DD CEN ISO/TS 14253-4:2010 Geometrical product specifications (GPS). Inspection by measurement of workpieces and measuring equipment. Background on functional limits and specification limits in decision rules
DD CEN ISO/TS 14253-4 is a Technical Specification which describes a method for determining the skid resistance of the pavement surface of a road or airfield.
This method defines a process for comparing the friction results from a number of devices. By combining together the friction and texture from individual measuring devices, it allows skid resistance determined by different dynamic methods to be expressed on a common scale, namely the Skid Resistance Index (SRI). As its precision has not been determined, the method should not be used in specifications for surface materials.
DD CEN ISO/TS 14253-4 excludes surfaces when they are in winter road condition. It also excludes road marking surfaces.
Contents of DD CEN ISO/TS 14253-4:
Foreword Introduction 1 Scope 2 Normative references 3 Symbols, terms and definitions 3.1 Symbols 3.2 Terms and definitions 4 Safety 5 Measurement procedure 5.1 Friction measurement 5.2 Macrotexture measurement 5.3 Measurement location 5.4 Time interval between friction and macrotexture measurements 6 Determination of the Skid Resistance Index (SRI) 6.1 General 6.2 Calculations 6.3 Device-specific parameters ...