Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Thermal Performance of Compressed Blocks Made from Construction and Polyurethane Foam Waste
https://orcid.org/http://orcid.org/0000-0002-4451-0446
https://orcid.org/http://orcid.org/0000-0003-2722-6790
https://orcid.org/http://orcid.org/0000-0003-0841-7954
https://orcid.org/http://orcid.org/0000-0003-4054-6860
https://orcid.org/http://orcid.org/0000-0002-3600-1094
It is intended with the research work here presented to contribute to the scientific knowledge regarding the incorporation of C&D and polyurethane foam wastes in compressed blocks. Two mixtures were defined considering the percentages of 2.5 and 5% of polyurethane foam waste. Fly ash was used as a precursor and the two mixtures were activated with a solution based on sodium hydroxide and sodium silicate. Experimental work was carried out to assess the blocks thermal performance. Experimental measurements allowed determining indoor and outdoor temperatures, heat flux and inner surface temperatures. The data acquired allowed to estimate the values of the thermal transmission coefficient. It was concluded that an increase in the percentage of polyurethane foam waste in the composition leads to an improvement of the thermal behaviour. Values of 2.93 and 2.57 W/m2 °C were estimated for the percentages of 2.5 and 5%, respectively, presenting higher values of thermal resistance when compared with a common solution of ceramic solid block with the same dimensions.
Thermal Performance of Compressed Blocks Made from Construction and Polyurethane Foam Waste
https://orcid.org/http://orcid.org/0000-0002-4451-0446
https://orcid.org/http://orcid.org/0000-0003-2722-6790
https://orcid.org/http://orcid.org/0000-0003-0841-7954
https://orcid.org/http://orcid.org/0000-0003-4054-6860
https://orcid.org/http://orcid.org/0000-0002-3600-1094
It is intended with the research work here presented to contribute to the scientific knowledge regarding the incorporation of C&D and polyurethane foam wastes in compressed blocks. Two mixtures were defined considering the percentages of 2.5 and 5% of polyurethane foam waste. Fly ash was used as a precursor and the two mixtures were activated with a solution based on sodium hydroxide and sodium silicate. Experimental work was carried out to assess the blocks thermal performance. Experimental measurements allowed determining indoor and outdoor temperatures, heat flux and inner surface temperatures. The data acquired allowed to estimate the values of the thermal transmission coefficient. It was concluded that an increase in the percentage of polyurethane foam waste in the composition leads to an improvement of the thermal behaviour. Values of 2.93 and 2.57 W/m2 °C were estimated for the percentages of 2.5 and 5%, respectively, presenting higher values of thermal resistance when compared with a common solution of ceramic solid block with the same dimensions.
Thermal Performance of Compressed Blocks Made from Construction and Polyurethane Foam Waste
https://orcid.org/http://orcid.org/0000-0002-4451-0446
https://orcid.org/http://orcid.org/0000-0003-2722-6790
https://orcid.org/http://orcid.org/0000-0003-0841-7954
https://orcid.org/http://orcid.org/0000-0003-4054-6860
https://orcid.org/http://orcid.org/0000-0002-3600-1094
It is intended with the research work here presented to contribute to the scientific knowledge regarding the incorporation of C&D and polyurethane foam wastes in compressed blocks. Two mixtures were defined considering the percentages of 2.5 and 5% of polyurethane foam waste. Fly ash was used as a precursor and the two mixtures were activated with a solution based on sodium hydroxide and sodium silicate. Experimental work was carried out to assess the blocks thermal performance. Experimental measurements allowed determining indoor and outdoor temperatures, heat flux and inner surface temperatures. The data acquired allowed to estimate the values of the thermal transmission coefficient. It was concluded that an increase in the percentage of polyurethane foam waste in the composition leads to an improvement of the thermal behaviour. Values of 2.93 and 2.57 W/m2 °C were estimated for the percentages of 2.5 and 5%, respectively, presenting higher values of thermal resistance when compared with a common solution of ceramic solid block with the same dimensions.
Thermal Performance of Compressed Blocks Made from Construction and Polyurethane Foam Waste
RILEM Bookseries
M.C.F. Cunha, Vítor (Herausgeber:in) / Rezazadeh, Mohammadali (Herausgeber:in) / Gowda, Chandan (Herausgeber:in) / Briga-Sá, A. (Autor:in) / Neiva, V. (Autor:in) / Leitão, D. (Autor:in) / Miranda, T. (Autor:in) / Cristelo, N. (Autor:in)
RILEM Spring Convention and Conference ; 2020 ; Guimarães, Portugal
Proceedings of the 3rd RILEM Spring Convention and Conference (RSCC 2020) ; Kapitel: 21 ; 225-236
RILEM Bookseries ; 35
14.07.2021
12 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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