| 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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Cnudde, Veerle
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (39/39 displayed)
- 2023Assessment of pore structure characteristics and tortuosity of 3D printed concrete using mercury intrusion porosimetry and X-ray tomographycitations
- 2023Assessment of pore structure characteristics and tortuosity of 3D printed concrete using mercury intrusion porosimetry and X-ray tomographycitations
- 2023Assessment of pore structure characteristics and tortuosity of 3D printed concrete using mercury intrusion porosimetry and X-ray tomography
- 2023An automated wireless system for monitoring concrete structures based on embedded electrical resistivity sensors : data transmission and effects on concrete propertiescitations
- 2022Transport properties of 3D printed cementitious materials with prolonged time gap between successive layerscitations
- 2022Transport properties of 3D printed cementitious materials with prolonged time gap between successive layerscitations
- 2021Manual application versus autonomous release of water repellent agent to prevent reinforcement corrosion in cracked concretecitations
- 2021Manual application versus autonomous release of water repellent agent to prevent reinforcement corrosion in cracked concrete
- 2021Anisotropic small-strain stiffness of calcareous sand affected by sample preparation, particle characteristic and gradationcitations
- 2021Kinematic and mechanical response of dry woven fabrics in through-thickness compression: Virtual fiber modeling with mesh overlay technique and experimental validationcitations
- 2020X-Ray Micro Tomography of Water Absorption by Superabsorbent Polymers in Mortarcitations
- 2020Event-based contact angle measurements inside porous media using time-resolved micro-computed tomographycitations
- 2019Multiscale characterization of glass wools using X-ray micro-CTcitations
- 2019Microstructural characterization of 3D printed cementitious materialscitations
- 2019Microstructural characterization of 3D printed cementitious materialscitations
- 2019Investigation of the effect of specific interfacial area on strength of unsaturated granular materials by X-ray tomographycitations
- 2019Investigation of the effect of specific interfacial area on strength of unsaturated granular materials by X-ray tomographycitations
- 2019The impact of post depositional alterations on the preservation of microwear traces
- 2018Effect of Polyurethane Viscosity on Self-Healing Efficiency of Cementitious Materials Exposed to High Temperatures from Sun Radiationcitations
- 2018Effect of Polyurethane Viscosity on Self-Healing Efficiency of Cementitious Materials Exposed to High Temperatures from Sun Radiationcitations
- 2018Poly(methyl methacrylate) capsules as an alternative to the ‘’proof-of-concept’’ glass capsules used in self-healing concrete
- 2018Poly(methyl methacrylate) capsules as an alternative to the ‘’proof-of-concept’’ glass capsules used in self-healing concretecitations
- 2018Methane bubble growth and migration in aquatic sediments observed by X-ray mu CTcitations
- 2016Capillary water absorption in cracked and uncracked mortar - A comparison between experimental study and finite element analysiscitations
- 2016The microstructure of capsule containing self-healing materials: A micro-computed tomography studycitations
- 2016X-ray computed microtomography to study autogenous healing of cementitious materials promoted by superabsorbent polymerscitations
- 2016Experimental study of the ageing of building stones exposed to sulfurous and nitric acid atmospheres
- 2015Autogenous healing of cementitious materials promoted by superabsorbent polymers studied by means of X-ray computed microtomography
- 2013Compatibility assessment for repair mortars
- 2012X-ray microtomography (mu-CT) to evaluate microstructure of mortars containing low density additionscitations
- 2010X-ray tomography to visualise concrete degradation and (self)-healing
- 2009Porosity and microstructure characterization of building stones and concretes
- 2009Development of injection moulded matrix tablets based on mixtures of ethylcellulose and low-substituted hydroxypropylcellulose
- 2009Multi-resolution X-ray CT research applied on geomaterials
- 2008X-ray computed microtomography on cementitious materials
- 2008Comparison of different nano- and micro-focus X-ray computed tomography set-ups for the visualization of the soil microstructure and soil organic matter
- 2007Strain monitoring in thermoplastic composites with optical fiber sensors: embedding process, visualization with micro-tomography, and fatigue results
- 2006Detection and distribution analysis of organosilicon compounds in wood by means of SEM-EDX and micro-CTcitations
- 2005A sensitivity study for the visualisation of bacterial weathering of concrete and stone with computerised X-ray microtomographycitations
Places of action
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article
X-ray computed microtomography to study autogenous healing of cementitious materials promoted by superabsorbent polymers
Abstract
<p>Autogenous healing of cracks may offer a solution for brittle cementitious materials. In this study, the healing building blocks are available through the well-designed ultra-ductile microfibre-reinforced mixture with a low water-to-binder ratio and water is available through the inclusion of superabsorbent polymers. As visual inspection demonstrates that the crack is completely closed at the surface, one may ask whether this healing also is present in the interior of the crack. X-ray computed microtomography was therefore used to study the extent of autogenous healing in cracked cylindrical specimens. It was found that the extent of autogenous healing in a cementitious material depends on the crack depth. Only near the crack mouth (0 till 800-1000 μm) the crack is closed by calcium carbonate formation in case of wet/dry cycles. In combination with superabsorbent polymers, the extent of healing was more substantial. For mixtures containing superabsorbent polymers there was even partial healing in the interior of the crack when stored at a relative humidity of 60% or more than 90%. Energy-dispersive spectroscopy combined with microscopic analysis showed that the healing products were mainly calcium carbonate. The smart cementitious material with superabsorbent polymers is thus an excellent material to use in future building applications as the healing capacity is improved.</p>