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A model for the water retention behavior of deformable soils including capillary hysteresis

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Poroelastic behavior of Calcarenite for the purposes of geologic CO2 storage

Lyesse Laloui, Roman Makhnenko

Geologic CO2 sequestration is considered to be the most promising technique to reduce the concentration of greenhouse gases in the atmosphere. Among all the storage options, deep saline aquifers have the greatest potential and due to their worldwide occurr ...

2014

Water retention behavior of deformable soils-experiment and modeling

Lyesse Laloui, Alessio Ferrari, Mathieu Nuth, 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

Multiphysical Testing of Soils and Shales

Lyesse Laloui, Alessio Ferrari

Significant advancements in the experimental analysis of soils and shales have been achieved during the last few decades. Outstanding progress in the field has led to the theoretical development of geomechanical theories and important engineering applicati ...

Springer2012

Benchmarking of constitutive models for unsaturated soils

Lyesse Laloui, Mathieu Nuth

The paper presents a collaborative piece of research undertaken by seven research teams from different universities within the ‘Mechanics of Unsaturated Soils for Engineering’ (MUSE) network. The objective is to benchmark different approaches to constituti ...

2011

An advanced calibration process for a thermo-hydro-mechanical triaxial system

Lyesse Laloui, Alessio Ferrari, Ali Seiphoori

This paper presents an innovative double cell triaxial system developed for better understanding of the complex thermo-hydro-mechanical behaviour of soils. In addition to the conventional triaxial mechanical testing, the equipment is aimed to perform sucti ...

2011

Mechanics of Unsaturated Geomaterials

Lyesse Laloui

An understanding of the mechanics of unsaturated geomaterials has become an important component of the background of a geo-engineer operating in various fields of geomechanics. Several geotechnical operations, such as compaction and excavation processes, a ...

John Wiley & sons2010

Investigations on water retention behaviour of deformable soils

Lyesse Laloui, Alessio Ferrari, Mathieu Nuth, Simon Salager

The trend in modern unsaturated soil mechanics is to enhance the physical understanding of the soil water retention properties. It is agreed that the retention characteristics depend on the state of compaction and are related to the deformability of the me ...

Taylor & Francis Group2010

Volume change behaviour of a compacted scaly clay during cyclic suction changes

Alessio Ferrari

The research presented in this paper focuses on the investigation and modelling of the volume change response of compacted tectonised clay samples subjected to several wetting and drying cycles in controlled-suction oedometers. Oedometer tests were carried ...

National Research Council Canada2010

Hydrogeochemical Modelling of Variably Saturated Soils

Laurin Wissmeier

This thesis is about the simulation of flow, transport and geochemical reactions in variably saturated soils. Motivated by the problematic disposal and revegetation of residue from aluminium refining, novel modelling tools for general geochemical reactions ...

EPFL2010

Non-isothermal infiltration in plastic bentonite

Lyesse Laloui, Bertrand François

In deep geological repository involving a multi-barrier system, the engineered materials, generally made of bentonite, constitute an important mechanical, thermal and hydraulic barrier to prevent the interaction between wastes and biosphere. To better unde ...

Taylor & Francis Group2010