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

Publications associées (17)

Microstructure et usinabilité d'alliages de titane béta-métastable

Titanium has become in recent years an interesting material in many applications that require a combination of high mechanical properties and low density. It has the peculiarity of undergoing an allotropic transformation at 882°C. Below this temperature, ...

EPFL2023

Modeling the mechanics and rheology of porous and granular media: an elastoplastic continuum approach

Lars Kristoffer Uhlen Blatny

The complex mechanics of porous and granular media play a significant role in various industrial processes and natural phenomena. As an example, understanding the mechanics of how failure occurs, localizes and propagates in porous brittle solids under vari ...

EPFL2023

Raising the temperature on electrodes for anion exchange membrane electrolysis-activity and stability aspects

Jan Van Herle

The membrane electrode assembly is the powerhouse of the anion exchange membrane water electrolyser (AEMWE), thereby placing a great importance on the associated preparation conditions. This paper investigated how annealing temperature and time impacted ac ...

ELSEVIER2023

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

Soil-structure interaction of surface footings

Lyesse Laloui, Cristiano Garbellini

Limit-state analysis of soil-structure interacting systems is a classical problem in theoretical and applied soil mechanics. Usually, the capacities of both components are evaluated separately. However, it is well known that soil-structure interaction play ...

2021

Fault Stability Across the Seismogenic Zone

François Xavier Thibault Passelègue

Across the seismogenic zone, the transition from brittle to plastic deformation corresponds to a semibrittle regime where brittle fracturing and plastic flow coexist at high strength conditions. Thorough experimental investigations on brittle-plastic trans ...

AMER GEOPHYSICAL UNION2020

Solute-strengthening in elastically anisotropic fcc alloys

William Curtin, Shankha Nag, Céline Varvenne

Dislocation motion through a random alloy is impeded by its interactions with the compositional fluctuations intrinsic to the alloy, leading to strengthening. A recent theory predicts the strengthening as a function of the solute-dislocation interaction en ...

IOP PUBLISHING LTD2020

A one-dimensional viscoelastic and viscoplastic constitutive approach to modeling the delayed behavior of clay and organic soils

Aldo Madaschi

Accurate modeling of the time-dependent behavior of geomaterials is of great importance in a number of engineering structures interacting with soft, highly compressible clay layers or with organic clays and peats. In this work, a uniaxial constitutive mode ...

Springer Verlag2017

Physical Phenomena in Dynamic Failure of Concrete at the Mesoscale

Okan Yilmaz

The aim of the present thesis is to model numerically the dynamic failure behavior of concrete at the mesoscale. Concrete is the world's most widely used construction material and the structures made of it are subjected to dynamic loads during their long s ...

EPFL2017

Simulação numérica da instabilidade de paredes finas de betão armado usando elementos de viga sujeitos a tração-compressão / Numerical simulation of instability of thin reinforced concrete walls using beam elements under tension-compression

Katrin Beyer, João Saraiva Esteves Pacheco de Almeida, Angelica Rosso

The increasing demand for housing in Colombia and several neighbouring countries, together with the large relative cost of the materials, has prompted city administrations to build thin reinforced concrete (RC) wall buildings with a single layer of reinfor ...

2016

Performance of punching shear reinforcement under gravity loading: Influence of type and detailing

Aurelio Muttoni, Miguel Fernández Ruiz, Jürgen Einpaul, Fabio Brantschen

The performance of 11 different shear reinforcement systems against punching of inner slab-column connections under gravity loading was compared on the basis of experiments on 12 full-scale specimens, 8 of them newly reported. The slab geometry and flexura ...

ACI Structural Journal2016

Strain Engineering of Electrical Conductivity in Epitaxial Thin Ba0.7Sr0.3TiO3 Film Heterostructures

Nava Setter, Barbara Maraston Fraygola, Sarunas Bagdzevicius

Thin epitaxial films have a great potential to be used in real life applications, such as oxide-on-silicon. However, they often contain a large amount of defects, leading to an enhanced electrical conductivity. This could be desirable in some applications ...

Lithuanian Physical Soc2016

Force-based higher-order beam element with flexural–shear–torsional interaction in 3D frames. Part I: Theory

João Saraiva Esteves Pacheco de Almeida

An innovative higher-order beam theory, capable of accurately taking into account flexural–shear–torsional interaction, is originally combined with a force-based formulation to derive the corresponding finite element. The selected set of higher-order defor ...

Elsevier2015

Experimental investigation on fatigue of concrete cantilever bridge deck slabs subjected to concentrated loads

Aurelio Muttoni, Miguel Fernández Ruiz, Francisco Manuel Maciel Natário

Shear has been observed to be often the governing failure mode of RC cantilever deck slabs of bridges without shear reinforcement subjected to concentrated loads when tested under a quasi-static application of the load. However, concentrated loads of heavy ...

Engineering structures2015

A bio-chemo-hydro-mechanical model for microbially induced calcite precipitation in soils

Lyesse Laloui

Microbial Induced Calcite Precipitation (MICP) is an innovative technique for soil grouting involving a bacterial reactive grout. A comprehensive research work is carried out to better understand and consequently describe the phenomenon of multispecies rea ...

Elsevier Sci Ltd2012

Models for piezoelectric sensor-actuator systems

Robert Dunsch

The miniaturization trend in industry requires micro devices for handling and sensing in a micro environment. As the size of the handled objects decreases and their fragility increases, the demand for sensors with higher force sensitivity and resolution gr ...

EPFL2007

Measurement and modelling of fibre distribution and orientation in UHPFRC

Eugen Brühwiler, Emmanuel Denarié, John Wuest

Ultra High Performance Fibre Reinforced Concretes (UHPFRC) combine outstanding protective (extremely low permeability) and mechanical (high tensile strength and significant tensile strain hardening) properties. These materials can be used in composite UHPF ...

HPFRCC52006