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Alessio Ferrari

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Publications associées (174)

Water retention behaviour of shales

Lyesse Laloui, Alessio Ferrari, Valentina Favero

The involvement of shales in engineering fields such as the extraction of shale gas or the nuclear waste geological disposal is mainly driven by the low permeability and the high retention properties of these geomaterials. The high capillary forces develop ...

2014

Experimental analysis of the water retention 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 ...

Elsevier2014

Water retention behavior of deformable soils-experiment and modeling

Lyesse Laloui, Mathieu Nuth, Alessio Ferrari, Simon Salager

The paper presents an experimental and modelling approach for the soil water retention behaviour of two deformable soils. The objective is to investigate the physical mechanisms that govern the soil water retention properties and to propose a constitutive ...

Crc Press-Taylor & Francis Group2014

Shot-clay MX-80 bentonite: an assessment of the hydro-mechanical behaviour

Lyesse Laloui, Alessio Ferrari, Ali Seiphoori

This study presents the results of an experimental study conducted to characterise the hydro-mechanical behaviour of shot-clay MX-80 bentonite. In the shot-clay process, granular bentonite was mixed continuously with water and shot on the walls of a tunnel ...

Elsevier2014

Water retention behaviour and microstructural evolution of MX-80 granular bentonite during wetting and drying cycles

Lyesse Laloui, Alessio Ferrari, Ali Seiphoori

MX-80 bentonite used in engineered barrier systems would be subjected to wetting and drying cycles. To assess the response of the material under such circumstances, a comprehensive experimental characterisation of the water retention behaviour of compacted ...

2014

The Pore Structure Of Compacted And Partly Saturated Mx-80 Bentonite At Different Dry Densities

Alessio Ferrari, Ali Seiphoori

Compacted MX-80 bentonite is a potential backfill material in radioactive-waste repositories. Pore space in MX-80 has been the subject of considerable debate. 3D reconstructions of the pore space based on tomographic methods could provide new insights into ...

Clay Minerals Soc2014

Pore structure evolution of compacted granular bentonite during wetting and drying cycles

Lyesse Laloui, Alessio Ferrari, Ali Seiphoori

Deep geological repositories are considered as suitable solutions for the disposal of high level nuclear wastes. In several repository concepts (e.g. in Spain and Switzerland), bentonites are selected as the main component of the engineered barrier to be p ...

2014

On the Fluid Retention Properties of Shales

Lyesse Laloui, Alessio Ferrari, Valentina Favero

The development of engineering activities involving shales such as the extraction of shale gas and shale oil, the nuclear waste geological storage and the sequestration of CO2, has led to an increasing interest toward the geomechanical behaviour of this ge ...

ASCE2014

On the water retention behaviour of shales

Lyesse Laloui, Alessio Ferrari, Valentina Favero

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

2014

Monte Carlo modeling of crystal channeling at high energies

Alessio Ferrari, Philippe Jean Schoofs, Francesco Cerutti

Channeling in bent crystals is becoming a reliable and efficient technique for collimating beams. At CERN, the installation of crystals in LHC is under scrutiny by the UA9 collaboration with the goal of investigating if they are a viable option for the col ...

Elsevier2013

Experimental analysis of the retention behavior of shales

Lyesse Laloui, Alessio Ferrari, Valentina Favero

The analysis of the volumetric behavior and the consolidation of shales require the involved materials to be tested under high confining stresses. The paper presents the apparatuses and the techniques that have been developed recently for testing shales un ...

2013

Characterization of THM Behaviour of Compacted MX-80 Granular Bentonite Using an Advanced Double-wall Triaxial Cell

Lyesse Laloui, Alessio Ferrari, Ali Seiphoori

This paper aims at characterization of thermo-hydro-mechanical behaviour of MX-80 granular bentonite obtained from an innovative double-cell triaxial system. The system has been mainly developed to perform suction controlled tests on unsaturated geomateria ...

2013

Early warning thresholds for partially saturated slopes in volcanic ashes

Lyesse Laloui, John Eichenberger, Alessio Ferrari

Rainfall-induced landslides in steep soil slopes of volcanic origin are a major threat to human lives and infrastructure. In the context of constructing early warning systems in regions where extensive data on landslide occurrences and associated rainfall ...

Elsevier2013

An experimental and constitutive investigation on the chemo-mechanical behaviour of a clay

Lyesse Laloui, Alessio Ferrari, Paul Joost Witteveen

Engineering issues for which the understanding of the chemo-mechanical behaviour of soils is relevant include wellbore stability problems, the sali-nification of groundwater and nuclear waste storage, etc. However, despite the vast number of situations in ...

Ice Publishing2013

Chemo-mechanical behaviour of a low activity clay

Lyesse Laloui, Alessio Ferrari, Paul Joost Witteveen

Environmental geotechnics involves several engineering applications (such as the salinification of groundwater and the storage of nuclear wastes) for which a deep understanding of the chemo-mechanical behaviour of soils is a fundamental component. Despite ...

Taylor & Francis Group2013

An Insight into the Fluid Retention Capabilities of Shales

Lyesse Laloui, Alessio Ferrari, Valentina Favero

The hydro-mechanical behaviour of shales is becoming one of the most important issues in modern geomechanics, largely driven by petroleum industries (i.e., the extraction of shale gas), the sequestration of CO2 and the nuclear waste geological storage. In ...

2013

Hydro-mechanical behaviour of a volcanic ash

Lyesse Laloui, John Eichenberger, Alessio Ferrari

This paper presents experimental analysis and numerical modelling aimed at improved understanding and prediction of the hydro-mechanical behaviour of volcanic ash at various states of saturation. Results from a comprehensive experimental program are presen ...

Ice Publishing2013

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Alessio Ferrari

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Water retention behaviour of shales

Experimental analysis of the water retention behaviour of shales

Water retention behavior of deformable soils-experiment and modeling

Shot-clay MX-80 bentonite: an assessment of the hydro-mechanical behaviour

Water retention behaviour and microstructural evolution of MX-80 granular bentonite during wetting and drying cycles

The Pore Structure Of Compacted And Partly Saturated Mx-80 Bentonite At Different Dry Densities

Pore structure evolution of compacted granular bentonite during wetting and drying cycles

On the Fluid Retention Properties of Shales

On the water retention behaviour of shales

Monte Carlo modeling of crystal channeling at high energies

Experimental analysis of the retention behavior of shales

Characterization of THM Behaviour of Compacted MX-80 Granular Bentonite Using an Advanced Double-wall Triaxial Cell

Early warning thresholds for partially saturated slopes in volcanic ashes

An experimental and constitutive investigation on the chemo-mechanical behaviour of a clay

Chemo-mechanical behaviour of a low activity clay

An Insight into the Fluid Retention Capabilities of Shales

Hydro-mechanical behaviour of a volcanic ash

An investigation into the water retention behaviour of deformable soils

Analyses géo-mecaniques des glissements de terrain superficiels

Testing the Thermo-Hydro-Mechanical Behaviour of a Shale