Numerical modelling of large diameter piles under lateral loading for offshore wind applications
L. Zdravković (Imperial College London)
D. M G Taborda (Imperial College London)
D. M. Potts (Imperial College London)
R. J. Jardine (Imperial College London)
M. Sideri (Geotechnical Consulting Group)
F. C. Schroeder (Geotechnical Consulting Group)
B. W. Byrne (University of Oxford)
R. McAdam (University of Oxford)
H. J. Burd (University of Oxford)
G. T. Houlsby (University of Oxford)
C. M. Martin (University of Oxford)
K. Gavin (University College Dublin)
P. Doherty (University College Dublin)
D. Igoe (University College Dublin)
A. Muirwood (DONG Energy Wind Power)
D. Kallehave (DONG Energy Wind Power)
J. Skov Gretlund (DONG Energy Wind Power)
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Abstract
There is currently a significant focus on developing offshore wind power in the UK and Europe. The most common foundation type for wind turbines is a single large diameter pile, termed a monopile, on which the turbine is located. As the diameter of such piles is envisaged to increase in future installations, there are concerns that current design methods are not applicable. To explore this problem, the joint industry project PISA has been established, with the aim to develop a new design framework for laterally loaded piles utilised in the offshore wind industry, based on new theoretical developments, numerical modelling and large scale field pile testing. This paper presents an overview of numerical modelling undertaken as part of the project.
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