Novel site investigation tools for near-surface seabed characterisation

Mark Andreas Schneider

doi:10.26182/5c7363a308120

Novel site investigation tools for near-surface seabed characterisation

Mark Andreas Schneider

School of Engineering

Research output: Thesis › Doctoral Thesis

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Abstract

Assessing the mechanical response of soft surficial soil with conventional site investigation tools or laboratory tests is challenging. Alternatively, near-surface soil properties can be measured in-situ offshore using shallow penetrometers, such as the hemiball, toroid or the parkable piezoprobe. The novel sensor concepts are envisaged to infer the undrained soil strength, the consolidation characteristics and the friction parameters for the soil-device interface. Through a combination of laboratory experiments, numerical FE-modelling and offshore field-testing it was demonstrated that the probes can be used to rapidly and reliably measure the soil properties required for the design of shallow subsea infrastructure.

Original language	English
Qualification	Doctor of Philosophy
Awarding Institution	The University of Western Australia
Supervisors/Advisors	Stanier, Sam, Supervisor White, David, Supervisor Randolph, Mark, Supervisor
Thesis sponsors	Australian Government Research Training Program
Award date	2 Feb 2019
DOIs	https://doi.org/10.26182/5c7363a308120
Publication status	Unpublished - 2019

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THESIS - DOCTOR OF PHILOSOPHY - SCHNEIDER Mark Andreas - 2019
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Cite this

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abstract = "Assessing the mechanical response of soft surficial soil with conventional site investigation tools or laboratory tests is challenging. Alternatively, near-surface soil properties can be measured in-situ offshore using shallow penetrometers, such as the hemiball, toroid or the parkable piezoprobe. The novel sensor concepts are envisaged to infer the undrained soil strength, the consolidation characteristics and the friction parameters for the soil-device interface. Through a combination of laboratory experiments, numerical FE-modelling and offshore field-testing it was demonstrated that the probes can be used to rapidly and reliably measure the soil properties required for the design of shallow subsea infrastructure.",

keywords = "Parkable piezoprobe, Shallow penetrometers, Hemiball, Toroid, Geotechnical engineering, Offshore engineering, In-situ testing, Pipe-soil interaction",

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school = "The University of Western Australia",

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AU - Schneider, Mark Andreas

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AB - Assessing the mechanical response of soft surficial soil with conventional site investigation tools or laboratory tests is challenging. Alternatively, near-surface soil properties can be measured in-situ offshore using shallow penetrometers, such as the hemiball, toroid or the parkable piezoprobe. The novel sensor concepts are envisaged to infer the undrained soil strength, the consolidation characteristics and the friction parameters for the soil-device interface. Through a combination of laboratory experiments, numerical FE-modelling and offshore field-testing it was demonstrated that the probes can be used to rapidly and reliably measure the soil properties required for the design of shallow subsea infrastructure.

KW - Parkable piezoprobe

KW - Shallow penetrometers

KW - Hemiball

KW - Toroid

KW - Geotechnical engineering

KW - Offshore engineering

KW - In-situ testing

KW - Pipe-soil interaction

U2 - 10.26182/5c7363a308120

DO - 10.26182/5c7363a308120

M3 - Doctoral Thesis

ER -

Novel site investigation tools for near-surface seabed characterisation

Abstract

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