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  • BSI
    23/30468476 DC Draft BS EN 1793-5. Road traffic noise reducing devices. Test method for determining the acoustic performance - Part 5: Intrinsic characteristics. In situ values of sound reflection under direct sound field conditions
    Edition: 2023
    $44.66
    / user per year

Description of 23/30468476 DC 2023

This European Standard describes a test method for measuring a quantity representative of the intrinsic characteristics of sound reflection from road noise reducing devices: the reflection index. The test method is intended for the following applications: - determination of the intrinsic characteristics of sound reflection of noise reducing devices to be installed along roads, to be measured either on typical installations alongside roads or on a relevant sample section; - determination of the in situ intrinsic characteristics of sound reflection of noise reducing devices in actual use; - comparison of design specifications with actual performance data after the completion of the construction work; - verification of the long-term performance of noise reducing devices (with a repeated application of the method). The test method is not intended for the following applications: - determination of the intrinsic characteristics of sound reflection of noise reducing devices to be installed in reverberant conditions, e.g. inside tunnels or deep trenches. Results are expressed as a function of frequency, in one-third octave bands between 100 Hz and 5 kHz. If it is not possible to get valid measurements results over the whole frequency range indicated, the results shall be given in a restricted frequency range and the reasons of the restriction(s) shall be clearly reported.

Standard Number23/30468476 DC
TitleDraft BS EN 1793-5. Road traffic noise reducing devices. Test method for determining the acoustic performance - Part 5: Intrinsic characteristics. In situ values of sound reflection under direct sound field conditions
StatusDefinitive
Publication Date2023-08-24
Identical National Standard OfEN 1793-5
DescriptorsRoad vehicles, Reflection, Acoustic measurement, Noise control (acoustic), Acoustic absorption, Road transport, Noise control devices, Sound insulation, Airborne sound insulation
ICS17.140.30 Noise emitted by means of transport, 93.080.30 Road equipment and installations
CommitteeB/509/6
PublisherBSI
Pages74

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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