| 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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Nguyen, Tien-Dung
Imperial College London
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (14/14 displayed)
- 2022Potential additives for magnesia-based concrete with enhanced performance and propensity for CO2 sequestrationcitations
- 2022New frontiers in sustainable cementscitations
- 2022Potential additives for magnesia-based concrete with enhanced performance and propensity for CO 2 sequestrationcitations
- 2021Improving the carbonation resistance of Na2CO3-activated slag mixes via the use of reactive MgO and nucleation seedingcitations
- 2018Improving the Carbonation of Reactive MgO Cement Concrete via the Use of NaHCO3 and NaClcitations
- 2018Improving the Carbonation of Reactive MgO Cement Concrete via the Use of NaHCO 3 and NaClcitations
- 2018Development of MgO concrete with enhanced hydration and carbonation mechanismscitations
- 2017Performance and microstructural development of MgO-SiO 2 binders under different curing conditionscitations
- 2017Influence of nucleation seeding on the performance of carbonated MgO formulationscitations
- 2017Performance and microstructural development of MgO-SiO2 binders under different curing conditionscitations
- 2016Engineering properties and durability of high-strength self-compacting concrete with no-cement SFC bindercitations
- 2016Improving the performance of reactive MgO cement-based concrete mixescitations
- 2016Sulfate resistance of low energy SFC no-cement mortarcitations
- 2015Influence of circulating fluidized bed combustion (CFBC) fly ash on properties of modified high volume low calcium fly ash (HVFA) cement paste
Places of action
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article
Improving the performance of reactive MgO cement-based concrete mixes
Abstract
Low hydration and high water demand of MgO limits strength gain in MgO cement-based formulations. This study enhanced the microstructure and performance of MgO concrete mixes by increasing hydration and lowering water demand via the introduction of hydration (HA) and dispersion (DA) agents. Hydration and carbonation mechanisms were evaluated by isothermal calorimetry, TGA, XRD, FTIR and SEM. HA increased MgO dissolution and brucite precipitation. DA reduced water content and resulted in denser microstructures by increasing CO2 diffusion. Formation of dense carbonate networks with improved morphologies resulted in 28-day strengths of 45 MPa, which were >50% higher than the control sample.