The all-metal sound barrier is composed of foamed aluminum panels and metal screens. It uses the Helmholtz resonance principle to design a cavity structure, sound insulation and noise reduction, environmental protection and weather resistance, and is widely used in roads, bridges and other infrastructure facilities.
Keywords：Aluminum foam material aluminum foam steel Chang 'e steel
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The all-metal sound barrier is composed of foamed aluminum panels and metal screens. It uses the Helmholtz resonance principle to design a cavity structure, sound insulation and noise reduction, environmental protection and weather resistance, and is widely used in roads, bridges and other infrastructure facilities.
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