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Numerical and experimental investigations on the deformations of monopile foundations

 
: Dührkop, Jan; Maretzki, Stefan; Pucker, Tim; Schluroff, Sören; Spill, Severin

Grabe, J. ; TU Hamburg-Harburg, Institut für Geotechnik und Baubetrieb:
Workshop on Numerical Methods in Geotechnics 2017 : September 27th - 28th, 2017, Hamburg Germany
Hamburg: Technische Universität Hamburg-Harburg, 2017 (Veröffentlichungen des Institutes Geotechnik und Baubetrieb an der Technischen Universität Hamburg-Harburg)
ISBN: 978-3-936310-43-6
ISBN: 3-936310-43-2
S.185-202
Workshop on Numerical Methods in Geotechnics <2017, Hamburg>
Bundesministerium für Wirtschaft und Technologie BMWi
0325841; TANDEM
Englisch
Konferenzbeitrag
Fraunhofer IWES ()

Abstract
Monopiles are the preferred foundation type in many offshore wind projects. Measurements on installed foundations and some published studies indicate that current design methodologies probably underestimate stiffness and should therefore be adjusted to account for large diameter and installation effects. This paper presents initial test results from large scale pile tests and a numerical model which is developed to reflect the mechanical behaviour of the soil accurately to reproduce measured pile response. The constitutive model is presented as well as its calibration, based on a limited amount of laboratory tests. Finally, a first comparison of numerical and measured results is shown.

: http://publica.fraunhofer.de/dokumente/N-470982.html