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Pavimento flutuante com aglomerado de cortiça, de desempenho acústico optimizado
António P. O. Carvalho; Vitor C. M. Rocha; Francisco J. C. X. CarvalhoThis work presents the results of the development of agglomerated cork floating floors through the optimization of their acoustic performance, with the goal of improving sound insulation to structure borne noise. Percussion tests were performed in 26 floors in the reverberation room of FEUP, and with the support of the cork company SEDACOR. The results showed that the best acoustic performance is attained with ...
"Paint" with powdered cork with optimized acoustical behavior
Antonio P. O. Carvalho; Daniela J. D. Maio; Francisco J. C. X. CarvalhoThis paper presents the analysis of a new product ("paint") with the incorporation of powdered cork to optimize its acoustic performance. Tests were performed in a reverberation room to measure the variation on the sound absorption coefficient values of an existing standard aqueous paint by the introduction of different amounts of powdered cork and also to compare these results with a named "acoustic paint" alr...
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