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LOCKED-WHEEL FRICTION TESTS ON WET PAVEMENTS

THE FRICTION COEFFICIENT BETWEEN A PAIR OF LOCKED AUTOMOTIVE TIRES (RUNNING IN THE NORMAL WHEEL TRACKS) AND A WET HIGHWAY SURFACE WAS DETERMINED IN AN ELABORATE TEST PROGRAM, USING A SPECIALLY CONSTRUCTED TEST TRAILER. THIS PROGRAM PROVIDED DATA FROM MORE THAN 400 TESTED SURFACES ALONG APPROXIMATELY 6,500 ROUTE MILES OF RURAL SECTIONS OF MAJOR TRANSCONTINENTAL ROUTES FOLLOWING THE NATIONAL SYSTEM OF INTERSTATE AND DEFENSE HIGHWAYS AS NEARLY AS POSSIBLE. THE DATA ARE TABULATED, AND CROSS-PLOTS HAVE BEEN MADE TO INDICATE THE EFFECTS OF AGE, WEAR (BASED ON AGE AND TRAFFIC VOLUME), SURFACE FINISH AND AGGREGATE COMPOSITION ON THE FRICTION COEFFICIENT EXHIBITED BY PORTLAND CEMENT CONCRETE ROADS. SUMMARIES ARE MADE ALSO FOR THE COMPARATIVE EFFECTS OF AGE AND WEAR ON THE FRICTION COEFFICIENTS OF PCC AND BITUMINOUS ASPHALT ROADS. /AUTHOR/

Record URL:
- http://onlinepubs.trb.org/Onlinepubs/hrbbulletin/302/302-002.pdf
Supplemental Notes:
- No 302, pp 18-34, 23 FIG, 3 TAB, 4 REF 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.
Authors:
- Close, William
Conference:
- 40th Annual Meeting of the Highway Research Board
- Location: Washington DC, United States
- Date: 1961-1-9 to 1961-1-13
Publication Date: 1961

Media Info

Media Type: Digital/other
Monograph Title: Skid testing 1961
Serial:
- Highway Research Board Bulletin
- Issue Number: 302
- Publisher: Highway Research Board

Subject/Index Terms

TRT Terms: Age; Bituminous aggregates; Friction tests; Graphics; Moisture content; Pavements; Portland cement concrete; Skid resistance; Skidding; Tires; Wear
Uncontrolled Terms: Graphical analysis; Wet conditions
Old TRIS Terms: Test results
Subject Areas: Highways; Pavements; Vehicles and Equipment;

Filing Info

Accession Number: 00206915
Record Type: Publication
Files: TRIS, TRB
Created Date: Aug 12 1994 12:00AM