Evaluation of optimized depth of waterproof curtain to mitigate negative impacts during dewatering

XW Wang, TL Yang, YS Xu, SL Shen - Journal of hydrology, 2019 - Elsevier
Dewatering using a combination of waterproof curtain and pumping wells is commonly
adopted to ensure the stability of foundation pits in multi-aquifer strata. However, dewatering …

Model test to investigate waterproof-resistant slab minimum safety thickness for water inrush geohazards

H Jiang, L Li, X Rong, M Wang, Y Xia… - … and Underground Space …, 2017 - Elsevier
The study of waterproof-resistant slab minimum safety thickness for water inrush geohazards
is of great significance during the design and construction phase of tunnel engineering …

Experimental and numerical study of the water inrush mechanisms of underground tunnels due to the proximity of a water-filled karst cavern

D Pan, S Li, Z Xu, P Lin, X Huang - Bulletin of Engineering Geology and …, 2019 - Springer
The mechanism of lagging water inrush in underground tunnel constructions due to the
proximity of a karst cavern with confined water is investigated via large-scale physical three …

Field experiment and numerical simulation of coupling non-Darcy flow caused by curtain and pumping well in foundation pit dewatering

J Wang, X Liu, Y Wu, S Liu, L Wu, R Lou, J Lu, Y Yin - Journal of Hydrology, 2017 - Elsevier
High-velocity non-Darcy flow produced larger drawdown than Darcy flow under the same
pumping rate. When the non-Darcy flow caused by curtain met non-Darcy flow caused by …

Failure mechanism analysis and treatment of tunnels built in karst fissure strata: A case study

X Su, J Lai, E Ma, J Xu, J Qiu, W Wang - Engineering Failure Analysis, 2025 - Elsevier
With the rapid increase of tunnels built in karst fissure strata, much more problems appeared
during the construction process. Based on the Liangwangshan Tunnel, this article presents …

Performance of a deep excavation in Lanzhou strong permeable sandy gravel strata

Y Zheng, J Xiong, T Liu, X Yue, J Qiu - Arabian Journal of Geosciences, 2020 - Springer
A large air shaft engineered between the Olympic Sports Center Station and Century
Avenue Station of the Lanzhou Metro Line one, China, occurred in strong permeable sandy …

Experimental investigation of fracture propagation and inrush characteristics in tunnel construction

Z Huang, W Zeng, Y Wu, SJ Li, K Zhao - Natural Hazards, 2019 - Springer
It is well known that water inrush during excavation is one of the greatest challenges in
modern underground engineering. However, the fracture propagation and inrush …

Impact of the depth of diaphragm wall on the groundwater drawdown during foundation dewatering considering anisotropic permeability of aquifer

X Wang, Y Xu - Water, 2021 - mdpi.com
Foundation dewatering combined with a waterproof curtain is widely applied to ensure the
safety of the foundation pit in areas with multi-aquifer–aquitard alternative strata. The buried …

Risk assessment of seepage failure in deep excavations based on fuzzy analytic hierarchy process and cloud model

J Wu, Z Zhou - Acta Geotechnica, 2023 - Springer
Seepage failures are frequently encountered in deep excavation owing to the strong
demand of underground space projects, which triggers serious geo-disasters and numerous …

Numerical analysis of deformation control of deep foundation pit in Ulanqab city

Z Wang - Geotechnical and Geological Engineering, 2021 - Springer
The deformation of a deep foundation pit in Ulanqab city was analyzed by in situ monitoring
and numerical simulation data. First, a limit equilibrium method was used to evaluate the …