Large-deformation study of T-bar penetration in spatially variable sediments

F Liu, P Cheng, Y Luo, J Yi, X Chen, Y Peng, J Hu… - Applied Ocean …, 2024 - Elsevier
The T-bar penetrometer is extensively used in offshore field investigation and laboratory
testing to evaluate the undrained shear strength of soft clay because of its reliability and …

Large-deformation finite-element modelling of face instability during tunnelling in clayey soils: Incorporating dynamic excavation process

X Chen, Y Hu, K Yao, RL Sousa - Tunnelling and Underground Space …, 2024 - Elsevier
Earth pressure balance (EPB) shield tunnelling plays a crucial role in urban infrastructure
development but faces challenges due to potential face instability. Previous studies often …

[HTML][HTML] Ground settlement and tunnel response due to twin-curved shield tunnelling in soft ground with small clear distance

Y Hu, H Tang, Y Xu, H Lei, P Zeng, K Yao… - Journal of Rock …, 2024 - Elsevier
Twin curved tunnels are often encountered in shield tunnelling, where significant
complexities in densely exploited underground space are observed. In this study, the ground …

Simulation of geological uncertainty based on improved three-dimensional coupled Markov chain model

QH Jiang, JZ Zhang, DM Zhang, HW Huang - Engineering Geology, 2024 - Elsevier
The natural stratigraphic distribution is uncertain due to the geological tectonic movements
and sedimentation. It is a challenge for traditional deterministic models to capture geological …

Ultimate Pit Limit Optimization Method with Integrated Consideration of Ecological Cost, Slope Safety and Benefits: A Case Study of Heishan Open Pit Coal Mine

X Xu, Z Zhu, L Ye, X Gu, Q Wang, Y Zhao, S Liu… - Sustainability, 2024 - mdpi.com
The ecological impacts of mining and the instability of slopes are the key factors restricting
the safe, efficient, and low-carbon production of open-pit mines. This study focused on the …

Effect of soil spatial variability on the stability of pipelines under horizontal loading

F Liu, P Cheng, Z Wang, JT Yi, X Chen, Y Peng… - Computers and …, 2024 - Elsevier
Submarine pipeline has been utilized more and more widely in offshore oil and gas
transportation engineering. Given that these pipelines frequently subject horizontal loading …

[HTML][HTML] Real-time unsupervised monitoring of earth pressure balance shield-induced sinkholes in mixed-face ground conditions via convolutional variational …

J Loy-Benitez, HK Lee, MK Song, JK Lee… - … and Underground Space …, 2024 - Elsevier
This study introduces a real-time unsupervised monitoring framework for monitoring
sinkhole formation events during earth pressure balance (EPB) shield tunneling operations …

Effect of soil arching evolution on tunnel face stability considering spatially variable sandy soils

X Chen, Y Hu, P Cheng, PP Fang, K Yao - Transportation Geotechnics, 2025 - Elsevier
Tunnelling, an essential tool of underground space exploration, often encounters the
challenge of face instability, especially in spatially variable soils, which poses significant …

Seismic Response and Dynamic Failure Mode of a Class of Bedding Rock Slope Subjected to Freeze–Thaw Cycles

Y Liu, P Cheng, E Liu, J Hu, Y Cheng, L Su - Rock Mechanics and Rock …, 2024 - Springer
Natural freeze–thaw (FT) cycles and earthquakes are two key triggers for landslides in cold
regions. However, investigations on their coupled effect are rare. In the current work, this …

Reliability analyses of underground tunnels by an adaptive support vector regression model

A Thapa, A Roy, S Chakraborty - Computers and Geotechnics, 2024 - Elsevier
The application of adaptive support vector regression (SVR) models in tunnel reliability
analysis is limited. A two-stage adaptive SVR-based metamodel is proposed for tunnel …