ISO 10844:2011
Acoustics — Specification of test tracks for measuring noise emitted by road vehicles and their tyres
ISO 10844:2011 specifies the essential characteristics of a test surface intended to be used for measuring vehicle and tyre/road noise emissions.
The surface design given in ISO 10844:2011: a) produces consistent levels of tyre/road sound emission under a wide range of operating conditions including those appropriate to vehicle sound testing; b) minimizes inter-site variation; c)provides minor absorption of the vehicle sound sources; d) is consistent with road-building practice.
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1 Scope
2 Normative references
3 Terms and definitions
4 Requirements of the test track
4.1 Size and geometry
4.1.1 Size
4.1.2 Geometry
4.2 Surface properties of the propagation area
4.3 Surface properties of the drive lane
4.4 Conformity tests
4.5 Homogeneity of surface properties
4.6 Stability with time and maintenance
4.7 Break-in of the test track
5 Measurement methods and data processing
5.1 Irregularity measurement methods
5.2 Texture measurements methods
5.2.1 Profile measurement
5.2.2 Texture profile data pre-processing
5.3 Acoustic absorption measurement method
6 Conformity report
7 Practices from different countries
8 Summary of improvements on the 1994 edition
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1 Scope
2 Normative references
3 Terms and definitions
4 Requirements of the test track
4.1 Size and geometry
4.1.1 Size
4.1.2 Geometry
4.2 Surface properties of the propagation area
4.3 Surface properties of the drive lane
4.4 Conformity tests
4.5 Homogeneity of surface properties
4.6 Stability with time and maintenance
4.7 Break-in of the test track
5 Measurement methods and data processing
5.1 Irregularity measurement methods
5.2 Texture measurements methods
5.2.1 Profile measurement
5.2.2 Texture profile data pre-processing
5.3 Acoustic absorption measurement method
6 Conformity report
7 Practices from different countries
8 Summary of improvements on the 1994 edition