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Erschienen in:
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2018 | OriginalPaper | Buchkapitel

Application of a Cyclic Accumulation Model UDCAM to FE Analyses of Offshore Foundations

verfasst von : Huynh Dat Vu Khoa, Hans Petter Jostad

Erschienen in: Proceedings of the 4th Congrès International de Géotechnique - Ouvrages -Structures

Verlag: Springer Singapore

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Abstract

The Norwegian Geotechnical Institute (NGI) has developed several calculation procedures over the past few decades where effects of cyclic loading are taken into account. This paper presents an undrained cyclic accumulation procedure used for offshore foundation design. A constitutive model called UDCAM was developed based on the NGI’s accumulation procedure and implemented into different finite element programs in order to better predict and optimize the offshore foundations. The UDCAM FE back-analysis of 1 g-model test of a gravity based structure in clay under cyclic loading was first performed for verifying the FE calculation procedure. The UDCAM model was then applied to analyze the undrained cyclic behavior of a large monopile to be installed at the potential offshore wind farm in the Korea Western Sea. The FE results were compared with the predictions obtained by the semi empirical (p-y) method recommended by API, which has been commonly used in the piled foundation design.

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Vorheriges Kapitel An Elastoplastic Model for Soils Exhibiting Particle Breakage
Nächstes Kapitel Assessment of Multiple Geophysical Techniques for the Characterization of Municipal Waste Deposit Sites
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Metadaten
Titel
Application of a Cyclic Accumulation Model UDCAM to FE Analyses of Offshore Foundations
verfasst von
Huynh Dat Vu Khoa
Hans Petter Jostad
Copyright-Jahr
2018
Verlag
Springer Singapore
Buch
Proceedings of the 4th Congrès International de Géotechnique - Ouvrages -Structures

Print ISBN: 978-981-10-6712-9

Electronic ISBN: 978-981-10-6713-6

Copyright-Jahr: 2018

DOI
https://doi.org/10.1007/978-981-10-6713-6_65