Please use this identifier to cite or link to this item: http://repositorio.ufla.br/jspui/handle/1/39386
Title: Analysis of the coffee peel application over the soil-cement bricks properties
Other Titles: Análise da aplicação de casca de café nas propriedades de tijolos de solo-cimento
Keywords: Compressive strength
Thermal properties
Vegetable particles
Resistência à compressão
Propriedades térmicas
Partículas vegetais
Issue Date: 2019
Publisher: Universidade Federal de Lavras
Citation: CASTRO, E. D. de et al. Analysis of the coffee peel application over the soil-cement bricks properties. Coffee Science, Lavras, v. 14, n. 1, 2019.
Abstract: The development materials that use less polluting manufacturing techniques and can be manufactured from agricultural and / or industrial waste is an increasingly explored field of research. The objective of the present work was to study the effects of the coffee peel particles (Coffea arabica L.) incorporation in partial replacement of the cement, on the physical, mechanical and thermal properties of bricks, at different ages. For this purpose, soil was corrected with sand, Portland cement type CP II F-32 and coffee peel particles. After the initial percentage of cement in the mixture was defined as 10%, coffee peels were added in relation to cement, equal to 5%, 10%, 15% and 20%. The bricks were submitted to simple compression tests, at the ages of 14, 28 and 56 days, thermal insulation at 28 days. The increase in peel content caused increases in water absorption, and reduction of compressive strength and apparent specific dry mass. The interaction between the shell content and the age of the specimens was significant only for the variable resistance to compression. The thermal conductivity found for the material showed its insulating potential, with values below those determined for ceramic bricks. In general, it can be concluded that the material produced did not fit in the normative requirements for soil-cement bricks, however, the mechanical characteristics found in there, indicate the possibility of use in rustic constructions, such as those ones made with adobe bricks.
URI: http://www.coffeescience.ufla.br/index.php/Coffeescience/article/view/1503
http://repositorio.ufla.br/jspui/handle/1/39386
Appears in Collections:DAT - Artigos publicados em periódicos
DCF - Artigos publicados em periódicos
DEG - Artigos publicados em periódicos
DRH - Artigos publicados em periódicos

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