What are concrete noise barriers made of?

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(Top Tutor) Studyfaq Tutor
Concrete noise barriers can either be manufactured as absorptive or reflective barriers and are made of wood fiber concrete material. They are normally relatively heavy, ranging from 100-300kg/m², especially compared to timber and plastic barriers. However, this is important as they will not degrade as quickly when large wind and aerodynamic loads are applied. They also have a life cycle of over 30 years and require no maintenance. A concrete noise barrier usually consists of...
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