How GRC performs?

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It is worth noting that this test was performed using frequencies from a highway where automobiles are traveling at much slower speeds than the speeds of high-speed trains. There are obvious advantages and disadvantages of using concrete as an acoustic barrier compared to the nearest competitors. Firstly, concrete will be able to withstand the wind and aerodynamic loading much better than, for example, timber. On the other hand, concrete acoustic barriers located on highways and...
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