REPORT OF SUBCOMMITTEE ON MOTOR TRUCK IMPACT STUDIES, BUREAU OF PUBLIC ROADS INVESTIGATION

THE UNCERTAINTY OF THE PROPER STRESS ALLOWANCE FOR IMPACT LOADING HAS IMPELLED A LARGE AMOUNT OF RESEARCH WORK FROM WHICH MANY IMPORTANT FACTS HAVE BEEN DETERMINED. MOTOR TRUCK OPERATIONS ON HIGHWAYS INVOLVE FOUR FACTORS WHOSE VARIATIONS EXERT MAJOR INFLUENCES ON THE VERTICAL REACTIONS BETWEEN THE TRUCK WHEEL AND THE ROAD SURFACE. WHEN PNEUMATIC TIRES ARE USED THE IMPACT PRESSURE SELDOM EXCEEDS TWICE THAT OF THE STATIC WHEEL LOAD, WHEREAS FOR THE SOLID TIRES, THE IMPACT MAY BE FIVE OR SIX TIMES THE STATIC WHEEL LOAD PRESSURE.

• Record URL:
  https://onlinepubs.trb.org/Onlinepubs/hrbproceedings/7/7-011.pdf
• Supplemental Notes:
  • Vol 7, Part I, PP 91-97, 9 REF; part of Report of Committee on Structural Design of Roads. 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:
  • BUCHANAN, J A
  • Smith, E B
• