Hlavní stránka>21/30442075 DC BS EN 14389. Road traffic noise reducing devices. Procedures for assessing long term performance
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sklademVydáno: 2021-12-16
21/30442075 DC
BS EN 14389. Road traffic noise reducing devices. Procedures for assessing long term performance
Měna
Označení normy:
21/30442075 DC
Počet stran:
16
Vydáno:
2021-12-16
Status:
Draft for Comment
Popis
21/30442075 DC
This standard 21/30442075 DC BS EN 14389. Road traffic noise reducing devices. Procedures for assessing long term performance is classified in these ICS categories:
93.080.30 Road equipment and installations
17.140.30 Noise emitted by means of transport
This document specifies a method for evaluating the working life of Noise Reducing Devices used alongside roads according to the relevant exposure conditions. It also specifies a method for determining the acoustic characteristic at the end of the working life.
