Analytical solution for stress distribution around deep lined pressure tunnels under the water table

X Dong, A Karrech, C Qi, M Elchalakani… - International Journal of …, 2019 - Elsevier
Existing models on the stress distribution around deep buried tunnels pay little attention to
the impact of rock-liner interaction and seepage variation. The conventional solution for …

Combined effect of anisotropy and uncertainty on the safe mud pressure window of horizontal wellbore drilled in anisotropic saturated rock

NH Tran, DP Do, MN Vu, TTN Nguyen, DT Pham… - International Journal of …, 2022 - Elsevier
The investigation of safe mud pressure window of horizontal wellbore drilled in the saturated
rock by accounting for the combined effect of anisotropy and uncertainty is the main purpose …

Closed-form solution of stress state and stability analysis of wellbore in anisotropic permeable rocks

DP Do, NH Tran, HL Dang, D Hoxha - International Journal of Rock …, 2019 - Elsevier
This work aims to develop a closed-form solution of stress state around wellbore drilled in
the anisotropic permeable rocks taking into account the transient effect of fluid flow. For this …

Excavation induced over pore pressure around drifts in the Callovo-Oxfordian claystone

MN Vu, LM Guayacán Carrillo… - European Journal of …, 2023 - Taylor & Francis
Continuous field monitoring during drifts excavation at the Meuse/Haute-Marne
Underground Research Laboratory showed anisotropic hydromechanical responses, which …

Assessment of the influence of hydraulic and mechanical anisotropy on the fracture initiation pressure in permeable rocks using a complex potential approach

DP Do, NH Tran, D Hoxha, HL Dang - International Journal of Rock …, 2017 - Elsevier
This work aims at studying the fracture initiation pressure of a horizontal wellbore drilled in
an anisotropic poroelastic medium based on an analytical model. Using the complex …

Study on waterproof and drainage technology of mountain tunnel in high-pressure and water-rich region

X Luo, J Zhang, Z Lu, H Yao - European Journal of Environmental …, 2024 - Taylor & Francis
High-pressure groundwater brings great challenges to the construction of mountain tunnels.
Hence, controlling and discharging groundwater are two key problems that must be …

Hydraulic pressure effect on mechanical properties and permeabilities of layered rock mass: An experimental study

W Huang, H Wang, T Zhang, M He… - European Journal of …, 2023 - Taylor & Francis
The triaxial compression tests under different hydraulic pressures and low confining
pressure were carried out to study the hydraulic pressure effect on the mechanical …

[HTML][HTML] Three-dimensional hydro-mechanical coupling numerical simulation of shield-driven cross-river twin tunnels: A case study

C Wang, X Liu, D Song, E Wang, G Yan, R Zhou - Underground Space, 2024 - Elsevier
With the rapid development of urban underground space, the construction of shield-driven
cross-river twin tunnels is increasing, and the complex hydro-mechanical coupling effects …

Analytical poro‐elastic solution of deep lined tunnels in anisotropic rock with consideration of tunnel face advance

NH Tran, DP Do, D Hoxha, MN Vu… - … Journal for Numerical …, 2024 - Wiley Online Library
This paper aims at deriving a closed‐form solution for deep lined tunnels within a saturated
anisotropic poro‐elastic medium. The derivation of the solution is carried out with the …

Influence of asymmetric blockage of the drainage system of a deep-buried tunnel on water gushing

H Fu, P An, Y Wu, J Li, L Chen - Journal of Mountain Science, 2022 - Springer
Asymmetric blockage of drainage systems occasionally occurs, which seriously threatens
the safety of tunnel operation. Based on theoretical analysis, a calculation expression of …