazard warning. To that end, this paper provides a novel combination idea …
[HTML][HTML] Reliability analysis of deep pressurized tunnels excavated in the rock mass with rheological behavior
Abstract Design of pressurized tunnels in rock masses which have a time-dependent
behavior is a challenging task. On the one hand, time-dependent behavior not only imposes …
behavior is a challenging task. On the one hand, time-dependent behavior not only imposes …
[HTML][HTML] Performance and damage assessment of fault-crossing road tunnel subjected to internal boiling liquid expanding vapor explosion (BLEVE)
Road tunnels constructed in complex rock strata may encounter unfavourable geological
formations such as rock faults. Grouting into rock faults around road tunnels or installing …
formations such as rock faults. Grouting into rock faults around road tunnels or installing …