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DIN CEN/TS 15901-5 DIN SPEC 1145:2010-03

DIN CEN/TS 15901-5 DIN SPEC 1145:2010-03

Road and airfield surface characteristics - Part 5: Procedure for determining the skid resistance of a pavement surface using a device with longitudinal controlled slip (LFCRDK): ROAR (Road Analyser and Recorder of Norsemeter); German version CEN/TS 15901-5:2009

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Details

This Technical Specification describes a method for determining the skid resistance of a surface by measurement of the longitudinal friction coefficient LFCN. The method provides a measure of the wet skid resistance properties of a bound surface by measurement of the longitudinal friction coefficient using a continuous reading braked wheel fixed-slip device. The test tyre is dragged over a pre-wetted pavement under controlled speed conditions while the test tyre is parallel to the direction of motion and perpendicular to the pavement. This Technical Specification covers the operation of the Road Analyser and Recorder of Norsemeter (ROAR). The fixed slip ratio is 20 %. A machine conforming to the general characteristics of the ROAR and the specific provisions of this Technical Specification may also be used for the tests. In addition to friction measurements, to determine the macro texture of the pavement surface a laser system is used. This system is placed in front of the towing vehicle in order to measure the macro texture (mean profile depth - MPD) on dry pavements and on the same path as the skid resistance measurement is done. The standard for this measurement and the device is described in EN ISO 13473-1. The skid resistance of a pavement is determined by friction measurements and measurements of pavement texture. The skid resistance may be reported either as friction measurement or as a combination of friction and texture measurements.

Additional Info

Author DIN
Published by DIN
Document type Standard
Format File
ICS 93.080.20 : Road construction materials
93.120 : Construction of airports
Number of pages 15
Cross references CEN/TS 15901-5 (2009-11), IDT
Set MYSTD-20STD
Year 2010
Document history
Country Germany
Keyword DIN CEN/TS 15901;15901;DIN SPEC 1145

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