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Noise reducing road surface construction with top layer of very open asphalt concrete, contains sound absorbing layer, preferably concrete grid or honeycomb structure
Noise reducing road surface construction with top layer of very open asphalt concrete, contains sound absorbing layer, preferably concrete grid or honeycomb structure
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机译:具有非常开放的沥青混凝土顶层的降噪路面结构,具有吸音层,最好是混凝土网格或蜂窝结构
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摘要
A sound absorbing layer (3) is located beneath the top layer (1), either directly beneath it or a distance from it.
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