Head of Chair

Interim Prof. Dr.-Ing. Patrick Staubach

Address: Coudraystraße 11c, Room 209
Telephon: +49 (0) 3643 / 58 45 54
E-mail: patrick.staubach[at]uni-weimar.de
Appointments by arrangement



P. Staubach, L. Tschirschky, J. Machaček, T. Wichtmann. Monopile installation in clay and subsequent response to millions of lateral load cycles. Computers and Geotechnics 155, 2023. doi.org/10.1016/j.compgeo.2022.105221

P. Staubach, I. Kimmig, J. Machaček, T. Wichtmann, Th. Triantafyllidis. Deep vibratory compaction simulated using a high-cycle accumulation model. Soil Dynamics and Earthquake Engineering, 2023. doi.org/10.1016/j.soildyn.2023.107763

J. Machaček, W. Fuentes, P. Staubach, H. Zachert, T. Wichtmann, Th. Triantafyllidis. A Theory of Porous Media for unsaturated soils with residual water and occluded air. Computers and Geotechnics 157, 2023. doi.org/10.1016/j.compgeo.2023.105324

P. Staubach. Zur numerischen Modellierung der Pfahlinstallation, Pfahl-Symposium 2023, Mitteilung des Instituts für Geomechanik und Geotechnik Technische Universität Braunschweig Heft 113, 45-75, 2023

P. Staubach, I. Kimmig, J. Machaček, T. Wichtmann, Th. Triantafyllidis. Reply to the discussion by V. Osinov et al. on “Deep vibratory compaction simulated using a high-cycle accumulation model” [Soil Dyn Earthq Eng 2023; 166: 107763], Soil Dynamics and Earthquake Engineering 171:107944, 2023. doi.org/10.1016/j.soildyn.2023.107944.

P. Staubach, J. Machaček, M. Tafili, T. Wichtmann: A high-cycle accumulation model for clay and its application to monopile foundations, Acta Geotechnica 17:677–698, 2022, doi.org/10.1007/s11440-021-01446-9

P. Staubach, J. Machaček, T. Wichtmann: Novel approach to apply existing constitutive soil models to the modelling of interfaces, International Journal for Numerical and Analytical Methods in Geomechanics 46(7):1241–1271, 2022, doi.org/10.1002/nag.3344

P. Staubach, J. Machaček, T. Wichtmann: Mortar contact discretisation methods incorporating interface models based on Hypoplasticity and Sanisand: application to vibratory pile driving, Computers and Geotechnics 146:104677, 2022, doi.org/10.1016/j.compgeo.2022.104677

P. Staubach, J. Machaček, B. Bienen, T. Wichtmann: Long-term response of piles to cyclic lateral loading following vibratory and impact driving in water-saturated sand, Journal of Geotechnical and Geoenvironmental Engineering 148:11, 2022, doi.org/10.1061/(ASCE)GT.1943-5606.0002906

J. Machaček, P. Staubach, C. Grandas, T. Wichtmann, H. Zachert: On the automatic parameter calibration of a hypoplastic soil model, Acta Geotechnica, doi.org/10.1007/s11440-022-01669-4

P. Staubach, J. Machaček, L. Rentzsch, T. Wichtmann: Impact of the installation process on piles subjected to lateral high-cyclic loading: back-analysis of model tests using a high-cycle accumulation model, Proceedings of the 7th International Young Geotechnical Engineers Conference, Sydney, Australian Geomechanics Society, 2022, 485–490

P. Staubach, J. Machaček, T. Wichtmann: Impact of the constitutive contact model on the simulation of model tests on monopiles with high-cyclic loading. Proceedings of the 20th International Conference on Soil Mechanics and Geotechnical Engineering, Sydney, Australian Geomechanics Society, 2022, 2685-2690

P. Staubach, J. Machaček: Langzeitverhalten von hochzyklisch beanspruchten Pfahlgründungen unter Berücksichtigung des Installationsprozesses. 37. Baugrundtagung, DGGT, 2022, https://dggt.de/images/bgt2022-S1.pdf

J. Machaček, S. Siegel, P. Staubach, H. Zachert: Automatic parameter calibration of two advanced constitutive models. Proceedings of the 16th International Conference of IACMAG Vol. 3, Challenges and Innovations in Geomechanics (Springer), doi.org/10.1007/978-3-031-12851-6_1, 2022

J. Machaček, F. Brosz, P. Staubach, T. Wichtmann, H. Zachert: Back-calculations of centrifuge tests on pile groups subjected to high-cyclic loading. DFI-EFFC International Conference on Deep Foundations and Ground Improvement: Smart Construction for the Future, 2022, 534-544

C. Schmüdderich, J. Machaček, F. Prada, P. Staubach, T. Wichtmann: Strain-dependent slope stability for earthquake loading. Computers and Geotechnics, 105048, 2022, doi.org/10.1016/j.compgeo.2022.105048.

