New data analysis methods for instrumented medium-scale monopile field tests
Harvey J. Burd (University of Oxford)
William J.A.P. Beuckelaers (Jan De Nul Group, University of Oxford)
Byron W. Byrne (University of Oxford)
Kenneth G. Gavin (TU Delft - Civil Engineering & Geosciences)
Guy T. Houlsby (University of Oxford)
David J.P. Igoe (Trinity College Dublin, University College Dublin)
Richard J. Jardine (Imperial College London)
Christopher M. Martin (University of Oxford)
Ross A. McAdam (University of Oxford)
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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.
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