Personne
Fabien Jacques Michel Georget
Cette personne n’est plus à l’EPFL
Publications associées (9)
Advances in hydration and thermodynamics of cementitious systems
Karen Scrivener, Patrick Juilland, Aslam Kunhi Mohamed, Fabien Jacques Michel Georget, Thomas Matschei
Optimising the hydration of cementitious materials is crucial to leverage their full potential and avoid wasting resources, embodied energy and CO2. Understanding the fundamental mechanisms is key to reach these objectives. In this paper, we review progres ...
Oxford2023Insights on chemical and physical chloride binding in blended cement pastes
Karen Scrivener, Fabien Jacques Michel Georget, William Wilson, Julien Nicolas Gonthier
This study investigates chloride binding in blended cement pastes exposed to 0.5 M NaCl solutions (with and without pH adjustment) using X-ray diffraction and energy-dispersive X-ray spectroscopy image analysis (edxia). The aim is to better understand the ...
PERGAMON-ELSEVIER SCIENCE LTD2022Simple automation of SEM-EDS spectral maps analysis with Python and the edxia framework
Karen Scrivener, Fabien Jacques Michel Georget, William Wilson
In a recent article, we described the edxia framework, a user-friendly framework to analyse the microstructure of cementitious materials using SEM-EDS hypermaps. The manual approach presented was shown to be efficient to answer the relevant scientific ques ...
WILEY2022Evolution of microstructural changes in cement paste during environmental drying
Karen Scrivener, Fabien Jacques Michel Georget, Hamed Maraghechi, Wioletta Soja
Exposure of concrete to the atmosphere changes the microstructure of the cement paste. However, knowledge about the alteration of the porosity due to drying is typically not considered in deterioration processes of the hardened cement paste. The purpose of ...
PERGAMON-ELSEVIER SCIENCE LTD2020Unravelling chloride transport/microstructure relationships for blended-cement pastes with the mini-migration method
Karen Scrivener, Fabien Jacques Michel Georget, William Wilson
A chloride mini-migration method is proposed to estimate effective diffusion coefficients at the scale of the cement paste and to investigate mechanisms with complementary microstructure analyses on the same material. Blended-cement pastes with a wide rang ...
2020edxia: Microstructure characterisation from quantified SEM-EDS hypermaps
Karen Scrivener, Fabien Jacques Michel Georget, William Wilson
The characterisation of cement paste microstructure is an important step towards understanding durability mechanisms in cementitious materials. Scanning electron microscopy (SEM) coupled with energy dispersive spectroscopy (EDS) is a widely used technique ...
2020Quantification methods for chloride binding in Portland cement and limestone systems
Karen Scrivener, Wei Sun, Fabien Jacques Michel Georget, Hamed Maraghechi, William Wilson, Shiyu Sui
This paper presents a comparison of methods to quantify the chloride binding capacity for cementitious materials composed of Ordinary Portland Cement (OPC) and Limestone (LS, 0 to 55% replacement). Physical and chemical chloride bindings were investigated ...
PERGAMON-ELSEVIER SCIENCE LTD2019Impact of the microstructure model on coupled simulation of drying and accelerated carbonation
During carbonation, the microstructure of a cement paste is strongly modified, which induces a dynamic feedback loop impacting the global advancement of the reaction. In this study, we investigate the effect of the microstructure model on simulations of ac ...
PERGAMON-ELSEVIER SCIENCE LTD2018Reactive transport modelling of cement paste leaching in brines
We propose and analyse a unified reactive transport model for leaching of cement paste in brines, with and without CO2. We investigate the impact of the boundary conditions on the rate of propagation of the reaction. In agreement with experiments, we obser ...
PERGAMON-ELSEVIER SCIENCE LTD2018