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Alessio Ferrari

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Publications associées (174)

Anisotropic volumetric behaviour of Opalinus Clay shale upon suction variation

Lyesse Laloui, Alessio Ferrari, Alberto Minardi, Eleonora Crisci

Opalinus Clay shale is under consideration to serve as the host geomaterial for the underground storage of nuclear waste in Switzerland. Water retention behaviour and anisotropic behaviour represent two main features of this geomaterial; however, a compreh ...

Ice Publishing2016

Modelling landslides in unsaturated slopes subjected to rainfall infiltration using material point method

Lyesse Laloui, Alessio Ferrari, Samila Sanjeevanie Bandara

This paper presents a dynamic fully coupled formulation for saturated and unsaturated soils that undergo large deformations based on material point method. Governing equations are applied to porous material while considering it as a continuum in which the ...

Wiley-Blackwell2016

Experimental investigations of the soil-concrete interface: physical mechanisms, cyclic mobilisation and behaviour at different temperatures

Lyesse Laloui, Alessio Ferrari, Alice Di Donna

The behaviour of the pile-soil interface is important for the response of floating piles in terms of displacement and lateral friction. Regarding energy piles, which couple the structural roles of deep foundations with the principle of shallow geothermal e ...

National Research Council Canada2016

Testing of the hydro-mechanical behaviour of shales

Lyesse Laloui, Alessio Ferrari, Valentina Favero

Shales are among the most commonly considered geomaterials in current energy-related geomechanical investigations, as they are involved in engineering applications such as the unconventional extraction of natural gas, CO2 sequestration and nuclear waste ge ...

Taylor & Francis2016

Nonstationary flow surface theory for modeling the viscoplastic behaviors of soils

Lyesse Laloui, Alessio Ferrari, Yafei Qiao

This paper presents a three-dimensional elastic viscoplastic model that can describe the time-dependent behaviors of soft clays. The constitutive model is formulated based on the nonstationary flow surface theory and incorporates new developments, includin ...

Elsevier2016

Water retention and swelling behaviour of granular bentonites for application in Geosynthetic Clay Liner (GCL) systems

Lyesse Laloui, Alessio Ferrari, Ali Seiphoori

Geosynthetic Clay Liner (GCL) systems are used as efficient hydraulic barriers in landfills for the disposal of hazardous municipal wastes. Along with geotextiles, bentonite materials are chosen as one of the primary components of GCLs due to their high re ...

Japanese Geotechnical Soc2016

On the Hydro-Mechanical Behaviour of Remoulded and Natural Opalinus Clay Shale

Lyesse Laloui, Alessio Ferrari, Valentina Favero

The geo-energy sector makes use of advanced technologies such as shale gas extraction, CO2 sequestration and nuclear waste geological disposal that rely on the exploitation of shale formations. Due to the great depths involved in these applications and the ...

Elsevier Science Bv2016

Anisotropic Volumetric Response of Shales upon Suction Changes

Lyesse Laloui, Alessio Ferrari, Alberto Minardi

Anisotropic fabric and volumetric response to suction changes represent two main features of shales, which are involved in several engineering applications. However, a comprehensive understanding of the interaction between these two aspects is still missin ...

2016

Hydro-mechanical analysis of volcanic ash slopes during rainfall

Lyesse Laloui, John Eichenberger, Alessio Ferrari, Chao Li

Rainfall-induced landslides in volcanic ashes represent a major natural hazard in many regions around the world. Due to their loose structure, volcanic ash slopes are prone to rainfall-induced landslides. The paper presents a continuum modelling approach f ...

Ice Publishing2016

An insight on the thermo-mechanical behaviour of a shale

Lyesse Laloui, Alessio Ferrari, Valentina Favero

2016

Hydro-mechanical analysis of volcanic ash slopes during rainfall

Lyesse Laloui, John Eichenberger, Alessio Ferrari

Rainfall-induced landslides in volcanic ashes represent a major natural hazard in many regions around the world. Owing to their loose structure, volcanic ash slopes are prone to rainfall-induced landslides. The paper presents a continuum modelling approach ...

Ice Publishing2016

Thermo-mechanical volume change behaviour of Opalinus Clay

Lyesse Laloui, Alessio Ferrari, Valentina Favero

The paper examines the thermo-mechanical volume change behaviour of Opalinus Clay in relation to different stress conditions and overconsolidation ratio (OCR) values and evaluates the impact of temperature on some hydro-mechanical properties of this materi ...

Elsevier2016

One-dimensional Compression and Consolidation of Shales

Lyesse Laloui, Alessio Ferrari, Valentina Favero

This paper presents a comprehensive methodology for analysing the compression and consolidation behaviour of shales. An apparatus was designed to perform oedometric high-pressure tests by applying a maximum vertical total stress of 100 MPa and simultaneous ...

Elsevier2016

Hydro-mechanical Behaviour of Reconstituted and Intact Shales

Lyesse Laloui, Alessio Ferrari, Valentina Favero

2015

Hydro-mechanical behaviour of shot-clay bentonite

Lyesse Laloui, Alessio Ferrari, Ali Seiphoori

Experimental tests were conducted to characterise the hydro-mechanical behaviour of shot-clay MX-80 bentonite. Granular bentonite was mixed continuously with water and shot on the walls of a tunnel section at the Grimsel Underground Research Laboratory (UR ...

Taylor & Francis2015

Monitoring and prediction in Early Warning Systems (EWS) for rapid mass movements

Marc Schleiss, Dani Or, Alexis Berne, Alessio Ferrari

Rapid mass movements (RMM) pose a substantial risk to people and infrastructure. Reliable and cost-efficient measures have to be taken to reduce this risk. One of these measures includes establishing and advancing the State of Practice in the application o ...

Copernicus Publications2015

Collapse-upon-wetting behaviour of a volcanic soil

Alessio Ferrari, Eleonora Crisci

Experimental results of volumetric response of a volcanic soil were collected in standard oedometric tests, with the aim to evaluate the volumetric response of this soil when subjected to loading and wetting paths. Microstructural features of reconstituted ...

Crc Press-Taylor & Francis Group2015

Sensitive THM coupled analysis of buffer-rock barriers for nuclear waste storage

Lyesse Laloui, Alessio Ferrari, Yafei Qiao

The buffer-rock barriers system is widely proved to be one of the most promising options for isolating high-level radioactive waste from the human environment. To certify the efficiency and provide the additional development regarding design and assessment ...

Crc Press-Taylor & Francis Group2015

One-Dimensional Transient Analysis of Rainfall Infiltration in Unsaturated Volcanic Ash

Lyesse Laloui, John Eichenberger, Elliot James Fern, Alessio Ferrari

The paper presents a one-dimensional hydro-mechanical analysis of rainfall infiltration in a loose volcanic ash and the utilisation of a factor of safety for the implementation of an early-warning system. Three different rainy seasons with different rainfa ...

Springer-Verlag Berlin2015

Characterization of gas flow through low-permeability claystone: laboratory experiments and two-phase flow analyses

Alessio Ferrari

For the characterization of gas migration through a low-permeability clay host rock for deep underground repositories, a comprehensive understanding of the relevant phenomena of gas and fluid flow through low-permeability clay is required. The National Coo ...

2014

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