New data analysis methods for instrumented medium-scale monopile field tests

Journal article (2020)

Authors

H. J. Burd University of Oxford
William J.A.P. Beuckelaers Jan De Nul Group, University of Oxford
B. W. Byrne University of Oxford
G. T. Houlsby University of Oxford
David Igoe University College Dublin, Trinity College Dublin
Richard Jardine Imperial College London
Christopher M. Martin University of Oxford
Ross A. McAdam University of Oxford
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Copyright: © 2020 Harvey J. Burd, William J.A.P. Beuckelaers, Byron W. Byrne, Kenneth Gavin, Guy T. Houlsby, David J.P. Igoe, Richard J. Jardine, Christopher M. Martin, Ross A. McAdam, More Authors
DOI: https://doi.org/10.1680/jgeot.18.PISA.002
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Published Date

2020

Language

English

Abstract

The PISA Joint Industry Research Project was concerned with the development of improved design methods for monopile foundations in offshore wind applications. PISA involved large-scale pile tests in overconsolidated glacial till at Cowden, north-east England, and in dense, normally consolidated marine sand at Dunkirk, northern France. This paper describes the experimental set-up for pile testing, with unique features of load-application mechanisms and built-in fibre optic strain gauges. New procedures are described for the interpretation of pile loading data, and specifically for providing precise interpretation of pile displacements.