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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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| 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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| 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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| 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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Jaskulski, Roman
in Cooperation with on an Cooperation-Score of 37%
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Publications (4/4 displayed)
- 2020Analysis of the Thermal Properties and Structure of Gypsum Modified with Cellulose Based Polymer and Aerogels
- 2019Belite cement as an ecological alternative to Portland cement - a review
- 2019Influence of selected micro additives content on thermal properties of gypsumcitations
- 2019Influence of PCP Based Superplasticizer on Heat Emission During Portland Cement Hydration
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article
Influence of selected micro additives content on thermal properties of gypsum
Abstract
The presented work focuses on the influence of the micromaterials (microspheres, aerogel and polymer hydroxyethyl methylcellulose) on thermal properties of gypsum. The polymer and the aerogel are used as additives in the weight fraction, up to1% of pure gypsum and the microspheres in the weight fraction, up to 10% of gypsum. The water-to-gypsum ratio was at thelevel of 0.75. Non-stationary method and Isomet 2114 experimental setup were applied for the purpose of measurements ofthermal parameters. The coefficient of thermal conductivity λ, the specific heat Cp and the thermal diffusivity a were determined. The gypsum with polymer content resulted in more than 15% lower thermal conductivity in comparison to the specimen without HEMC as a result of the different density and total porosity of the material. The gypsum with aerogel andmicrospheres content resulted in more than 8% and 7% respectively lower values in comparison to the pure gypsum without micro additives. Decrease in thermal conductivity, thermal diffusivity and density with added micro product wereobserved as a result of structure modifications of the gypsum product.