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Lyesse Laloui

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Related publications (386)

Multiphysical numerical modelling of an MICP upscaling experiment with ex-situ hydrolysis

Lyesse Laloui, Dimitrios Terzis, Jose Antonio Bosch Llufriu, Sofie Elaine ten Bosch

Microbially induced calcite precipitation (MICP) is an innovative biogeochemical ground improvement technology that can be used in-situ to improve soil stiffness and strength, by precipitating calcite within the soil. Bio-chemo-hydro-mechanical processes a ...

Argo-E Group2023

Pore-pressure coefficients for unsaturated soils: generalized effective stress approach

Lyesse Laloui, Alessio Ferrari, Angelica Tuttolomondo

Geotechnical problems with total stress changes occurring rapidly relative to the soil consolidation time can be conveniently addressed using an effective stress-based approach. For saturated states, analytical formulations of pore-pressure coefficients ad ...

CANADIAN SCIENCE PUBLISHING2023

Addressing the challenges of homogeneity, quality control and waste handling in soil bio-cementation: A large-scale experiment

Lyesse Laloui, Dimitrios Terzis, Ray Harran

In an attempt to go beyond the conventional laboratory experiments widely reported in literature around the emerging technique of soil bio-cementation, this work addresses key challenges related to its large-scale application. Precisely, a state-of-the-art ...

JAPANESE GEOTECHNICAL SOC2023

Thermo-hydro-mechanical behavior of energy barrettes: Field experiments and numerical simulations

Lyesse Laloui, Alessandro Francesco Rotta Loria, Elena Ravera

Over the past two decades, the thermo-hydro-mechanical behavior of earth-contact structures such as piles, walls, slabs, and tunnels, which simultaneously provide structural support and energy supply, has been studied through various field experiments and ...

ELSEVIER2023

Thermal performance of energy barrettes in an urban environment

Lyesse Laloui, Alessandro Francesco Rotta Loria, Elena Ravera

TU Delft OPEN Publishing2023

A unified Bio-Chemo-Hydro-Mechanical formulation for soil improvement with microbially-induced calcite precipitation

Lyesse Laloui, Dimitrios Terzis, Jose Antonio Bosch Llufriu

This paper reports recent advances in modelling MICP at the engineering scale, in particular with respect to the stress-strain-strength modelling of bio-cemented soils. A complete Bio-Chemo-Hydro-Mechanical (BCHM) model is presented. The BCH model is based ...

Argo-E Group2023

Optimization and propagation of uncertainties of a THM numerical model representing a nuclear waste repository concept

Lyesse Laloui, Matthias Timothee Stanislas Wojnarowicz

Nuclear waste repositories are being considered by many countries to be the best solution to deal with the increasing amount of High-Level Waste (HLW) from nuclear power plant operation and decommissioning. The Swiss repository concept has been assessed si ...

Argo-E Group2023

Pore-pressure coefficients for unsaturated soils: Generalised effective stress approach

Lyesse Laloui, Alessio Ferrari, Angelica Tuttolomondo

2023

Thermo-hydro-mechanical analysis of the complete lifetime of the bentonite barrier in the FEBEX in-situ test

Lyesse Laloui, Alessio Ferrari, Yafei Qiao, Jose Antonio Bosch Llufriu

The FEBEX test was a large-scale demonstration project for the deep geological disposal concept of nuclear waste involving bentonite seals that lasted 18 years. One of the objectives of the test was to evaluate the capabilities of numerical methods to prov ...

2023

Mechanics, Modeling, and Upscaling of Biocemented Soils: A Review of Breakthroughs and Challenges

Lyesse Laloui, Dimitrios Terzis, Ray Harran

Biogeotechnical research has inspired revolutionary ideas to claim the status of a distinctive branch of geotechnical engineering. Most notably, underground carbonate mineralization, most commonly referred to as microbially induced carbonate precipitation ...

ASCE-AMER SOC CIVIL ENGINEERS2023

Energy geotechnology: A new era for geotechnical engineering practice

Lyesse Laloui, Melis Sütman

Energy geotechnology provides low carbon, cost-effective and local energy solu-tions to structures and infrastructures, which opens a new era for the geotechnical engineering practice, by extending the conventional role of structural design to the ...

CRC Press2023

Modelling the density homogenisation of a block and granular bentonite buffer upon non-isothermal saturation

Lyesse Laloui, Alessio Ferrari, Jose Antonio Bosch Llufriu

2023

CO2 storage in basalts: the impact of mineralisation on the hydromechanical response of the material

Lyesse Laloui, Eleni Stavropoulou

Carbon mineralisation in basalts is a promising cost-effective way to permanently store CO2 in view of climate change mitigation. In this work, the impact of carbon mineralisation on the hydromechanical properties of a basaltic sample is studied. Unlike pr ...

Argo-E Group2023

Analysis of barrette foundations subjected to mechanical and thermal loads

Lyesse Laloui, Alessandro Francesco Rotta Loria

In recent years, there has been increasing interest in the use of rectangular barrette foundations for the structural support and energy supply of tall buildings when circular piles become inefficient or uneconomical. In such applications, so-called energy ...

2022

Discussion on "Experimental Deformation of Opalinus Clay at Elevated Temperature and Pressure Conditions: Mechanical Properties and the Influence of Rock Fabric" of Schuster, V., Rybacki, E., Bonnelye, A., Herrmann, J., Schleicher, AM, Dresen, G

Lyesse Laloui, Alessio Ferrari, Eleonora Crisci

The testing procedure and results on saturated samples of Opalinus Clay in the work of Schuster et al. (Rock Mech Rock Eng https://doi.org/10.1007/ s00603-021-02474-3, 2021) were conducted and presented using strain rates two to four orders of magnitudes h ...

2022

Characterizing the Deformation Evolution with Stress and Time of Biocemented Sands

Lyesse Laloui, Dimitrios Terzis, Ray Harran

Soil biocementation represents an emerging technique that has dominated the development of sustainable and innovative geotechnics during the past decade. Despite numerous studies focusing on peak strength behavior and the ensuing softening response, less i ...

2022

Visualising the coupled mechanics of CO2 breakthrough

Lyesse Laloui, Eleni Stavropoulou

2022

Geomechanics for Energy and the Environment: Current Developments

Lyesse Laloui, Roba Houhou

Geomechanics is advancing our understanding of the multi-physical processes encountered in engineering practices involving energy storage and production and environmental protection for which the characterization of the behavior of relevant materials is es ...

2022

Effective stress concept for mechanical modeling of clays under different environmental conditions

Lyesse Laloui, Alessio Ferrari, Angelica Tuttolomondo

EDP Sciences2022

Swelling and shrinkage of gas shales due to suction variations

Lyesse Laloui, Alessio Ferrari, Jinwoo Kim

2022

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