Deep seabed mining: Frontiers in engineering geology and environment

X Guo, N Fan, Y Liu, X Liu, Z Wang, X Xie… - International Journal of …, 2023 - Springer
Ocean mining activities have been ongoing for nearly 70 years, making great contributions
to industrialization. Given the increasing demand for energy, along with the restructuring of …

Impact action of submarine slides on pipelines: A review of the state-of-the-art since 2008

N Fan, J Jiang, T Nian, Y Dong, L Guo, C Fu, Z Tian… - Ocean …, 2023 - Elsevier
Submarine slides pose a serious threat to the safety of transmission pipelines in offshore
petroleum engineering. This threat is mainly manifested in the fact that pipelines are …

[HTML][HTML] Predicting impact forces on pipelines from deep-sea fluidized slides: A comprehensive review of key factors

X Guo, N Fan, D Zheng, C Fu, H Wu, Y Zhang… - International Journal of …, 2024 - Elsevier
Deep-sea pipelines play a pivotal role in seabed mineral resource development, global
energy and resource supply provision, network communication, and environmental …

A methodology to predict the run-out distance of submarine landslides

X Guo, T Stoesser, D Zheng, Q Luo, X Liu… - Computers and …, 2023 - Elsevier
In this paper, the method of computational fluid dynamics (CFD) is proposed to simulate a
fluidized submarine landslide with shear thinning non-Newtonian fluids over a seabed …

Lateral force on buried pipelines caused by seabed slides using a CFD method with a shear interface weakening model

X Guo, X Liu, M Li, Y Lu - Ocean Engineering, 2023 - Elsevier
With the extensive laying of subsea pipe networks, interactions between seabeds and
pipelines are attracting increasing attention; nevertheless, the study of buried pipelines …

Effect of pipeline surface roughness on peak impact forces caused by hydrodynamic submarine mudflow

X Guo, T Stoesser, T Nian, Y Jia, X Liu - Ocean Engineering, 2022 - Elsevier
The effect of pipeline surface roughness on the interaction between submarine landslides
and pipelines may not be insignificant and has rarely been quantified. In this paper, a …

Evaluation of undrained shear strength of surficial marine clays using ball penetration-based CFD modelling

X Guo, T Nian, D Wang, Z Gu - Acta Geotechnica, 2022 - Springer
The undrained shear strength of surficial marine clays is a significant parameter for
engineering construction and geological disaster assessment. The full-flow penetration test …

Numerical investigation of the landslide cover thickness effect on the drag forces acting on submarine pipelines

X Guo, T Nian, C Fu, D Zheng - Journal of Waterway, Port, Coastal …, 2023 - ascelibrary.org
Ranking among the most threatening and challenging marine geological disasters,
submarine landslides of different magnitudes have destroyed various pipelines, attracting …

Bearing capacity factors of T-bar from surficial to stable penetration into deep-sea sediments

X Guo, Z Liu, J Zheng, Q Luo, X Liu - Soil Dynamics and Earthquake …, 2023 - Elsevier
In-situ full-flow penetrometers (ie, the ball and T-bar) have shown great advantages and
promising applications in testing and evaluating the undrained shear strength of low …

Susceptibility assessment of regional submarine landslides triggered by seismic actions

T Nian, X Guo, D Zheng, Z Xiu, Z Jiang - Applied Ocean Research, 2019 - Elsevier
Submarine landslide and even its evolution to high-speed sliding masses can seriously
threaten the safety of ocean engineering. Earthquakes are the most frequent trigger factors …