[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 …

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 …

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 …

Novel approach to apply existing constitutive soil models to the modelling of interfaces

P Staubach, J Machaček… - International Journal for …, 2022 - Wiley Online Library
A novel scheme to apply constitutive (continuum) soil models to the mechanical modelling of
soil‐structure interfaces is presented. Opposite to existing approaches, all normal stress …

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 …

Mortar contact discretisation methods incorporating interface models based on Hypoplasticity and Sanisand: Application to vibratory pile driving

P Staubach, J Machaček, T Wichtmann - Computers and Geotechnics, 2022 - Elsevier
A segment-based mortar contact discretisation technique for the analysis of hydro-
mechanically coupled dynamic processes with quadratically interpolated finite elements and …

Enhancement of a high‐cycle accumulation model by an adaptive strain amplitude and its application to monopile foundations

P Staubach, J Machaček, L Tschirschky… - … for Numerical and …, 2022 - Wiley Online Library
The high‐cycle accumulation (HCA) model by Niemunis et al. allows the prediction of the
mechanical response of sand under millions of load cycles. It has originally been developed …

[PDF][PDF] Contributions to the numerical modelling of pile installation processes and high-cyclic loading of soils

P Staubach - Publications of the Chair of Soil Mechanics …, 2022 - scholar.archive.org
This work presents contributions to the numerical modelling of the installation process and
subsequent high-cyclic loading of piles, such as relevant for pile foundations for offshore …

3D numerical modeling of a rigid inclusion reinforced railway embankment under cyclic loading

J Zhang, D Dias, O Jenck - Transportation Geotechnics, 2023 - Elsevier
Rigid inclusion reinforcements of embankments are increasingly used in traffic route
engineering to ensure the long-term system sustainability and to enhance the soft subsoils …

Numerical investigation of displacement pile installation in silica sand

M Spyridis, S Lopez-Querol - Computers and Geotechnics, 2023 - Elsevier
The penetration of deep foundations into sand is a classic geotechnical engineering
problem that carries not yet fully understood aspects of the soil-pile interaction. The …