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Alonso, A.; Patricio, J; Suárez, R. (2019). On the efficiency of impact sound insulation systems on prefabricated lightweight floor and on standard homogeneous base-floor.

REVISTA: Engineering Structures 191 (2019) 649–657.
IMPACTO: JCR (2018): 3.084 Engineering, Civil Q1 (22/132)
DOI: 10.1016/j.engstruct.2019.04.070

ABSTRACT:

Considering the impact noise as a major social issue in many countries, extensive work have been developed aimed at reducing the noise level in dwellings. Laboratory tests were carried out to investigate the acoustic performance of same constructive proposals, arranged to reduce the impact sound transmission. According to this study, acoustic performance of both types of floors differs significantly, with a difference of up to four times that of the effect of floating floor system on a homogeneous floor in some cases. The conclusions can help to determine the proposal of best suitable constructive solutions in accordance with legal regulations.

Keywords:

Impact sound insulation; Acoustic regulations; Homogeneous floors; Lightweight floors; Floating floors; Dynamic stiffness.