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.
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