T. Wichtmann, M. Tafili, J. Machaček, P. Staubach, F. Prada: Influence of the constitutive model on the prediction of the long-term behaviour of monopiles in sand. Workshop Numerische Methoden in der Geotechnik, Hamburg, 2022, 10.15480/882.4607

P. Staubach: Contributions to the numerical modelling of pile installation processes and high-cyclic loading of soils, Schriftenreihe des Lehrstuhls für Bodenmechanik, Grundbau und Umweltgeotechnik, Ruhr-Universität Bochum, Heft 73, 2022, Dissertation, link


P. Staubach, J. Machaček, J. Skowronek, T. Wichtmann: Vibratory pile driving in water-saturated sand: Back-analysis of model tests using a hydro-mechanically coupled CEL method, Soils and Foundations, 2021, ISSN 0038-0806, doi.org/10.1016/j.sandf.2020.11.005

P. Staubach, J. Machaček, R. Sharif, T. Wichtmann: 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, Computers and Geotechnics, Volume 134, 104018, 2021, ISSN 0266-352X, doi.org/10.1016/j.compgeo.2021.104018

J. Machaček, P. Staubach: numgeo: A finite-element program for the simulation of hydro-mechanically coupled geotechnical processes. Fachsektionstagung Geotechnik, 2021. Deutsche Gesellschaft für Geotechnik e.V. (DGGT). https://www.numgeo.de/wp-content/uploads/2021/04/20210417_MachacekStaubach_FSTB2021.pdf

J. Machaček, P. Staubach, M. Tafili, H. Zachert, T. Wichtmann: Investigation of three sophisticated constitutive soil models: From numerical formulations to element tests and the analysis of vibratory pile driving tests, Computers and Geotechnics, Volume 138, 104276, 2021, ISSN 0266-352X, doi.org/10.1016/j.compgeo.2021.104276

P. Staubach, J. Machaček, T. Wichtmann: Large-deformation analysis of pile installation with subsequent lateral loading: Sanisand vs. Hypoplasticity. Soil Dynamics and Earthquake Engineering, Volume 151, 2021, ISSN 0267-7261, doi.org/10.1016/j.soildyn.2021.106964

P. Staubach, J. Machaček, L. Tschirschky, T. Wichtmann: Enhancement of a high-cycle accumulation model by an adaptive strain amplitude and its application to monopile foundations, International Journal for Numerical and Analytical Methods in Geomechanics, Volume 46, Issue 2, Pages 315–338, 2021, ISSN 1096-9853, doi.org/10.1002/nag.3301


P. Staubach, T. Wichtmann: Long-term deformations of monopile foundations for offshore wind turbines studied with a high-cycle accumulation model. Computers and Geotechnics, Volume 124, 2020, ISSN 0266-352X, doi.org/10.1016/j.compgeo.2020.103553

P. Staubach, J. Machaček, M.C. Moscoso, T. Wichtmann: Impact of the installation on the long-term cyclic behaviour of piles in sand: a numerical study. Soil Dynamics and Earthquake Engineering, Volume 138, 2020, ISSN 0267-7261, doi.org/10.1016/j.soildyn.2020.106223

P. Staubach, J. Machaček, T. Wichtmann: Impact of the installation on the long-term behaviour of offshore wind turbine pile foundations. 4th International Symposium on Frontiers in Offshore Geotechnics

P. Staubach, J. Machaček, T. Wichtmann: Validierung eines hochzyklischen Akkumulationsmodells anhand von Modellversuchen an Monopiles mit einer großen Anzahl an Belastungszyklen. Leipziger Kolloquium „Forschung in der Geotechnik”. Leipzig, https://nbn-resolving.org/urn:nbn:de:bsz:l189-qucosa2-715365


P. Staubach, J. Machaček: Influence of relative acceleration in saturated sand - Analytical approach and simulation of vibratory pile driving tests. Computers and Geotechnics, Volume 112, 2019, Pages 173-184, ISSN 0266-352X,  doi.org/10.1016/j.compgeo.2019.03.027

P. Staubach, J. Machaček: Einfluss der Relativbeschleunigung bei dynamischer Beanspruchung von Mehrphasenmedien am Beispiel der Vibrationsrammung. Fachsektionstage Geotechnik Würzburg, 2019, Pages 340-345, www.researchgate.net/publication/337011185_Einfluss_der_Relativbeschleunigung_bei_dynamischer_Beanspruchung_von_Mehrphasenmedien_am_Beispiel_der_Vibrationsrammung

2018J. Machaček, Th. Triantafyllidis, P. Staubach: Fully coupled simulation of an opencast mine subjected to earthquake loading. Soil Dynamics and Earthquake Engineering, Volume 115, 2018, Pages 853-867, ISSN 0267-7261, doi.org/10.1016/j.soildyn.2018.09.016


Summer Semester

  • Geotechnik und Gründungsvarianten: Teil Erd- und Grundbau (M.Sc. Bauing.)
  • Geotechnik: Teil Grundbau (B.Sc. Management)
  • Geotechnical Engineering (M.Sc. NHRE)

Winter Semester

  • Grundbau (B.Sc. Bauing. & B.Sc. Umwelting.)
  • Secondary Hazards and Risks in Structural Engineering (M.Sc. NHRE)



Finite Element Program numgeo