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Multi-scale moisture diffusion and sorption in cement-based materials
The main objective of this work was to study the physical processes implied in the moisture transport in hardened cementitious based materials. Understanding such... -
Structural characterization, exchange properties and stability of hydrocalumi...
This study investigated the structures of the LDH phases, also called hydrocalumite. -
Contribution about the behavior of fresh cement based material
Ce rapport est une synthèse de mon activité de recherche post-thèse au LG2M à Lorient. Les recherches exposées se situent dans le domaine de la rhéologie des matériaux... -
Contribution à l'utilisation de sous-produits industriels : application au ca...
Le travail exposé dans ce mémoire est une approche pour la réutilisation d'un sous produit industriel: Le PHOSPHOGYPSE. Nous avons commencé par un rappel du cadre... -
Evaluation of the mechanical properties of a soil-mixing material
The Soil-Mixing consists in mixing a hydraulic binder into the soil mechanically in order to improve its mechanical properties. Because of its economical as well as... -
Étude de matériaux composites fibres de dictame/ciment
International audience -
L'ordre du béton
International audience -
Experimental study and thermodynamic modelling of CaO-SiO2-(Al2O3)-H2O system
The aim of this work is to build a thermodynamic model at 25°C to describe the main hydrates of ordinary Portland cement with or without supplementary cementitious... -
Relations entre la composition, la structure et les propriétés thermo-mécaniq...
Le mémoire d'Habilitation à Diriger les Recherches (HDR) de François OLARD présente les principaux travaux de recherche et de diffusion scientifique, depuis sa thèse... -
The impact of cement parameters on delayed ettringite formation
Delayed ettringite formation in concrete is likely to lead to swelling and cracking in structures which have undergone eartly age heating to a temperature of over... -
Geopolymer cement and use therof
The present invention relates to a novel type of noncorrosive geopolymer cement in which said cement comprises a metakaolin or a mixture of metakaolin and... -
Micro-transducteur ultrasonique à base de nanotubes de carbone pour l'instrum...
Le suivi in-situ des matériaux est essentiel au suivi du vieillissement des constructions. Cette science a besoin de microcapteurs autonomes implémentables en masse... -
Carbon nanotubes based ultrasonic transducer: realization process, morphologi...
For instrumentation of microporosity in cementitous materials, carbon nanotubes based capacitive ultrasonic transducers (cMUT) are promising sensors. Their interest... -
Micro−transducteur ultrasonique capacitif à membrane de nanotubes de carbone
Nous présentons des éléments de la conception, la réalisation et la caractérisation d'un micro−transducteur ultrasonique capacitif haute-fréquence dont la membrane... -
Capacitive ultrasonic micro-transducer made of carbon nanotubes
We put forward an innovative method for the non-destructive testing of durability in cementitious material. It is based on microporosity probing by high-frequency... -
Reactive transport modeling of CO2 through cementitious materials under CO2 g...
A reactive transport model is proposed to simulate the reactivity of cement based material in contact with CO2-saturated brine and supercritical CO2 (scCO2) under CO2... -
Effect of stress and temperature on the integrity of cement of oil wells
During the construction phase of oil wells, a cement slurry is pumped into the annular space between the casing and the rock. The cement sheath aims to support the... -
Ciment géopolymérique et son utilisation
La présente invention concerne un nouveau type de ciment géopolymérique non corrosif dans lequel ledit ciment comprend un métakaolin ou un mélange métakaolin et d'un... -
Definition of an appropriate cementitious material formulation for sewer netw...
Sewer networks are subjected to many degradations including biodeterioration of materials in the presence of biogenic sulfuric acid, leading to costly rehabilitation....
