Thermal and mechanical properties laboratory evaluation of hollow brick made of Rred clay and rice husk additive

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hdl:2117/349314
Document typeArticle
Defense date2020-12-12
PublisherInstitute of Physics (IOP)
Rights accessOpen Access
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Abstract
Hollow bricks in Rred clay for masonry are important in design and construction of buildings. Their thermal and mechanical properties must be considered because of the impact they have on energy consumption. The objective of this research is to evaluate thermal and mechanical properties of a new hollow brick, called Eco Design, made of Rred clay and rice husk additive, in order to identify the beneRts of its use in the construction of masonry walls in regions with a tropical climate. The methodology develops simulation of thermal properties of brick, manufacturing at the laboratory level and characterization of mechanical properties of Rnished product. Thermal validation simulates the behavior of heat transfer and iuxes of Eco Design in mixtures of 100% Rred clay, 95% -5%, 85% -15% and 70% -30% Rred clay with rice husk, respectively. Eco Design samples are manufactured by extrusion and Rred at 1000 °C. The characterization of mechanical properties of samples manufactured consists of determining dimensions, water absorptive capacity, linear shrinkage, mass losses and mechanical resistance to compression according to Colombian normative. The results indicate that Eco Design brick has a thermal beneRt of 6.9 °C in 95% -5% mixture, as the percentage of rice husk increases, beneRt increases 0.75 °C additional. Furthermore, the implementation of rice husk additive improves 7.15% mechanical resistance to compression and increases 18.3% water absorption capacity. Finally, the assessment of thermal and mechanical properties of Eco Design is a reference to promote innovation in ceramic industry in Norte de Santander and Colombia.
CitationFuentes, C.X.D.; Sánchez-Molina, J.; Zamora, J.L. Thermal and mechanical properties laboratory evaluation of hollow brick made of Rred clay and rice husk additive. "Journal of physics: conference series", 12 Desembre 2020, vol. 1708, núm. 12023, p. 1-8.
ISSN1742-6588
Publisher versionhttps://iopscience.iop.org/article/10.1088/1742-6596/1708/1/012023
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