Abstract
This paper presents an experimental comparison of various multilayer frame-sheathing structures and describes the effect of their design features on their own sound insulation. The paper discusses the dependence of sound insulation on material and type of the frame, the amount and density of the filler, the number and type of facing layers, the presence of a damping layer and a divided base.
Highlights
The human environment acoustics affects the emotions and moods of people, and their health [1], designing the internal volumes of buildings and structures, it is extremely important to take into account the factors of the future comfortable stay of people inside them
It is especially important to take this into account when designing sound insulation for hotels, office premises, conference rooms, cinemas, etc.In this regard, the purpose of this comparison is an experimental study of the effect of the design features of frame-sheathing structures on their sound insulation: analysis of the effect of the physical and mechanical characteristics of the material, the type and shape of frame stud profiles, facings and fillers and the presence of perimeter damping on the sound insulation of frame-sheathing partitions
As we can see from fig. 5, with an increase in the number of facing sheets, the surface density of the structure increases, the efficiency of the structure increases according to the mass law [7], which is especially important for the sound insulation of low-frequency noise, where the increase in sound insulation in certain frequency bands reaches 8 – 10 dB
Summary
The human environment acoustics affects the emotions and moods of people, and their health [1], designing the internal volumes of buildings and structures, it is extremely important to take into account the factors of the future comfortable stay of people inside them. As shown by several studies [4, 5], the requirements for sound insulation of structures made of such materials are not always met. It is especially important to take this into account when designing sound insulation for hotels, office premises, conference rooms, cinemas, etc.In this regard, the purpose of this comparison is an experimental study of the effect of the design features of frame-sheathing structures on their sound insulation: analysis of the effect of the physical and mechanical characteristics of the material, the type and shape of frame stud profiles, facings and fillers and the presence of perimeter damping on the sound insulation of frame-sheathing partitions. The protocols of laboratory measurements of the own sound insulation of various multilayer frame-sheathing structures were used for comparison. Measurement methods” standard method [4]
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