| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Jebli, Mouad
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (23/23 displayed)
- 2024Experimental evaluation of interface adhesion of a flax fiber composite patch with epoxy and polyurethane adhesives for the reinforcement of steel structurescitations
- 2024Experimental evaluation of interface adhesion of a flax fiber composite patch with epoxy and polyurethane adhesives for the reinforcement of steel structurescitations
- 2023Identification of a cohesive zone model for cement paste-aggregate interface in a shear testcitations
- 2023Experimental evaluation of interface adhesion of a flax fiber composite patch with epoxy and polyurethane adhesives for the reinforcement of steel structurescitations
- 2021Characterization of the expansion due to the delayed ettringite formation at the cement paste-aggregate interfacecitations
- 2021Characterization of the expansion due to the delayed ettringite formation at the cement paste-aggregate interfacecitations
- 2020Identification of a cohesive zone model for cement paste-aggregate interface in a shear testcitations
- 2020Experimental study of the chemo-mechanical properties of the interfacial transition zone of concrete
- 2020Leaching effect on concrete - Part I: characterization of chemical degradation evolution of ITZ ; Efectul levigării asupra betonului -partea I: caracterizarea evoluției degradării chimice a zonei de tranziție inter facială
- 2020Leaching effect on concrete – Part II: mechanical behaviour evolution of ITZ during leaching at the local scale
- 2020Leaching effect on concrete – Part II: mechanical behaviour evolution of ITZ during leaching at the local scale ; Efectul levigării asupra betonului – partea a ii-a: evoluția comportării mecanice a itz în timpul levigării la scară locală
- 2020Caractérisation à l’échelle locale de la dégradation de l’interphase ciment-granulat par un traitement hygrothermique
- 2020Leaching effect on concrete -part I: characterization of chemical degradation evolution of ITZ
- 2019Identification of a cohesive zone model for cement paste-aggregate interface in a shear testcitations
- 2018Leaching effect on mechanical properties of cement-aggregate interfacecitations
- 2018Leaching effect on mechanical properties of cement-aggregate interfacecitations
- 2018Experimental characterization of mechanical properties of the cement-aggregate interface in concretecitations
- 2018Experimental characterization of mechanical properties of the cement-aggregate interface in concretecitations
- 2018Caractérisation de l'expansion due à la réaction sulfatique interne à l'échelle de l'interphase pâte de ciment-granulat
- 2018Caractérisation expérimentale des propriétés chimio-mécaniques de l'interphase pâte de ciment-granulat par MEB et nano-indentation
- 2016Characterization of behavior and cracking of a cement paste confined between spherical aggregate particlescitations
- 2016Characterization of behavior and cracking of a cement paste confined between spherical aggregate particlescitations
- 2016Characterization at the local scale of mechanical properties of the cement paste-aggregate interface : leaching application
Places of action
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article
Characterization of behavior and cracking of a cement paste confined between spherical aggregate particles
Abstract
In this work, the cement–grain interactions in a pair of 8 mm spherical grains of quartz or calcite, linked by a Portland cement, are analyzed experimentally at a local scale (cement–grain interface) during mechanical testing. The volume of the cement paste, the water/cement ratio and the gap between the grains are constant. Examined samples are conditioned in an atmosphere of constant temperature (21 °C) and high relative humidity (~100%) to minimize drying shrinkage. At various stages of hydration, the samples are subjected to tensile or compressive tests, monitored by a high-speed camera. Stiffness and force at rupture are estimated and correlated to the crack initiation and propagation followed through image analysis. The results concern mechanical properties and kinetics of cracking in function of hydration time, for both types of loading and both types of grain. Such local characteristics will be used to propose local interaction laws and to support numerical modeling of the concrete at macroscopic scale.