Setup of axial bearing capacity of open ended tubular steel piles driven in sand

This paper focuses on the setup of axial bearing capacity of open ended tubular steel piles that are used for offshore foundation systems such as those of wind turbines. A comparative evaluation of the most commonly used models for setup prediction shows an upper estimate bound and a lower estimate...

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Main Authors: Ahlinhan Marx Ferdinand, Adjovi Edmond Codjo
Format: Article
Language:English
Published: Sciendo 2020-03-01
Series:Studia Geotechnica et Mechanica
Subjects:
Online Access:https://doi.org/10.2478/sgem-2019-0032
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author Ahlinhan Marx Ferdinand
Adjovi Edmond Codjo
author_facet Ahlinhan Marx Ferdinand
Adjovi Edmond Codjo
author_sort Ahlinhan Marx Ferdinand
collection DOAJ
description This paper focuses on the setup of axial bearing capacity of open ended tubular steel piles that are used for offshore foundation systems such as those of wind turbines. A comparative evaluation of the most commonly used models for setup prediction shows an upper estimate bound and a lower estimate bound, which correspond approximately to a setup rate of 60% increase per log cycle of time and 20% increase per log cycle of time, respectively. This finding is validated with the results of case histories reported in literature, which show that the setup values of most case histories considered lie in the best estimate zone between the upper estimate zone and the lower estimate zone. The analysis results show a minimum setup factor of approximately 1.5 for 100 days following end of driving of open-ended tubular steel pile driven in sand.
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spelling doaj.art-e38f832b7f0342ca963d55a4e9cafddc2022-12-21T19:17:32ZengSciendoStudia Geotechnica et Mechanica2083-831X2020-03-01421748210.2478/sgem-2019-0032sgem-2019-0032Setup of axial bearing capacity of open ended tubular steel piles driven in sandAhlinhan Marx Ferdinand0Adjovi Edmond Codjo1Department of Civil Engineering, 1National University of Sciences, Technologies, Engineering and Mathematics (UNSTIM), Abomey, Republic of BeninDepartment of Civil Engineering, 1National University of Sciences, Technologies, Engineering and Mathematics (UNSTIM), Abomey, Republic of BeninThis paper focuses on the setup of axial bearing capacity of open ended tubular steel piles that are used for offshore foundation systems such as those of wind turbines. A comparative evaluation of the most commonly used models for setup prediction shows an upper estimate bound and a lower estimate bound, which correspond approximately to a setup rate of 60% increase per log cycle of time and 20% increase per log cycle of time, respectively. This finding is validated with the results of case histories reported in literature, which show that the setup values of most case histories considered lie in the best estimate zone between the upper estimate zone and the lower estimate zone. The analysis results show a minimum setup factor of approximately 1.5 for 100 days following end of driving of open-ended tubular steel pile driven in sand.https://doi.org/10.2478/sgem-2019-0032setupaxial bearing capacitydriven open ended pilegranular soilsand
spellingShingle Ahlinhan Marx Ferdinand
Adjovi Edmond Codjo
Setup of axial bearing capacity of open ended tubular steel piles driven in sand
Studia Geotechnica et Mechanica
setup
axial bearing capacity
driven open ended pile
granular soil
sand
title Setup of axial bearing capacity of open ended tubular steel piles driven in sand
title_full Setup of axial bearing capacity of open ended tubular steel piles driven in sand
title_fullStr Setup of axial bearing capacity of open ended tubular steel piles driven in sand
title_full_unstemmed Setup of axial bearing capacity of open ended tubular steel piles driven in sand
title_short Setup of axial bearing capacity of open ended tubular steel piles driven in sand
title_sort setup of axial bearing capacity of open ended tubular steel piles driven in sand
topic setup
axial bearing capacity
driven open ended pile
granular soil
sand
url https://doi.org/10.2478/sgem-2019-0032
work_keys_str_mv AT ahlinhanmarxferdinand setupofaxialbearingcapacityofopenendedtubularsteelpilesdriveninsand
AT adjoviedmondcodjo setupofaxialbearingcapacityofopenendedtubularsteelpilesdriveninsand