Análise estatística do comportamento mecânico à compressão do compósito cimento-madeira

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Abstract

The present work has the objective to propose the use of saw dust wood waste from the tropical wood industry mainly located at Belém, Pará State, for the fabrication of wood-cement composites. Due to the natural chemical incompatibility between wood and cement, this procedure results in a set retarding effect, with wood specie depending intensity. This by-effect can be overcome by using procedures such as additives, wood mineralization, accelerated carbonation and others. Analysis were made based on axial compression strength data with samples aged 28 days for mortars made with 2, 3.5 and 5% wood content in mass, using cements type CP I and CP II, with and without Calcium Clorets-based set accelerator additive. The data there from obtained was statistically analyzed to evaluate the influence of the wood content and of additives on the mechanical strength. Most of the research works developed so far make use of reforestation waste, very little being available about tropical wood waste. So, this work represents a pioneer effort in developing a cement-bonded wood composite with regionally available materials and residues from Belém, Pará State.

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Macêdo, A. N., de Lima, A. M., Fonseca, F. de O., & Lavôr, B. V. de A. (2011). Análise estatística do comportamento mecânico à compressão do compósito cimento-madeira. Revista Materia, 16(2), 658–667. https://doi.org/10.1590/S1517-70762011000200002

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