Road traffic noise reducing devices - Procedures for assessing long term performance
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.
ΚΩΔΙΚΟΣ ΠΡΟΪΟΝΤΟΣ:
CYS EN 14389:2023
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.
