Revised ISO 10844 Test Surface: Technical Principles

Paper #:
  • 2011-01-1607

Published:
  • 2011-05-17
Citation:
Moore, D., "Revised ISO 10844 Test Surface: Technical Principles," SAE Int. J. Passeng. Cars – Mech. Syst. 4(2):1126-1131, 2011, https://doi.org/10.4271/2011-01-1607.
Author(s):
Affiliated:
Pages:
6
Abstract:
ISO has revised the 10844 International Standard for test surfaces used in measurement of exterior vehicle and tire noise emission. The revision has a goal to reduce the track to track sound level variation presently observed by 50%, without changing the mean value. ISO has incorporated improved texture measurement procedures, improved acoustic absorption measurement procedures, and has added measurement procedures for track roughness. In addition, specifications for texture, absorption, roughness, planarity, and asphalt mix were revised or added to recognize improved technical methods and to achieve the goal of variation reduction. The specification development was supported by a construction program where four candidate ISO 10844 tracks were constructed in Japan, France, and the US to verify the technical principles and to validate construction process capability. This paper will address the technical changes and reasons for these changes in the revised ISO 10844.
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