All Outputs (41)

A two-stage method to estimate the embedded length of foundation piles using FRF-based model updating (2024)
Journal Article

Dynamic soil-structure interaction (SSI) is an important field in civil engineering with applications in earthquake engineering, structural dynamics, and structural health monitoring (SHM). There is an ongoing need for the development of numerical me... Read More about A two-stage method to estimate the embedded length of foundation piles using FRF-based model updating.

A method to quantify the beneficial effect of scour protection on lateral behaviour of monopiles for offshore wind turbines (2024)
Journal Article

To mitigate against scour hole formation, scour protection can be placed around offshore wind turbine monopiles. Few studies have considered the beneficial effect of this geotechnical reinforcement measure on the foundation lateral resistance. The co... Read More about A method to quantify the beneficial effect of scour protection on lateral behaviour of monopiles for offshore wind turbines.

A data-driven approach for scour detection around monopile-supported offshore wind turbines using Naive Bayes classification (2024)
Journal Article

This paper proposes a novel data-driven framework for scour detection around offshore wind turbines (OWTs), where damage features are derived from wind and wave-induced acceleration signals collected along the tower. A numerical mod... Read More about A data-driven approach for scour detection around monopile-supported offshore wind turbines using Naive Bayes classification.

A CPT-based multi-spring model for lateral monopile analysis under SLS conditions in sand (2024)
Journal Article

Monopiles are the most common Offshore Wind Turbine (OWT) foundations due to their simplicity in design, fabrication, and installation. However, large new-generation turbines have led to significant changes in monopile dimensions, n... Read More about A CPT-based multi-spring model for lateral monopile analysis under SLS conditions in sand.

Conceptualising engineering student perceptions of synchronous and asynchronous online learning (2023)
Journal Article

Students’ perceptions towards synchronous and asynchronous online delivery modes of three engineering courses, in a large UK university is conceptualised, inspired by the Community of Inquiry theoretical framework. Using a qualitative methodology, 76... Read More about Conceptualising engineering student perceptions of synchronous and asynchronous online learning.

Analytical approach for seismic analysis of onshore wind turbines considering soil-structure interaction (2023)
Journal Article

The aim of this study is to present an efficient analytical approach, based on a combination of transfer matrix formulations and modal superposition, to perform seismic response analysis of onshore wind turbines (WT) incorporating the effects of soil... Read More about Analytical approach for seismic analysis of onshore wind turbines considering soil-structure interaction.

Comparison of risk-based methods for bridge scour management (2023)
Journal Article

Scour is a significant cause of bridge failure, and resulting bridge closures are likely to generate significant disruption to infrastructure networks. The management of scour-susceptible bridges is a significant challenge for improving transport res... Read More about Comparison of risk-based methods for bridge scour management.

Analysis of the response of a roadway bridge under extreme flooding-related events: Scour and debris-loading (2023)
Journal Article

Hydraulic actions on bridges are a leading cause of failure, especially due to the occurrence of scour erosion. Due to climate change, flooding and scour risks are exacerbating for bridges worldwide, leading to a significant stress burden on asset ma... Read More about Analysis of the response of a roadway bridge under extreme flooding-related events: Scour and debris-loading.

Effect of scour erosion on mode shapes of a 5 MW monopile-supported offshore wind turbine (2022)
Journal Article

This paper investigates the influence of scour erosion on the mode shapes of the National Renewable Energy Laboratory (NREL) 5 MW offshore wind turbine (OWT) in varying soil conditions, where modes are derived from wind and wave-induced accelerations... Read More about Effect of scour erosion on mode shapes of a 5 MW monopile-supported offshore wind turbine.

Examination of the reduction in natural frequency of laterally loaded piles due to strain-dependence of soil shear modulus (2022)
Journal Article

Society’s transition to low-carbon energy sources has resulted in significant expansion in offshore wind technology. Most offshore wind turbines (OWTs) are founded on large-diameter steel tubular piles driven into the seabed, termed monopiles. OWTs a... Read More about Examination of the reduction in natural frequency of laterally loaded piles due to strain-dependence of soil shear modulus.

