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| Naji, M. |
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| Motta, Antonella |
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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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| Bih, L. |
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| Casati, R. |
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| Kočí, Jan | Prague |
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| Azam, Siraj |
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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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Jaskulski, Roman
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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
Analysis of the Thermal Properties and Structure of Gypsum Modified with Cellulose Based Polymer and Aerogels
Abstract
The work presents results of research on the influence of micro materials on the thermal conductivity λ of gypsum.In the research, cellulose-based polymer and aerogel were used as the modifying micro materials. For the purposeof measuring the thermal conductivity, a non-stationary method was used based on the “hot wire method”. A veryprecise set of devices for measuring and recording the temperature of the heating wire was used. In the presentedsolution, a single measurement took only one minute. Measurements were recorded with the help ofa computer measuring system, with a sampling time of 0.01s. During the 60-second-long test, 6000 measurementsof the heating wire temperature were collected. A decrease of the thermal conductivity and density of hardenedgypsum with added micro materials was observed due to modifications of the structure of the final product.Experimental values of the thermal conductivity of the gypsum specimens with the addition of polymer and aerogelwere respectively over 23% and 6% lower than the non-modified gypsum specimen.