This document describes the test process of measuring the wear caused to the road surface by studded pneumatic tyres designed primarily, but not only vehicles in categories M1, N1, O1 and O2.
Tämän julkaisun valmistelusta Suomessa vastaa Kemesta ry, puh. 040 820 4888.
Sisällysluettelo
0 Introduction
1 Scope
2 Terms and definitions
3 Principle
4 General test conditions and requirements
4.1 Test track
4.2 Test vehicle
4.3 Test tyres
4.4 Required equipment’s
4.5 Atmospheric conditions
5 Preparation of test stones prior to road wear test
5.1 Test stone requirements
5.2 Stone numbering
5.3 Weighting process of the test and reference stones