Large penetration of spudcan foundation in multi-layered clays - numerical study

Wen Gao

doi:10.4225/23/5b3096dddc0c4

Large penetration of spudcan foundation in multi-layered clays - numerical study

Wen Gao

School of Engineering

Research output: Thesis › Doctoral Thesis

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Abstract

Offshore oil and gas exploration needs strong foundations to support its platforms. Predicting the foundation capacity in multi layered seabed soils can be challenging. This research studied the offshore foundation capacities in multi-layered soil when large penetration of the foundation is inevitable. Comprehensive Large Deformation FE (LDFE) analyses were conducted considering a practical range of soil profiles. A design framework based on the soil flow mechanisms was established for design engineers when multi-layered soils are encountered.

Original language	English
Qualification	Doctor of Philosophy
Awarding Institution	The University of Western Australia
Supervisors/Advisors	Hu, Yuxia, Supervisor White, David, Supervisor
Award date	7 May 2018
DOIs	https://doi.org/10.4225/23/5b3096dddc0c4
Publication status	Unpublished - 2017

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THESIS - DOCTOR OF PHILOSOPHY - GAO Wen - 2017
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title = "Large penetration of spudcan foundation in multi-layered clays - numerical study",

abstract = "Offshore oil and gas exploration needs strong foundations to support its platforms. Predicting the foundation capacity in multi layered seabed soils can be challenging. This research studied the offshore foundation capacities in multi-layered soil when large penetration of the foundation is inevitable. Comprehensive Large Deformation FE (LDFE) analyses were conducted considering a practical range of soil profiles. A design framework based on the soil flow mechanisms was established for design engineers when multi-layered soils are encountered.",

keywords = "Spudcan penetration, RITSS, Numerical analysis, Multi-layer clay, Large deformation finite element, Offshore foundation",

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school = "The University of Western Australia",

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AU - Gao, Wen

PY - 2017

Y1 - 2017

N2 - Offshore oil and gas exploration needs strong foundations to support its platforms. Predicting the foundation capacity in multi layered seabed soils can be challenging. This research studied the offshore foundation capacities in multi-layered soil when large penetration of the foundation is inevitable. Comprehensive Large Deformation FE (LDFE) analyses were conducted considering a practical range of soil profiles. A design framework based on the soil flow mechanisms was established for design engineers when multi-layered soils are encountered.

AB - Offshore oil and gas exploration needs strong foundations to support its platforms. Predicting the foundation capacity in multi layered seabed soils can be challenging. This research studied the offshore foundation capacities in multi-layered soil when large penetration of the foundation is inevitable. Comprehensive Large Deformation FE (LDFE) analyses were conducted considering a practical range of soil profiles. A design framework based on the soil flow mechanisms was established for design engineers when multi-layered soils are encountered.

KW - Spudcan penetration

KW - RITSS

KW - Numerical analysis

KW - Multi-layer clay

KW - Large deformation finite element

KW - Offshore foundation

U2 - 10.4225/23/5b3096dddc0c4

DO - 10.4225/23/5b3096dddc0c4

M3 - Doctoral Thesis

ER -

Large penetration of spudcan foundation in multi-layered clays - numerical study

Abstract

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