[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 …

On the AVISA model for clay–Recommendations for calibration and verification based on the back analysis of a piled raft

M Tafili, A Ganal, T Wichtmann, O Reul - Computers and Geotechnics, 2023 - Elsevier
This paper provides a manual for the thorough calibration of material parameters of the
anisotropic visco ISA (AVISA) model and discusses some of the pitfalls that can arise when …

Impact of the installation on the long-term cyclic behaviour of piles in sand: A numerical study

P Staubach, J Machaček, MC Moscoso… - Soil Dynamics and …, 2020 - Elsevier
The installation process changes the state of the soil in the vicinity of a pile and therefore
influences its load-displacement behaviour during the operational phase following the …

Constitutive anamnesis model (CAM) for fine‐grained soils

M Tafili, C Grandas, T Triantafyllidis… - … Journal for Numerical …, 2022 - Wiley Online Library
Mainly, two divisions are encountered in the literature regarding constitutive models: elasto‐
plasticity and hypoplasticity. In addition, barodesy and the framework of generalized …

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 …

Strain-dependent slope stability for earthquake loading

C Schmüdderich, J Machaček… - Computers and …, 2022 - Elsevier
Assessment of the seismic slope stability in terms of a factor of safety (FoS) is often
addressed using pseudo-static approaches neglecting material-induced failure and the role …

Deep vibratory compaction simulated using a high-cycle accumulation model

P Staubach, I Kimmig, J Machaček, T Wichtmann… - Soil Dynamics and …, 2023 - Elsevier
Deep vibratory compaction (DVC) is an effective ground improvement method for granular
soils in a loose initial state. An efficient numerical approach to simulate the whole process of …

[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 …

Back-analysis of model tests on piles in sand subjected to long-term lateral cyclic loading: Impact of the pile installation and application of the HCA model

P Staubach, J Machaček, R Sharif… - Computers and …, 2021 - Elsevier
The back-analysis of model tests on piles subjected to high-cyclic lateral loading using the
high-cycle accumulation (HCA) model is presented. The installation of the pile prior to the …

Entwicklungen in der numerischen Modellierung geotechnischer Randwertprobleme: Automatische Parameterkalibrierung, erdbebeninduzierte Verflüssigung und …

J Machaček, P Staubach - Bautechnik, 2023 - Wiley Online Library
In diesem Aufsatz werden neue Entwicklungen im Rahmen des Finite‐Elemente‐
Programms numgeo vorgestellt und deren Anwendbarkeit und Robustheit durch Simulation …