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Title: ROAD SURFACE TEXTURE AND THE SLIPPERINESS OF WET ROADS
Accession Number: 00206745
Record Type: Component
Abstract: THE TEXTURE REQUIRED OF A ROAD SURFACE, SO THAT IT SHALL BE AS RESISTANT TO SKIDDING AS POSSIBLE, IS HARSH FOR LOW SPEEDS AND HARSH AND LARGE-SCALE FOR HIGH SPEEDS. THE FUNCTION OF THE TEXTURE IS TO ASSIST DRAINAGE OF THE WATER TO ACHIEVE DRY CONTACT AS QUICKLY AS POSSIBLE AND MAXIMUM DEFORMATION OF THE TIRE TREAD SURFACE BY THE ASPERITIES OF THE ROAD SURFACE. THIS IS ACHIEVED BY EASY (LARGE) FLOW CHANNELS AND BY SHARP (HARSH) ASPERITIES GENERATING HIGH PRESSURE. THESE CONCLUSIONS ARE ILLUSTRATED IN AN EXAMINATION OF HOW THE SKIDDING RESISTANCE OF ACTUAL SURFACES VARIES WITH SPEED, AND HOW RUBBER HYSTERESIS INCREASES FRICTION. AQUAPLANING IS ALSO CONSIDERED. HOW SUITABLE TEXTURES ARE BEING OBTAINED IN THE UNITED KINGDOM AND THE RESEARCHERS RELEVANT TO THIS SUBJECT BEING PLANNED OR IN PROGRESS AT THE ROAD RESEARCH LABORATORY ARE DISCUSSED. /AUTHOR/
Supplemental Notes: Paper sponsored by Committee on Surface-Vehicle Interaction, and presented at the 46th and 47th Annual Meeting of the Highway Research Board. Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved
Monograph Title: Monograph Accession #: 01410162
Authors: HARRIS, A JPagination: pp 18-23
Publication Date: 1968
Serial: Features: Figures
(7)
TRT Terms: Uncontrolled Terms: Old TRIS Terms: Subject Areas: Highways; Pavements
Files: TRIS, TRB
Created Date: Jul 22 1994 12:00AM
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