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Standard
ISO 13473-4
First edition
Characterization of pavement
2024-04
texture by use of surface profiles —
Part 4:
One third octave band spectral
analysis of surface profiles
Caractérisation de la texture d'un revêtement de chaussée à
partir de relevés de profils de la surface —
Partie 4: Analyse spectrale par bande d'un tiers d'octave des
profils de la surface
Reference number
ISO 13473-4:2024(en) © ISO 2024
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ISO 13473-4:2024(en)
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Published in Switzerland
© ISO 2024 – All rights reserved
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ISO 13473-4:2024(en)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 2
4 Symbols and abbreviated terms. 4
5 Basic outline of methodologies of spatial frequency analysis . 5
6 Sampling of surface profiles . 7
6.1 Requirements concerning profilometers and data preparations .7
6.2 Sampling of road sections .7
6.3 Measurement of laboratory samples .7
6.4 Texture profile levels (logarithmic scale) .8
6.5 Anti-aliasing filtering .8
6.6 Drop-out correction and interpolation .8
6.7 Resampling to a constant spatial resolution .10
6.8 Spike identification and reshaping the profile .10
7 Spectral analysis in constant-percentage bandwidth bands (octave- or one-third-octave
bands) by digital filtering . 10
8 Uncertainty of analysis results.
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