Model testing of rotary jacked open ended tubular piles in saturated non-cohesive soil

Frick, Dennis; Schmoor, Kirill Alexander; Gütz, P.; Achmus, Martin

doi:10.1201/9780429438646-92

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Driven Piles1

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2023

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Cited by 3 publications

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“…impact or vibration driving) cause undesirable noise and vibration in urban environments. One solution investigated by El Haffar et al 2018and Frick et al (2018) is to use rotary jacked piles whose installation is much lower in both noise and vibration. These studies use coarse grained soils and investigate the influence of the installation parameters (forces and jacking stroke).…”

Section: Driven Pilesmentioning

confidence: 99%

Physical modelling applied to infrastructure development

Goodey¹

2018

Physical Modelling in Geotechnics

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Section: Driven Pilesmentioning

confidence: 99%

Physical modelling applied to infrastructure development

Goodey¹

2018

Physical Modelling in Geotechnics

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DEM study of particle scale effect on plain and rotary jacked pile behaviour in granular materials

Cerfontaine

Ciantia

Brown

et al. 2023

Computers and Geotechnics

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Suction Bucket Foundations under Cyclic Tensile Loading—Physical and Numerical Modeling

Gütz

Achmus

2021

Geotechnical Testing Journal

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Although suction buckets are believed to be a promising alternative for multipod foundations of offshore wind turbines, the economic and ecological advantages are still limited because of a lack of knowledge regarding the tensile bearing behavior. Major uncertainties exist in terms of the response under cyclic loading and the assessment of the partially drained loading condition, where negative differential pressure beneath the suction bucket’s lid contributes to the total tensile resistance. This article presents findings from 1-g model tests of suction buckets in sand subjected to various cyclic tensile loads. The suction bucket was installed via negative differential pressure (suction). The results show a strong effect of the applied load magnitude on the evolution of displacement, plug heave, and suction induced. Greater displacement accumulation is observed for the smaller considered frequency. Monotonic tests with varying displacement rates supplement the cyclic tests and serve for the verification of a hydraulic-mechanic coupled finite element model, which is afterward utilized for the back-calculation of cyclic model tests. Although a rather simple elasto-plastic material law was used for the sand, good agreement was found, indicating that the bearing behavior is mainly governed by the hydraulic conditions and only subordinately by the soil mechanics.

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Model testing of rotary jacked open ended tubular piles in saturated non-cohesive soil

Cited by 3 publications

References 1 publication

Physical modelling applied to infrastructure development

Physical modelling applied to infrastructure development

DEM study of particle scale effect on plain and rotary jacked pile behaviour in granular materials

Suction Bucket Foundations under Cyclic Tensile Loading—Physical and Numerical Modeling

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