| 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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Viani, Alberto
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (9/9 displayed)
- 2024The visualization of microcracks in aged cement mortar using tomographycitations
- 2023Organic-inorganic composites based on magnesium phosphate cement and acrylic latexes: Role of functional groups ; Organicko-anorganické kompozity na bázi hořečnatého fosfátového cementu a akrylových latexů: Role funkčních skupincitations
- 2022Corrosion and Electrochemical Properties of Laser-Shock-Peening-Treated Stainless Steel AISI 304L in VVER Primary Water Environmentcitations
- 2022Corrosion and Electrochemical Properties of Laser-Shock-Peening-Treated Stainless Steel AISI 304L in VVER Primary Water Environmentcitations
- 2021Design of polymeric binders to improve the properties of magnesium phosphate cement ; Návrh polymerních pojiv zlepšujících vlastnosti hořečnato-fosfátového cementucitations
- 2020Quantification of Microstructural Changes in Limestone Cement Paste Stored in Sulfate Environment at Low Temperaturecitations
- 2019Thermal Behavior of an Intumescent Alkaline Aluminosilicate Composite Material for Fire Protection of Structural Elementscitations
- 2016Evolution of microstructure and performance in magnesium potassium phosphate ceramics: role of sintering temperature of MgO powdercitations
- 2014Crystal chemistry of clinker relicts from aged cementitious materialscitations
Places of action
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document
Quantification of Microstructural Changes in Limestone Cement Paste Stored in Sulfate Environment at Low Temperature
Abstract
<jats:p>Portland-limestone cement paste specimens were stored in magnesium sulfate solution at 5°C for 6 months; the occurring microstructural changes have been monitored on a monthly basis. Extent of deterioration was quantitatively assessed with different techniques. The X-ray micro-computed tomography was employed to describe non-invasively the pore structure and extend of deterioration. X-ray powder diffraction and infrared spectroscopy were used to characterize the phase changes occurred in the course of the sulfate attack. Compressive strength tests reflected the effect of the process on mechanical performance. The results indicate the rapid degradation of the system, owing, mainly, to crack formation, expansion, and finally loss of cohesion between the deteriorated parts of the specimens and the sound cement matrix, as a consequence of the formation of new phases. The progress of an irregular deterioration front was observed. The presence of complex phases (thaumasite, ettringite) was proved, however, the deteriorated parts of the specimens mostly consisted of gypsum.</jats:p>