Use of Separated Dust from the Formatting and Grinding Cement-Bonded Chipboards to Modify their Composition

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The article presents results of the research focused on suitability assessment of separated dust from formatting and grinding of cement-bonded chipboards to modify their composition. The attention was paid to dust treatment, i.e. milling and sorting. The dust was applied to chipboards in amounts of 5 and 10%. Formulas with water-cement ratio 0.60 and 0.65 were prepared. The influence of sorted dust was subsequently evaluated using setting of selected material properties. In particular the bending strength and tensile strength perpendicular to plate plane were monitored including the influence of frost on these characteristics.

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225-228

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August 2015

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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