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Será possível manter ou até melhorar as funcionalidades das barreiras de som, através da utilização de materiais biológicos na sua construção?
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This document presents the concept, design and development of a digital mock-up of Living Sound Barriers, an innovative and sustainable approach to mitigating urban noise pollution. The project centres on the integration of organic and renewable materials, in particular mycelium-based composites, into the structure of the sound barriers. Mycelium, a network similar to the root of a fungus, is exploited for its sound-absorbing properties and its ability to promote ecological benefits such as biodegradability and reducing the carbon footprint. The design process involved the development of a 3D digital model, providing a detailed visualisation of the barrier's structure. The barrier consists of a multi-layered system, incorporating a mycelium-based core and an outer mesh layer that supports vegetation growth. This design promotes a symbiotic relationship between noise reduction and environmental improvement through the retention of polluting gases, contributing to a more sustainable and green urbanism. Several samples were developed, followed by acoustic tests. Although the results of the sound performance tests were inconclusive due to methodological limitations, the project demonstrates the potential of combining biological materials with traditional acoustic engineering. Despite the challenges encountered in materials testing and acoustic evaluation, Living Sound Barriers propose a promising path towards sustainable urban infrastructure. The project concludes with a discussion of potential improvements in the development of the micocomposite, acoustic optimisation and applications, suggesting future research directions.
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Palavras-chave
Living Sound Barriers Economia circular Materiais biológicos Gases poluentes Desenvolvimento sustentável Design ecológico Design de transição