A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Method for Friction Testing of Open Grated Steel Bridge Decks
The primary objective of this work was to develop a standard of determining the surface friction or skid resistance of open grated steel bridge decks. Standard methods of measuring pavement friction have been used for more than 40 years as means of judging the quality of pavement surfaces, as controls for new construction and as criteria for repair or reconstruction. The standardization of those methods led to the development of the American Society of Testing and Measurement (ASTM) Committee E17 on skid resistance in 1960. Since that time to the present, friction standards have been concerned primarily with roadway pavements such as concrete and asphaltic concrete. Hundreds of studies have been conducted on the measurement of the friction and texture of pavements with very few on other types of roadway surface. In 1965. ASTM adopted Committee E17's standard E-274, Standard Method of Test for Skid Resistance of Paved Surfaces Using a Full-Scale Tire, which remains the primary method for evaluating roadway pavements in the United States to the present time. The findings of this study showed that the E-274 test method, with an E-501 ribbed tire, produces friction values similar to those of a radial passenger car tire, E-1136, on either a paved surface or open grated steel bridge. Based on these results it was recommended to ASTM committee E17.21, during the December 2001 meeting, to include open grated steel bridges into ASTM Standard E-274, as a road surface that may be measured by this method, without modification, but with proper documentation as to the type of surface. It was also recommended that states be allowed to determine acceptable Friction Number values for the open grated steel bridge deck maintenance, just as they now do for pavements.
Method for Friction Testing of Open Grated Steel Bridge Decks
The primary objective of this work was to develop a standard of determining the surface friction or skid resistance of open grated steel bridge decks. Standard methods of measuring pavement friction have been used for more than 40 years as means of judging the quality of pavement surfaces, as controls for new construction and as criteria for repair or reconstruction. The standardization of those methods led to the development of the American Society of Testing and Measurement (ASTM) Committee E17 on skid resistance in 1960. Since that time to the present, friction standards have been concerned primarily with roadway pavements such as concrete and asphaltic concrete. Hundreds of studies have been conducted on the measurement of the friction and texture of pavements with very few on other types of roadway surface. In 1965. ASTM adopted Committee E17's standard E-274, Standard Method of Test for Skid Resistance of Paved Surfaces Using a Full-Scale Tire, which remains the primary method for evaluating roadway pavements in the United States to the present time. The findings of this study showed that the E-274 test method, with an E-501 ribbed tire, produces friction values similar to those of a radial passenger car tire, E-1136, on either a paved surface or open grated steel bridge. Based on these results it was recommended to ASTM committee E17.21, during the December 2001 meeting, to include open grated steel bridges into ASTM Standard E-274, as a road surface that may be measured by this method, without modification, but with proper documentation as to the type of surface. It was also recommended that states be allowed to determine acceptable Friction Number values for the open grated steel bridge deck maintenance, just as they now do for pavements.
Method for Friction Testing of Open Grated Steel Bridge Decks
R. A. Zimmer (author)
2002
38 pages
Report
No indication
English
Construction Equipment, Materials, & Supplies , Highway Engineering , Bridge decks , Friction tests , Reinforced steels , Surface properties , Coatings , Skid resistance , Pavements , Wear tests , Gradients , Texture , Road construction , Road maintenance , Vehicle stability , Steering , Asphalts , Concrete , Test methods
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