Abstract

This document describes the methods that are available to perform a spectral analysis of a pavement surface profile. It specifies a method for performing spatial frequency analysis (or texture wavelength analysis) of two-dimensional surface profiles that describe the pavement texture amplitude as a function of the distance along a straight or curved trajectory over the pavement. It also details an alternative (non-preferred) method to obtain these spectra: a) constant-percentage bandwidth obtained by digital filtering (normative method); b) constant narrow bandwidth frequency analysis by means of discrete Fourier transform (DFT), followed by a transformation of the narrow-band spectrum to an octave- or one-third-octave-band spectrum (informative). The result of the frequency analysis will be a spatial frequency (or texture wavelength) spectrum in constant-percentage bandwidth bands of octave or one-third-octave bandwidth. The objective of this document is to standardize the spectral characterization of pavement surface profiles. This objective is pursued by providing a detailed description of the analysis methods and related requirements for those who are involved in pavement characterization but are not familiar with general principles of frequency analysis of random signals.

Begin

2024-09-16

Planned document number

DIN ISO 13473-4

Project number

00101180

Responsible national committee

NA 001-01-05 AA - Measurement of sound exposition on road vehicles, including measurements inside the passenger compartment and at the workplace  

Responsible international committee

ISO/TC 43/SC 1/WG 39 - Characterization of pavement texture using surface profiles  

previous edition(s)

Characterization of pavement texture by use of surface profiles - Part 4: Spectral analysis of surface profiles (ISO/TS 13473-4:2008)
2009-02

Order from DIN Media