Shaft capacity ageing trends of onshore and offshore piles driven in sand
Shaft capacity ageing trends of onshore and offshore piles driven in sand
ABSTRACT: The enhancement of driven piles axial capacities over time, or set-up, involves a series of complex processes. This paper considers evidence from onshore and offshore site studies into pile ageing at sand sites, considering the potential for ageing gains to enable more economic pile design for offshore wind turbines and other structures. Results from recent onshore tests at Cuxhaven in Germany are contrasted with earlier onshore studies and tests on large offshore piles collated under the recent PAGE JIP. The paper demonstrates that ageing can vary markedly with pile scale, slenderness ratio and geochemical conditions and explores potential geotechnical explanations for the range of behaviours observed. The conclusions drawn have implications for ensuring reliable axial pile design in a range of onshore and offshore environments.
Alexander Busch; Richard Jardine; R. Silvano
5th International Symposium on Frontiers in Offshore Geotechnics (ISFOG2025)
10 - Jacket pin piles design: capacity, long-term cyclic loading, seismic loads
https://doi.org/10.53243/ISFOG2025-404
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