BS ISO 10844:2021

$167.15

Acoustics. Specification of test tracks for measuring sound emitted by road vehicles and their tyres

Published By	Publication Date	Number of Pages
BSI	2021	34

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Description

PDF Catalog

PDF Pages	PDF Title
2	National foreword
6	Foreword
7	Introduction
9	1 Scope 2 Normative references 3 Terms and definitions
10	3.2 Surface profile 3.3 Slope and step
11	4 Requirements of the test track 4.1 Size and geometry 4.1.1 Size
12	4.1.2 Slope and step
14	4.2 Surface properties 4.2.1 Irregularity 4.2.2 Sound absorption
15	4.2.3 Texture 4.3 Material properties of the drive lane
16	4.4 Conformity tests
17	4.5 Break-in of the test track 4.6 Stability with time and maintenance
18	5 Measurement methods and data processing 5.1 Measurement points 5.1.1 Drive lane 5.1.2 Propagation area
19	5.2 Irregularity measurement method
20	5.3 Texture measurement methods 5.3.1 Texture profile measurement and MPD calculations 5.3.2 Texture skewness and shape factor (g-factor) calculations (optional) 5.3.3 Texture spectrum calculations (optional)
21	5.4 Sound absorption measurement method 5.5 Slope and step measurement methods 5.5.1 Gradient measurement 5.5.2 Cross fall measurement
22	5.5.3 Step measurement 5.6 Aggregate grading measurement method
23	5.7 Bitumen modification elastic material measurement method 5.8 Surface course thickness measurement method 6 Conformity report
25	7 Summary of improvements on the 2014 edition
26	Annex A (informative) Maintenance and stability of acoustic performance of test surface over time
27	Annex B (informative) Method of calculation of shape factor (g-factor)
31	Annex C (informative) Improvements to this version compared to ISO 10844:2014
32	Bibliography

Additional information

Status	Definitive
Pages	34
Publication Date	2021-12-21
ISBN	978 0 539 12862 8
Standard Number	BS ISO 10844:2021
Title	Acoustics. Specification of test tracks for measuring sound emitted by road vehicles and their tyres
Identical National Standard Of	ISO 10844:2021
Replaces	BS ISO 10844:2014
Descriptors	Holes, Surfaces, Traffic, Depth, Stability, Acoustic measurement, Road surfacing, Design, Acoustics, Maintenance, Surface-roughness measurement, Surface texture, Roads, Testing conditions, Test equipment, Noise (environmental), Documents, Pavements (roads), Acoustic absorption, Road vehicles
Publisher	BSI
Committee	EH/1/2
ICS Codes	43.020 - Road vehicles in general

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BS ISO 10844:2021

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