ISO INTERNATIONAL STANDARD 13473-1 Second edition 2019-02 Characterization of pavement texture by use of surface profiles Part 1: Determination of mean profile depth Caractérisation de la texture d'un revetement de chaussée a partir de relevés de profils de la surface - Partie 1: Détermination de la profondeur moyenne du profil Reference number ISO 13473-1:2019(E) osi @ IS0 2019 IS0 13473-1:2019(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2019 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either IsO at the address below or Iso's member body in the country of the requester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Fax: +41 22 749 09 47 Email: copyright@iso.org Website: www.iso.org Published in Switzerland ii @ IS0 2019 - All rights reserved IS0 13473-1:2019(E) Contents Page Foreword ..V Introduction. ..vi 1 Scope. ..1 2 Normative references 3 Terms and definitions ..2 4 Testsurfaces ..4 4.1 Condition of the surface 4 4.2 Amount of data to be collected per field test section ..4 4.2.1 Continuous measurements. .4 4.2.2 Spot measurements. .5 4.3 Amount of data to be collected on laboratory samples .5 5 Measurement instruments .5 5.1 Instruments in general .5 5.2 Vertical resolution 6 5.3 Horizontal resolution .6 5.4 Measurement speed. .6 5.5 Alignment of sensor. ..7 5.6 Bandwidth of sensor and recording system .7 5.7 Performance check. .8 5.8 Indication of invalid readings (drop-outs) .8 5.9 Sensitivity to vibrations ..8 6 Measurement procedure. .8 6.1 Performance checks. ..8 6.2 Measurements. .8 6.3 Continuous or spot measurements 7 Data processing procedure. .9 7.1 General 9 7.2 Summary of data processing steps ..9 7.3 Drop-outcorrectionandinterpolation 10 7.4 Resamplingtoacertainspatialresolution ..11 7.5 Spike identification and reshaping the profile .11 7.6 Removal of long-wavelength components and normalization of profile sharpness. .11 7.7 Segment limiting.. .12 7.8 Peak and MSD determination. 12 7.9 Extreme MSD value removal (optional) ..12 7.10 Averaging of MSD to determine the MPD .12 7.11 Calculation of ETD (optional). ..12 8 Measurement uncertainty assessment according to Iso/IEc Guide 98-3 ..13 9 Safety considerations ..15 10 Test report ..15 Annex A (informative) Texture ranges. ..17 Annex B (informative) Problems experienced on special surfaces ..20 Annex C (informative) Procedure for sampling of mean segment depth values by spot measurements ..22 Annex D (normative) Data quality-enhancing procedures ..25 Annex E (normative) Spike removal procedure ..29 Annex F (informative) Measurement uncertainty. ..32 @ IS0 2019 - All rights reserved iii