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Información tecnológica

versão On-line ISSN 0718-0764

Resumo

DEL REY, Romina; ALBA, Jesús; RAMIS, Jaime  e  ESCUDER, Eva. Application of the Finite Elements Method for the Simulation of Flanking Transmissions in Joints with Floating Floors. Inf. tecnol. [online]. 2010, vol.21, n.6, pp.67-78. ISSN 0718-0764.  http://dx.doi.org/10.4067/S0718-07642010000600009.

This paper presents the use of the finite elements method to study the flanking transmission through the use of the vibration reduction index, for the case of constructive solutions that use floating floors. On one side, the insertion of elastic interlayer in new building solutions is now a very common practice. On the other side, the test procedures for the acoustic study of this kind of sets (concrete floor with elastic interlayer) are very laborious and the existing empirical equations do not match reality in many cases. For this reason, the study of the problem using finite elements would allows giving numerical solution to a wide range of different constructive solutions and numerical prediction for the acoustical isolation could be improved.

Palavras-chave : flanking transmission; sound insulation; vibracional reduction index; acoustic prediction; finite elements.

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