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Edward Carlo Giorgio Andò

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Related publications (22)

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A micro-investigation of unsaturated sand in mini-triaxial compression based on micro-CT image analysis

Edward Carlo Giorgio Andò

The mechanical behaviours of unsaturated soils are highly related to the water content and pore water and air distributions. Under the context of climate change, geo-disasters related to soil moisture change attract more and more research attentions. Due t ...

SPRINGER HEIDELBERG2022

Micromechanically inspired investigation of cemented granular materials: part I-from X-ray micro tomography to measurable model variables

Edward Carlo Giorgio Andò

Cemented granular materials are abundant in nature and are often artificially produced. Their macroscopic behaviour is driven by small-scale material processes, which are generally classified as: grain breakage, cement damage and fragment rearrangement. Th ...

SPRINGER HEIDELBERG2022

Micromechanics of Sub-Critical Failure in a Porous Rock: Insights from Integrating Sound and X-Ray Vision

Edward Carlo Giorgio Andò

Failure in brittle, porous materials initiates when structural damage localizes along an emergent failure plane in a transition from stable crack growth to dynamic rupture. Due to the rapid nature of this critical transition, the precise micro-mechanisms i ...

ARMA2024

DIC Challenge 2.0: Developing Images and Guidelines for Evaluating Accuracy and Resolution of 2D Analyses

Edward Carlo Giorgio Andò

Background The DIC Challenge 2.0 follows on from the work accomplished in the first Digital Image Correlation (DIC) Challenge Reu et al. (Experimental Mechanics 58(7):1067, 1). The second challenge was required to better quantify the spatial resolution of ...

2022

Coupled micro-computed tomography and micromechanical experiment on the failure of discontinuous porphyry rock

Edward Carlo Giorgio Andò

Rock is a discontinuous, heterogeneous material with complex mechanical behaviour. The variable material properties create uncertainty in response to load, associated rock mass damage and communition. Traditional approaches in rock mechanics rely on labora ...

2025

Seismic events miss important kinematically governed grain scale mechanisms during shear failure of porous rock

Edward Carlo Giorgio Andò

Catastrophic failure in brittle, porous materials initiates when smaller-scale fractures localise along an emergent fault zone in a transition from stable crack growth to dynamic rupture. Due to the rapid nature of this critical transition, the precise mic ...

Nature Portfolio2022

PyTorch 2 Model for the prediction of single-artery segmentations for "AngioPy segmentation: An open-source, user-guided deep learning tool for coronary artery segmentation"

Edward Carlo Giorgio Andò, Thabodhan Mahendiran

These are pytorch model weights for the angiopy-segmentation deep learning model, descriped in a paper published in 2024 in the International Journal of Cardiology: AngioPy segmentation: An open-source, user-guided deep learning tool for coronary artery se ...

Zenodo2024

A glimpse into rapid freezing processes in clay with x-ray tomography

Edward Carlo Giorgio Andò

This short paper proposes time-series x-ray tomography as a valuable tool for quantifying freezing processes in a remoulded clay. As an example, three simple closed system (i.e., no water entry) experiments are performed and analysed, all of which were fro ...

2022

X-ray radiography 4D particle tracking of heavy spheres suspended in a turbulent jet

Edward Carlo Giorgio Andò

The suspension of a heavy sphere by an upward jet is a classical fluid mechanics experiment to demonstrate the fluid forces acting on an object. In the range of the parameter space where the sphere can be suspended, the dynamics can either be regular, i.e. ...

PERGAMON-ELSEVIER SCIENCE LTD2023

Influence of depositional fabric on mechanical properties of naturally deposited sands

Edward Carlo Giorgio Andò

Fabric characteristics and shear deformation behaviour were analysed in four intact small-scale samples, including two disturbed and two undisturbed samples of naturally deposited sand from a shoal in the San Francisco Bay. Triaxial compression tests were ...

ICE PUBLISHING2022

Experimental quantification of 3D deformations in sensitive clay during stress-probing

Edward Carlo Giorgio Andò

Unique four-dimensional (4D) deformation data are collected during drained triaxial tests on intact specimens of a natural sensitive clay. This requires the development of a miniature triaxial cell for advanced stress path testing, specifically designed fo ...

ICE PUBLISHING2022

Modeling Combined Fabric Evolution in an Anisometric Granular Material Driven by Particle-Scale X-Ray Measurements

Edward Carlo Giorgio Andò

A combined fabric evolution (CFE) model is used to predict real-world fabric evolution of a strongly anisometric granular material under triaxial loading, connecting advances in theoretical developments and experimental measurement technology for fabric ev ...

ASCE-AMER SOC CIVIL ENGINEERS2022

Single-projection reconstruction technique for positioning monodisperse spheres in 3D with a divergent x-ray beam

Edward Carlo Giorgio Andò

The measurement of the position of single-sized spheres in 3D from a single, divergent, radiographic projection is addressed in the present study with the development of a novel method. Generally speaking, the location of the shadow cast by a single sphere ...

IOP Publishing2021

Microstructure of Crushable Expanded Clay Aggregates

Edward Carlo Giorgio Andò

The images show two different and complementary views of a mixture of Light Expanded Clay Aggregate (LECA) particles with size ranging between 0.25–1.0 mm. The upper-left is a SEM image showing a projected view of the particles, while the lower-left is a s ...

Springer International Publishing2023

Microstructural Investigation of Granular Soil Upon Drained Cyclic Loading

Edward Carlo Giorgio Andò

This study investigates the microstructural response of a sand subjected to drained cyclic triaxial loading. Triaxial tests are performed within an x-ray tomograph to obtain grain scale measurements such as grain kinematics and grain contact orientations. ...

IOP Publishing2025

Lessons learned from matching 3D DEM and experiments at macro, meso and fabric scales for triaxial compression tests on lentils

Edward Carlo Giorgio Andò

A series of discrete element method (DEM) triaxial compression simulations on specimens of an anisometric granular material starting from distinct initial fabric anisotropy states are conducted and compared with physical experiments on lentils at different ...

Pergamon-Elsevier Science Ltd2023

Freezing-induced stiffness and strength anisotropy in freezing clayey soil: Theory, numerical modeling, and experimental validation

Edward Carlo Giorgio Andò

This paper presents a combined experimental-modeling effort to interpret the coupled thermo-hydro-mechanical behaviors of the freezing soil, where an unconfined, fully saturated clay is frozen due to a temperature gradient. By leveraging the rich experimen ...

WILEY2022

Deciphering necking in granular materials: Micromechanical insights into sand behavior during cycles of triaxial compression and extension

Edward Carlo Giorgio Andò, Konstantinos Karapiperis

This study elucidates the fundamental governing mechanisms behind necking instability in granular materials, a phenomenon extensively documented in the literature yet lacking a clear explanation of its underlying causes. Our findings suggest that the pheno ...

2025

Projector-based augmented stacking framework for irregularly shaped objects

Katrin Beyer, Yves Weinand, Julien Gamerro, Edward Carlo Giorgio Andò, Andrea Settimi, Qianqing Wang

Augmented reality in additive fabrication is predominantly applied to the manufacturing of structures from regularly shaped materials. Our work however embraces natural heterogeneity, by focusing on the assembly of irregularly shaped elements such as miner ...

2023

The effect of high relative humidity on a network of water-sensitive particles (couscous) as revealed by in situ X-ray tomography

Edward Carlo Giorgio Andò

Water significantly influences the mechanical behaviour of all granular materials but none as much as hygroscopic amorphous particles. With sufficiently high water content, particles can swell, agglomerate and their mechanical properties can be reduced, ha ...

ROYAL SOC CHEMISTRY2022