Suffusion behavior of crushed calcareous sand under reversed cyclic hydraulic conditions

H Xiong, J Sun, F Chen, ZY Yin, X Chen - Construction and Building …, 2023 - Elsevier
Due to the unique properties of calcareous sand in reclamation projects, soil foundations
consisting of calcareous sand-filled land are often exposed to reversible tidal waves. This …

Micromechanical investigation into the mechanism of slurry fracturing and the effect of covering depth concerning shield tunneling in a sandy stratum

R Zhang, H Xiong, D Su, W Han, Q Li… - … and Underground Space …, 2024 - Elsevier
With progressive advancements in slurry shield tunneling, increasingly larger tunnels are
being constructed beneath shallow covering layers, leading to smaller cover-span ratios. If …

Analysis of seepage failure probability for high core rockfill dams during rapid drawdown of reservoir water level

Z Wu, C Chen, Y Zheng, J Chen, K Bian, J Li - Journal of Hydrology, 2024 - Elsevier
Rapid drawdown (RDD) is an abnormal reservoir flood control operation that may cause
seepage failure of high core rockfill dams. In this paper, a novel framework combining …

[HTML][HTML] Data-driven real-time prediction for attitude and position of super-large diameter shield using a hybrid deep learning approach

Y Fu, L Chen, H Xiong, X Chen, A Lu, Y Zeng… - Underground …, 2024 - Elsevier
The presented research introduces a novel hybrid deep learning approach for the dynamic
prediction of the attitude and position of super-large diameter shields-a critical consideration …

Resolved CFD-DEM Simulation of Free Settling of Polyhedral Particles with Various Orientations: Insights Provided by Oscillation Behavior in Quiescent Liquid

Z Zhang, Y Qiu, H Xiong, R Tang - Journal of Marine Science and …, 2023 - mdpi.com
Particle settling is the process by which particulates move toward the bottom of a liquid,
which can affect the sediment transport and energy balance of marine systems. However …

Internal erosion of a gap-graded soil and influences on the critical state

S Li, AR Russell, D Muir Wood - Acta Geotechnica, 2024 - Springer
Water retaining structures are critical elements of civil infrastructure. Internal erosion of soils
forming the containment structures may occur progressively and lead to expensive …

Deformation Pattern and Failure Mechanism of Railway Embankment Caused by Lake Water Fluctuation Using Earth Observation and On-Site Monitoring Techniques

S Li, Y Li, L Xu - Water, 2023 - mdpi.com
The prediction of railway embankment failure is still a global challenge for the railway
industry due to the complexity of embankment failure mechanisms. In this work, the pre …

Micro-mechanical analysis of tunnel face grouting reinforcement combined with critical potential failure model

F Chen, X Liu, H Xiong, ZY Yin, X Chen - Computers and Geotechnics, 2024 - Elsevier
In the domain of shield tunneling, the auxiliary pre-grouting technique plays a crucial role in
mitigating the instability of tunneling face in sandy strata, arising primarily from factors such …

Investigation on the responses of geotechnical materials to unloading and seepage based on the CFD-DEM coupling method

JH He, MG Li, X Xiao, JJ Chen - Computers and Geotechnics, 2024 - Elsevier
The unloading issue is prevalent in underground engineering and significantly affects
construction safety and the operation of surrounding facilities, while research regarding it is …

Microscopic origins of shape effects on migration and clogging of fines in porous media using coupled CFD-iDEM

H Xiong, Z Zhang, ZY Yin, X Chen, W Zhou - Acta Geotechnica, 2024 - Springer
The unstable mechanical behavior of soil particles during suffusion, including migration and
clogging of fine particles in porous media, is prone to induce seepage catastrophes …