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 …

Susceptibility of typical marine geological disasters: an overview

X Liu, Y Wang, H Zhang, X Guo - Geoenvironmental Disasters, 2023 - Springer
Background Marine geological disasters (ie, catastrophic events occurring in marine
environments) may seriously threaten the safety of engineering facilities, life, and property in …

[HTML][HTML] Centrifuge experiment on the penetration test for evaluating undrained strength of deep-sea surface soils

X Guo, T Nian, W Zhao, Z Gu, C Liu, X Liu… - International Journal of …, 2022 - Elsevier
Rapid advances in deep-sea mining engineering have created an urgent need for the
accurate evaluation of the undrained strength of marine soils, especially surface soils …

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 …

Inclined loading capacity of caisson anchor in South China Sea carbonate sand considering the seabed soil loss

S Rui, Z Guo, L Wang, H Wang, W Zhou - Ocean Engineering, 2022 - Elsevier
Seabed soil losses, eg, seabed trench and general scour, greatly affect the bearing capacity
and failure mode of caisson anchors. In this paper, a series of centrifuge model tests have …

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 …

Recent technological and methodological advances for the investigation of submarine landslides

Z Shan, H Wu, W Ni, M Sun, K Wang, L Zhao… - Journal of Marine …, 2022 - mdpi.com
Submarine landslides have attracted widespread attention, with the continuous
development of ocean engineering. Due to the recent developments of in-situ investigation …