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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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Imbabi, Mohammed
University of Aberdeen
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (3/3 displayed)
- 2020Critical review of recent development in fiber reinforced adobe bricks for sustainable constructioncitations
- 2018The cuboid method for measurement of thermal properties of cement-based materials using the guarded heat flow metercitations
- 2000Edge effects in the failure of elastic/viscoelastic joints subjected to surface tractions
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article
The cuboid method for measurement of thermal properties of cement-based materials using the guarded heat flow meter
Abstract
Contact resistance can significantly affect the measurement of thermal conductivity of cement-based specimens using contact methods. A new method is proposed which has a reduced time and material requirement compared with the currently accepted methods: the Cuboid method. The Cuboid method requires just one cuboid-shaped sample of relatively small contact area, surrounded by insulation board, while the currently accepted two-thickness and multi-thickness methods require at least two samples of contact area greater than the metering area of the apparatus. Results from the Cuboid method and multi-thickness method were compared for specimens of Polymethyl methacrylate (PMMA) acrylic and hydrated CEM II Portland cement paste. The results differed by just 3.6% and 7.7% respectively for thermal conductivity measured in steady state condition. A non-steady-state method for the determination of specific heat capacity and thermal diffusivity of cement-based specimens, developed from the Cuboid method, is also presented. Relative uncertainties of the results for cement pastes measured in steady-state and non-steady state condition ranged from 2.2 to 11.5%.