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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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França De Mendonça Filho, F.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (20/20 displayed)
- 2024An analytical equation to predict mortar spalling at laboratory scalecitations
- 2024An analytical equation to predict mortar spalling at laboratory scalecitations
- 2023Non-destructive screening methodology based on handheld XRF for the classification of concretecitations
- 2022Surface effects of molten slag spills on calcium aluminate cement pastecitations
- 2022Nano-modification in digital manufacturing of cementitious compositescitations
- 2021Thermal, optical and mechanical properties of new glass compositions containing fly ash
- 2021Thermal, optical and mechanical properties of new glass compositions containing fly ash
- 2021Characterization of air-void systems in 3D printed cementitious materials using optical image scanning and X-ray computed tomographycitations
- 2021Characterization of air-void systems in 3D printed cementitious materials using optical image scanning and X-ray computed tomographycitations
- 2020X-Ray Micro Tomography of Water Absorption by Superabsorbent Polymers in Mortarcitations
- 2020Fundamental investigation on the frost resistance of mortar with microencapsulated phase change materialscitations
- 2020Fundamental investigation on the frost resistance of mortar with microencapsulated phase change materialscitations
- 2019Re-curing of calcium aluminate cements post contact with molten slag
- 2019Frost Damage Progression Studied Through X-Ray tomography In Mortar With Phase Change Materials
- 2019Frost Damage Progression Studied Through X-Ray tomography In Mortar With Phase Change Materials
- 2018Mechanical properties of ductile cementitious composites incorporating microencapsulated phase change materialscitations
- 2017Development of ductile cementitious composites incorporating microencapsulated phase change materialscitations
- 2017Development of ductile cementitious composites incorporating microencapsulated phase change materialscitations
- 2017Dealing with uncertainty in material characterization of concrete by education
- 2015Semi- and full quantitative EDS microanalysis of chlorine in reinforced mortars subjected to chloride ingress and carbonation
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article
An analytical equation to predict mortar spalling at laboratory scale
Abstract
<p>Spalling is the main problem concerning safety in concrete structures under rapid heating. Despite being studied for nearly a century, its prediction remains a challenge. In addition, the main recommendations for its prevention are merely the addition of a fixed amount of polypropylene fibres, without accounting for mix design. This paper presents an experimental study focusing on the thermo-hygral mechanism contribution to spalling. The use of mercury intrusion porosimetry and X-ray microtomography for the determination of pore connectivity is considered a key parameter. The results of the experiment are used for the development and calibration of an analytical equation capable of predicting spalling in concrete samples. The equation is then validated using over 100 examples extracted from literature, achieving an accuracy of 91.2%. Based on the validation, the proposed equation is a step forward in the prediction of concrete spalling based on the mix design parameters.</p>