Staubach, Patrick ; Machaček, Jan ; Sharif, Raihan ; Wichtmann, Torsten (2021)
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.
In: Computers and Geotechnics, 134
doi: 10.1016/j.compgeo.2021.104018
Artikel, Bibliographie
Kurzbeschreibung (Abstract)
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 lateral loading is taken into account using a Coupled-Eulerian–Lagrangian method. A comparison between the measured pile rotation and the results of simulations with incorporation of the installation-induced soil changes as well as simulations assuming wished-in-place initial conditions is made. A distinct influence of the installation process on the lateral response of the pile is observed. The installed piles exhibit larger resistance and less accumulation of deformation during the cyclic loading. The simulations taking into account the installation process are in better accordance with the measurements in the model tests compared to the wished-in-place simulations. It is concluded that the consideration of the installation process in a back-analysis of driven piles subjected to monotonic or cyclic loading is of great importance.
| Typ des Eintrags: | Artikel |
|---|---|
| Erschienen: | 2021 |
| Autor(en): | Staubach, Patrick ; Machaček, Jan ; Sharif, Raihan ; Wichtmann, Torsten |
| Art des Eintrags: | Bibliographie |
| Titel: | 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 |
| Sprache: | Englisch |
| Publikationsjahr: | Juni 2021 |
| Titel der Zeitschrift, Zeitung oder Schriftenreihe: | Computers and Geotechnics |
| Jahrgang/Volume einer Zeitschrift: | 134 |
| DOI: | 10.1016/j.compgeo.2021.104018 |
| URL / URN: | https://www.sciencedirect.com/science/article/pii/S0266352X2... |
| Kurzbeschreibung (Abstract): | 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 lateral loading is taken into account using a Coupled-Eulerian–Lagrangian method. A comparison between the measured pile rotation and the results of simulations with incorporation of the installation-induced soil changes as well as simulations assuming wished-in-place initial conditions is made. A distinct influence of the installation process on the lateral response of the pile is observed. The installed piles exhibit larger resistance and less accumulation of deformation during the cyclic loading. The simulations taking into account the installation process are in better accordance with the measurements in the model tests compared to the wished-in-place simulations. It is concluded that the consideration of the installation process in a back-analysis of driven piles subjected to monotonic or cyclic loading is of great importance. |
| Freie Schlagworte: | High cyclic loading, Monopile, High-cycle accumulation model, Coupled-Eulerian-Lagrangian, Pile installation, Large deformation |
| Fachbereich(e)/-gebiet(e): | 13 Fachbereich Bau- und Umweltingenieurwissenschaften 13 Fachbereich Bau- und Umweltingenieurwissenschaften > Institut für Geotechnik |
| Hinterlegungsdatum: | 15 Mär 2021 06:21 |
| Letzte Änderung: | 15 Mär 2021 06:21 |
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