[HTML][HTML] Tunneling and deep excavations in spatially variable soil and rock masses: A short review

W Zhang, L Han, X Gu, L Wang, F Chen, H Liu - Underground Space, 2022 - Elsevier
In an urbanization process, infrastructure elements such as tunnels and deep excavations
are widely used to service the development of cities. Owing to the lengthy geological …

Water flow into tunnels in discontinuous rock: a short critical review of the analytical solution of the art

H Farhadian, A Nikvar-Hassani - Bulletin of Engineering Geology and the …, 2019 - Springer
Indeed, determination of groundwater inflow into tunnels, especially in discontinuous rock
masses, is still one of the most challenging issues faced by tunneling experts, which may …

Non-Darcian flow effect on discharge into a tunnel in karst aquifers

YF Chen, Z Liao, JQ Zhou, R Hu, Z Yang… - International Journal of …, 2020 - Elsevier
The groundwater flow in karst aquifers is prone to become non-Darcian due to the presence
of karst conduits, and this effect may become more pronounced during tunnel construction …

A semi-empirical model for water inflow into a tunnel in fractured-rock aquifers considering non-Darcian flow

JQ Zhou, HB Liu, C Li, XL He, H Tang, XJ Zhao - Journal of Hydrology, 2021 - Elsevier
Water inflow into a tunnel is usually estimated by assuming that the flow follows the linear
Darcy's law. However, fluid flow in fractured-rock aquifers is prone to deviation from Darcy's …

Elaborate simulation and predication of the tunnel drainage effect on karst groundwater field and discharge based on Visual MODFLOW

Y Lv, J Jiang, L Chen, W Hu, Y Jiang - Journal of Hydrology, 2022 - Elsevier
The groundwater drawdown caused by tunnel excavation can change the hydrogeological
flow system in karst areas. However, how to overcome the heterogeneity in karst aquifers …

Numerical investigation on the stability of deforming fractured rocks using discrete fracture networks: a case study of underground excavation

L Wang, W Chen, X Tan, X Tan, J Yang, D Yang… - Bulletin of Engineering …, 2020 - Springer
The stability of a fractured rock mass around a subsurface opening is critical to tunnel
excavation. The traditional underground excavation analysis is based on a continuum …

Undrained analysis of ground reaction curves for deep tunnels in saturated ground considering the effect of ground reinforcement

P Li, F Wang, Q Fang - Tunnelling and Underground Space Technology, 2018 - Elsevier
This paper investigated the undrained responses for deep circular tunnels with
reinforcement in saturated ground analytically. An idealized model of an axisymmetric tunnel …

Experimental investigation of the seepage failure between bulkheads and surrounding rocks in deep underground mines

Y Hang, W Sui, S Yuan - Bulletin of Engineering Geology and the …, 2022 - Springer
This paper presents an experimental investigation of seepage failure between water
retention bulkheads and surrounding rocks. Water retention bulkheads are commonly used …

Seepage stability analysis of a deep-buried tunnel in fractured rocks based on a non-Darcy hydro-mechanical coupled method

J Jia, Y Chen, H Luo, G Ma - Tunnelling and Underground Space …, 2023 - Elsevier
Non-Darcy seepage commonly occurs in fractured rocks with an adequate groundwater
system around deep-buried tunnels. This study develops a numerical method for capturing …

Experimental investigation of the nonlinear evolution from pipe flow to fissure flow during carbonate rock failures

H Sun, X Liu, Z Ye, E Wang - Bulletin of Engineering Geology and the …, 2021 - Springer
Fissure flow (FF)-induced disasters are a basic scientific difficulty in the fields of rock
mechanics and geological engineering disasters. Based on large collapse and landslide …