[HTML][HTML] Investigation of three sophisticated constitutive soil models: From numerical formulations to element tests and the analysis of vibratory pile driving tests

J Machaček, P Staubach, M Tafili, H Zachert… - Computers and …, 2021 - Elsevier
The performance of three advanced constitutive models has been evaluated based on
element tests and on a comparative study on the simulation of vibratory pile driving tests in …

Gentle Driving of Piles at a sandy site combining axial and torsional vibrations: quantifying the influence of pile installation method on lateral behavior

E Kementzetzidis, F Pisanò, A Tsetas… - Journal of Geotechnical …, 2023 - ascelibrary.org
Gentle driving of piles (GDP) is a new technology for the vibratory installation of tubular
(mono) piles that aims to achieve both efficient installation and low noise emission by …

A high-cycle accumulation model for clay and its application to monopile foundations

P Staubach, J Machaček, M Tafili, T Wichtmann - Acta Geotechnica, 2022 - Springer
A high-cycle accumulation (HCA) model predicting the accumulation of permanent strain or
excess pore water pressure in clay under a large number of load cycles is presented. Data …

From cyclic sand ratcheting to tilt accumulation of offshore monopiles: 3D FE modelling using SANISAND-MS

H Liu, E Kementzetzidis, JA Abell, F Pisanò - Géotechnique, 2022 - icevirtuallibrary.com
Serviceability criteria for offshore monopiles include the estimation of long-term, permanent
tilt under repeated operational loads. In the lack of well-established analysis methods …

Monopile installation in clay and subsequent response to millions of lateral load cycles

P Staubach, L Tschirschky, J Machaček… - Computers and …, 2023 - Elsevier
The installation-induced changes in the state of clayey soils caused by pile driving
processes are investigated numerically. Hydro-mechanically coupled Coupled-Eulerian …

[HTML][HTML] Vibratory pile driving in water-saturated sand: Back-analysis of model tests using a hydro-mechanically coupled CEL method

P Staubach, J Machaček, J Skowronek… - Soils and foundations, 2021 - Elsevier
The development of a hydro-mechanically coupled Coupled-Eulerian–Lagrangian (CEL)
method and its application to the back-analysis of vibratory pile driving model tests in water …

Long-term deformations of monopile foundations for offshore wind turbines studied with a high-cycle accumulation model

P Staubach, T Wichtmann - Computers and Geotechnics, 2020 - Elsevier
A parametric study on the long-term deformations of monopile foundations for offshore wind
turbines is presented. The finite element calculations of a monopile in fine sand were …

[HTML][HTML] Impact of cyclic strain accumulation on the tilting behaviour of monopiles in sand: An assessment of the Miner's rule based on SANISAND-MS 3D FE …

H Liu, F Pisanò, HP Jostad, N Sivasithamparam - Ocean Engineering, 2022 - Elsevier
Offshore monopiles accumulate permanent tilt under long-lasting cyclic environmental
loads. Accurate prediction of monopile tilt is key to assessing their serviceability, and …

Fully implicit, stabilised, three-field material point method for dynamic coupled problems

X Zheng, F Pisanò, PJ Vardon, MA Hicks - Engineering with Computers, 2022 - Springer
This study presents the formulation and implementation of a fully implicit stabilised Material
Point Method (MPM) for dynamic problems in two-phase porous media. In particular, the …

Long-term response of piles to cyclic lateral loading following vibratory and impact driving in water-saturated sand

P Staubach, J Machaček, B Bienen… - Journal of Geotechnical …, 2022 - ascelibrary.org
The influence of the pile installation by vibratory or impact driving on the response to
subsequent cyclic lateral loading, as faced in the offshore environment, is investigated …