Centrifuge study of capacity of a skirted foundation under eccentric transient and sustained uplift

Environmental and buoyancy forces impart overturning moments and potentially direct uplift to offshore foundation systems. Shallow skirted foundations are an attractive design solution, as negative excess pore pressures developed within the soil plug provide temporary uplift resistance. This paper p...

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Published in:Géotechnique 2012-04, Vol.62 (4), p.317-328
Main Authors: ACOSTA-MARTINEZ, H. E, GOURVENEC, S, RANDOLPH, M. F
Format: Article
Language:English
Subjects:
Buoyancy
Centrifuges
Consolidation
Design engineering
Earth sciences
Earth, ocean, space
Eccentrics
Engineering and environment geology. Geothermics
Engineering geology
Exact sciences and technology
Foundations
Load
Offshore
Offshore structures
Porosity
Shear strength
Stress
Studies
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cited_by cdi_FETCH-LOGICAL-a349t-3ad2d7e633e6a98530d5203f9ce376d1220ab93ba9623e5d13a6a4a8ed3168013
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creator ACOSTA-MARTINEZ, H. E
GOURVENEC, S
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description Environmental and buoyancy forces impart overturning moments and potentially direct uplift to offshore foundation systems. Shallow skirted foundations are an attractive design solution, as negative excess pore pressures developed within the soil plug provide temporary uplift resistance. This paper presents the results of beam centrifuge tests on a shallow skirted foundation in a lightly overconsolidated clay under eccentric transient and sustained uplift. When compared with the response under concentric uplift, the experimental results show a reduction in capacity and an increase in the rate of degradation of capacity under sustained loading.
doi_str_mv 10.1680/geot.9.P.027
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source ICE Virtual Library Journals
subjects Buoyancy
Centrifuges
Consolidation
Design engineering
Earth sciences
Earth, ocean, space
Eccentrics
Engineering and environment geology. Geothermics
Engineering geology
Exact sciences and technology
Foundations
Load
Offshore
Offshore structures
Porosity
Shear strength
Stress
Studies
title Centrifuge study of capacity of a skirted foundation under eccentric transient and sustained uplift
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