A comparison of the UK and Italian national risk-based guidelines for assessing hydraulic actions on bridges (2022)
Journal Article

This paper compares the application of two recently published guidance documents for risk-based assessment of hydraulic actions on bridges, namely the UK Design Manual for Roads and Bridges and the Italian Ministry of Infrastructure and Transport’s G... Read More about A comparison of the UK and Italian national risk-based guidelines for assessing hydraulic actions on bridges.

A Review of Numerical Models for Slab-Asphalt Track Railways (2022)
Journal Article

Higher train speeds and heavier axle loads trigger elevated stresses and vibrations in the track, potentially increasing track deterioration rates and maintenance costs. Alternative track forms made of combinations of reinforced concrete and asphalt... Read More about A Review of Numerical Models for Slab-Asphalt Track Railways.

Quantifying the value of SHM information for bridges under flood-induced scour (2022)
Journal Article

Bridge scour is a leading cause of failure for bridges over waterways and is notoriously difficult to detect with accuracy. Dynamic Structural Health Monitoring (SHM) of bridges for scour has gained traction in recent years as monitoring systems have... Read More about Quantifying the value of SHM information for bridges under flood-induced scour.

Seismic response of piles in layered soils: Performance of pseudostatic Winkler models against centrifuge data (2021)
Journal Article

In this study, the suitability of the pseudostatic approach for the seismic analysis of pile foundations in layered soils is explored by means of experimental data from centrifuge tests performed at 60g. A free-head single pile and a capped (1 × 3) p... Read More about Seismic response of piles in layered soils: Performance of pseudostatic Winkler models against centrifuge data.

Experimental and numerical investigation of the effect of vertical loading on the lateral behaviour of monopiles in sand (2021)
Journal Article

The influence of combined loading on the response of monopiles used to support offshore wind turbines (OWTs) is investigated in this paper. In current practice, resistance of monopiles to vertical and lateral loading is considered separately. As OWT... Read More about Experimental and numerical investigation of the effect of vertical loading on the lateral behaviour of monopiles in sand.

Impact of Geotechnical Uncertainty on the Preliminary Design of Monopiles Supporting Offshore Wind Turbines (2021)
Journal Article

The growing demand for clean renewable energy sources and the lack of suitable nearshore sites are moving the offshore wind industry toward developing larger wind turbines in deeper water locations further offshore. This is adding significant uncerta... Read More about Impact of Geotechnical Uncertainty on the Preliminary Design of Monopiles Supporting Offshore Wind Turbines.

Wavelet-based operating deflection shapes for locating scour-related stiffness losses in multi-span bridges (2021)
Journal Article

Scour erosion poses a significant risk to bridge safety worldwide and affects the stiffness of the soil-foundation system, resulting in global changes in the dynamic behavior of the bridges. In this paper, a new approach to detect scour at multiple l... Read More about Wavelet-based operating deflection shapes for locating scour-related stiffness losses in multi-span bridges.

Laboratory investigation of a bridge scour monitoring method using decentralized modal analysis (2021)
Journal Article

Scour is a significant issue for bridges worldwide that influences the global stiffness of bridge structures and hence alters the dynamic behaviour of these systems. For the first time, this article presents a new approach to detect bridge scour at s... Read More about Laboratory investigation of a bridge scour monitoring method using decentralized modal analysis.

Influence of vertical loading on behavior of laterally loaded foundation piles: A review (2020)
Journal Article

The majority of installed offshore wind turbines are supported on large-diameter, open-ended steel pile foundations, known as monopiles. These piles are subjected to vertical and lateral loads while in service. In current design practice, interaction... Read More about Influence of vertical loading on behavior of laterally loaded foundation piles: A review.

Empirical Shaft Resistance of Driven Piles Penetrating Weak Rock (2020)
Journal Article

In this paper, an empirical relationship between the Unconfined Compressive Strength (UCS) of intact rock and the unit shaft resistance of piles penetrating rock is investigated. A growing number of civil engineering projects are utilizing steel pile... Read More about Empirical Shaft Resistance of Driven Piles Penetrating Weak Rock.