DEM analysis of the plugging effect of open-ended pile during the installation process

L Li, W Wu, H Liu, B Lehane - Ocean Engineering, 2021 - Elsevier
Mechanisms governing the sand plug behavior inside an open-ended pile are examined
using the discrete element method. A series of numerical pile penetration tests have been …

Centrifuge modeling of the cyclic lateral behavior of large-diameter monopiles in soft clay: Effects of episodic cycling and reconsolidation

Y Lai, L Wang, Y Hong, B He - Ocean Engineering, 2020 - Elsevier
Large-diameter monopiles supporting offshore wind turbines (OWTs) are subjected to
intermittent episodes of cycling and reconsolidation during the lifetime. The lateral soil-pile …

Sand-steel interface behaviour under large-displacement and cyclic shear

W Zhou, Z Guo, L Wang, J Li, S Rui - Soil Dynamics and Earthquake …, 2020 - Elsevier
Large-displacement shear appears between pile shaft and its surrounding soil during the
penetration process, and cyclic shear is the typical feature in subsequent service load …

Quantifying the influence of pile diameter on the load transfer curves of laterally loaded monopile in sand

H Wang, LZ Wang, Y Hong, B He, RH Zhu - Applied Ocean Research, 2020 - Elsevier
Although the load transfer curves (ie, py curves) recommended by the current industry
standards are regarded as questionable for the recently emerging large diameter monopile …

Numerical modelling of the fluid–seabed-structure interactions considering the impact of principal stress axes rotations

HY Zhao, JF Zhu, JH Zheng, JS Zhang - Soil Dynamics and Earthquake …, 2020 - Elsevier
The principal stresses that occur in soil below ground level often change direction due to
engineering activities. A typical example would be the cyclic loading applied by waves and …

Large-deformation analysis of pile installation with subsequent lateral loading: Sanisand vs. Hypoplasticity

P Staubach, J Machaček, T Wichtmann - Soil Dynamics and Earthquake …, 2021 - Elsevier
The simulation of the installation of open-ended piles using a Coupled Eulerian-Lagrangian
method in conjunction with two sophisticated constitutive soil models, Sanisand and …

Investigation of cyclic pile-sand interface weakening mechanism based on large-scale CNS cyclic direct shear tests

JW Liu, L Cui, N Zhu, B Han, J Liu - Ocean Engineering, 2019 - Elsevier
Bearing capacity failures of offshore pile foundations under cyclic loads in sandy soils are
usually initiated by soil strength reduction due to cyclic pile-sand interface sliding. In this …

[HTML][HTML] Optimization of inter-helix spacing for helical piles in sand

K Shao, Q Su, J Liu, K Liu, Z Xiong, T Wang - Journal of Rock Mechanics …, 2022 - Elsevier
The optimization of the inter-helix spacing is a key issue of the axial bearing capacity of
helical piles. In this paper, based on the cavity expansion, an analytical approach …

Prediction of the single pile seismic deflection by using FEM and ANN

A Namdar, O Mughieda, Y Liu, Y Deyu, Y Dong… - Geotechnical and …, 2024 - Springer
A failure prediction assessment is generally required to enhance infrastructural seismic
design. This study used Artificial Neural Networks (ANN) and the Finite Element Method …

Bearing behaviors and design method of laterally loaded batter pile groups (BPGs) in sand

S Zhao, J Wu, W Wu, M Wen, K Wang, RSM Faheem - Ocean Engineering, 2023 - Elsevier
In recent years, the batter pile groups (BPGs) are increasingly used in offshore engineering;
however, the optimal and economic design of BPGs is still poorly understood. Therefore, in …