Study of Factors Influencing Sound Insulation Existing Fences with Additional Sound Insulation at the Site Using Layered Vibration-Damped Elements

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Abstract

The results of experimental studies of the sound insulating qualities of fences with flexible slabs on the side, made in reverberation rooms, are presented, and an analysis of the influence of some parameters on their sound insulation is given. It has been shown that the installation of flexible slabs is most rational when the airborne noise insulation index of the main structure is in the range of 40–45 dB. At higher indices, the effectiveness of additional sound insulation decreases.

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About the authors

N. A. Kochkin

Vologda State University

Author for correspondence.
Email: vol.nikit@inbox.ru

Candidate of Sciences (Engineering) 

Russian Federation, Vologda

A. V. Ivanova

Vologda State University

Email: kiriatkovaav@vogu35.ru

Candidate of Sciences (Engineering)

Russian Federation, Vologda

I. L. Shubin

Scientific-Research Institute of Building Physics of RAACS

Email: niisf@niisf.ru

Doctor of Sciences (Engineering), Correspondent Мember of RAACS, Director

Russian Federation, Moscow

A. A. Kochkin

Vologda State University

Email: aakochkin@mail.ru

Doctor of Sciences (Engineering)

Russian Federation, Vologda

References

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