Railway applications. Track. Noise barriers and related devices acting on airborne sound propagation. Procedures for assessing long term performance. Non-acoustic characteristics— 18 стр.
Classification of environmental conditions. Classification of groups of environmental parameters and their severities, Stationary use at non-weatherprotected locations— 30 стр.
Railway applications. Track. Noise barriers and related devices acting on airborne sound propagation. Non-acoustic performance. General safety and environmental requirements— 26 стр.
Railway applications. Track. Noise barriers and related devices acting on airborne sound propagation. Test method for determining the acoustic performance. Normalized railway noise spectrum and single number ratings for direct field applications— 18 стр.
Railway applications. Track. Noise barriers and related devices acting on airborne sound propagation. Test method for determining the acoustic performance. Normalized railway noise spectrum and single number ratings for diffuse field applications— 12 стр.
