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Revista Brasileira de Engenharia Agrícola e Ambiental

Print version ISSN 1415-4366


ARRUDA FILHO, Nivaldo T. de et al. Mechanical resistence of lightweight cement composites utilizing industrial residues and fibers of sisal. Rev. bras. eng. agríc. ambient. [online]. 2012, vol.16, n.8, pp.894-902. ISSN 1415-4366.

The appreciation of alternative materials incorporated in waste as an option to conventional material should enable to generate a product with quality, aesthetics, productivity and reduce the potential impacts of environmental pollution. This study aims to develop constructive elements for ceilings and walls from cementitious matrix incorporating industrial waste (ceramic waste, ethyl vinyl acetate - EVA) and sisal fibers. Moulding techniques to produce self-compacting cementitious matrices were developed and the strength of the new composites were evaluated. A plate with EVA waste was produced and through rheology studies, a matrix plaster for coating of plate surface was found, with appropriate content of pozzolanic and superplasticizer additions. The mechanical resistance of the plates, the pulp coating matrix, with and without added fiber and the new composite formed by the union of these two elements was assessed. The technique of fiber alignment with the aim of increasing resistance of the new lightweight composite was used. The addition of the matrix with aligned fibers improved the flexural strength of the new composite.

Keywords : construction elements; bending; rheology; sisal fibers and industrial waste.

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