Monotonic laterally loaded pile testing in a stiff glacial clay till at Cowden

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Title: Monotonic laterally loaded pile testing in a stiff glacial clay till at Cowden
Authors: Byrne, B
McAdam, RA
Burd, HJ
Beuckelaers, WJAP
Gavin, K
Houlsby, GT
Igoe, D
Jardine, RJ
Martin, CM
Muir Wood, A
Potts, DM
Skov Gretlund, J
Taborda, D
Zdravkovic, L
Item Type: Journal Article
Abstract: This paper describes the results obtained from a field testing campaign on laterally - loaded monopiles conducted at Cowden, UK, where the soil consists principally of a heavily overconsolidated glacial till. These tests formed part of the PISA project on the developme nt of im proved design methods for monopi le foundations for offshore wind turbines. Results obtained for monotonic loading tests on piles of three different diameters (0.273m, 0.762m and 2 .0 m) are presented . The pil es had length - to - diameter ratio s ( L / D ) of between 3 and 10. The tests include d the ap plication of monotonic loading incorporating periods of constant loa d to investigate creep effects , and investigations on the influence of loading rate . Data are presented on measured bending moments and inclinations induced in the pile s . I nferred data on lateral displacements of the embedded section of the pile s are determined using a n optimised structural model. The se field data support the development of a new 1D modelling approach for the design of monopi le foundations for offshore wind turbines. They also form a unique database of field measurements in an overconsolidated clay, from lateral loading of piles at a vertical distance above the ground sur face.
Date of Acceptance: 12-Oct-2018
ISSN: 0016-8505
Publisher: Thomas Telford
Journal / Book Title: Géotechnique
Copyright Statement: This paper is embargoed until publication.
Sponsor/Funder: Geotechnical Consulting Group
DONG Energy Wind Power A/S
DONG Energy Wind Power A/S
Funder's Grant Number: GCG Chair
Layered Soils Extension Projec
Keywords: 0905 Civil Engineering
Geological & Geomatics Engineering
Publication Status: Accepted
Embargo Date: publication subject to indefinite embargo
Appears in Collections:Faculty of Engineering
Civil and Environmental Engineering

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