Research of the Average Sound Absorption Coefficient of Rooms for Correcting the Methodology of Determining the Magnitude of Transport Noise Insulation

Number of journal: 6-2023
Autors:

Rogalev A.M.,
Gradova O.V.,
Kryshov S.I.

DOI: https://doi.org/10.31659/0044-4472-2023-6-23-27
УДК: 534.836.2

 

AbstractAbout AuthorsReferences
The results of studies of the diffuse sound absorption coefficient of residential premises of apartments are presented. The tests were carried out in natural conditions in the premises of residential buildings in the city of Moscow according to the methodology of GOST R ISO 3382-2–2013 «Acoustics. Measurement of acoustic parameters of premises. Part 2. Reverberation time of ordinary rooms». Based on the test results, the values of the average sound absorption coefficient of residential premises of apartments in various conditions were obtained. A significant effect on the noise attenuation time of the degree of filling the premises with furniture and the presence of suspended ceilings was revealed. Based on the obtained statistics of the reverberation time of the premises with reference to their geometric parameters, the average values of the sound absorption coefficient of the premises were calculated. As a result of the analysis of the intermediate results of field tests of the sound-absorbing characteristics of the premises, the dependence of the average sound absorption coefficient of the premises on various factors was established, which will make it possible to compile a table of the values of the average sound absorption coefficient of the premises for calculating the designed sound insulation of transport noise. The results will be used in the preparation of amendments to regulatory technical documents, in particular, when adjusting the method for calculating traffic noise insulation, set out in SP 51.13330.2011 «Protection from noise. Updated version of SNiP 23-03–2003».
A.M. ROGALEV1,2, Engineer (This email address is being protected from spambots. You need JavaScript enabled to view it.);
O.V. GRADOVA1, Head of the «Acoustic Materials and Structures» Sector (This email address is being protected from spambots. You need JavaScript enabled to view it.);
S.I. KRYSHOV3, Candidate of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.)

1 Scientific-Research Institute of Building Physics of RAACS (21, Lokomotivniy Driveway, Moscow, 127238, Russian Federation)
2 Moscow Polytechnic University (38, B. Semenovskaya Street, Moscow, 107023, Russian Federation)
3 Center for Expertise, Research and Testing in Construction (GBU «TSEIIS») (13, Ryazanskiy Prospekt, Moscow, 109052, Russian Federation)

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For citation: Rogalev A.M., Gradova O.V., Kryshov S.I. Research of the average sound absorption coefficient of rooms for correcting the methodology of determining the magnitude of transport noise insulation. Zhilishchnoe Stroitel’stvo [Housing Construction]. 2023. No. 6, pp. 23–27. (In Russian).DOI: https://doi.org/10.31659/0044-4472-2023-6-23-27


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