The purpose of the research was to determine the relationships between skid numbers and small-scale textures combined with macrotexture parameters. The results of this research stress the importance to driver safety of the microtextures and the small-scale macrotextures of aggregate particles exposed on pavement surfaces. These textures together with the macrotextures as measured by the Profilograph and the distribution of the aggregate size have a decided influence on the skid number measured by a locked-wheel trailer and hence on driver control. The results also show that low values of macrotextures are indicative of poor drainage from the tire-pavement interface. Low values of void areas result in large reductions in skid numbers as the skidding speed increases. (Author)
Effects of Pavement Surface Characteristics and Textures on Skid Resistance
1971
46 pages
Report
Keine Angabe
Englisch
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