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Revista Cubana de Ciencias Forestales
On-line version ISSN 2310-3469
Abstract
BARACHO JR., Expedito et al. Use of lignocellulosic waste in the manufacture of wood-cement composites for non-structural construction purposes. Rev cubana ciencias forestales [online]. 2020, vol.8, n.2, pp. 220-230. Epub Aug 02, 2020. ISSN 2310-3469.
The aim of this study was to evaluate the main characteristics of the compounds produced with cement, sand and lignocellulosic waste for the production of wood-cement compounds. Residues of Bambusa vulgaris var. vulgaris (bamboo) and Manilkara sp. (maçaranduba) were used to determine compatibility with Portland cement CP IV-32. The physical-mechanical tests were carried out in the Forestry Technology laboratories, belonging to the Forestry Science Department, at the Federal Rural University of Pernambuco, and the Federal University of Espírito Santo, Brazil; based on the ABCP standard, 2002. The mixture used was 1: 0.05: 3: 0.4, respectively cement, lignocellulosic, sand and water. From the hydration temperatures obtained, it was possible to establish the possibility of using Portland cement CP IV-32 in the production of cement-wood-sand-water compounds. During the determination of the degree of compatibility of the cement with the bamboo and maçaranduba, the resistance to the compression presented the most evident results for the non-structural use of the obtained compounds. The non-destructive method of stress waves proved to be an excellent tool for determining the dynamic elastic modulus of cement-wood-sand-water compounds.
Keywords : Wood; Hydration; Compatibility; Strength; Application..