Applied Chemical Engineering

Experimental studies of the acoustic and mechanical properties (compression) of materials made from industrial waste

Imad Rezakalla Antypas

Don State Technical University. Gagarin square 1, Rostov-on-Don 344000, Russian Federation

DOI: https://doi.org/10.59429/ace.v8i1.5583

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Abstract

Noise negatively impacts human health and the environment, making it a pressing issue in the context of industrial development and urbanization. The objectives of this research include the production of durable panels from waste materials with gypsum as the binder, the study of their acoustic properties and sound absorption coefficient compared to traditional materials, as well as the analysis of mechanical properties and resistance to compressive forces. To conduct acoustic and mechanical studies, 36 special samples in the form of panels were manufactured from a mixture of gypsum with rubber and cork waste in various combinations, with the addition of polymer material and maintaining a specific water-to-powder ratio. Acoustic properties were determined using a device operating on the principle of "transmitter-receiver," while mechanical properties were assessed through compression testing. The results showed that all samples containing rubber and cork waste had a sound absorption coefficient higher than 0.35, which increased with frequency and decreased with increasing material density. An increase in the proportion of waste contributed to greater porosity and, consequently, improved sound absorption. Mechanical testing of the samples under compression demonstrated that their failure limit was reached at loads of up to 15 kN. Comparison with benchmark studies confirmed the effectiveness of utilizing recycled materials.

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