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Skid Resistance of Bituminous Surfaces in Ohio
Statistical studies of skid number (SN) on the state highway system in Ohio reveal apparently systematic variations in distributions of SN among the twelve districts in the state. These variations appear to be significantly related to traffic and to geological characteristics of a given district. Regression calculations using traffic index, a function of ADT and age of the pavement surface in months, showed a high correlation with SN, although standard errors of estimate were too large to make the equations useful for predicting SN from traffic variables. Similar results were obtained by relating SN to physiographic features in the state. Pavement surface type (bituminous or pcc) and coarse aggregate type (limestone, gravel or slag) are significantly related to SN.
Skid Resistance of Bituminous Surfaces in Ohio
Statistical studies of skid number (SN) on the state highway system in Ohio reveal apparently systematic variations in distributions of SN among the twelve districts in the state. These variations appear to be significantly related to traffic and to geological characteristics of a given district. Regression calculations using traffic index, a function of ADT and age of the pavement surface in months, showed a high correlation with SN, although standard errors of estimate were too large to make the equations useful for predicting SN from traffic variables. Similar results were obtained by relating SN to physiographic features in the state. Pavement surface type (bituminous or pcc) and coarse aggregate type (limestone, gravel or slag) are significantly related to SN.
Skid Resistance of Bituminous Surfaces in Ohio
D. C. Colony (author)
1984
134 pages
Report
No indication
English
Skid Resistance of Bituminous Surfaces
NTIS | 1967
|Bituminous Materials and Skid Resistance
NTIS | 1979
|Bituminous materials and skid resistance
TIBKAT | 1979
|Non-skid bituminous treatments for road surfaces
Engineering Index Backfile | 1947
|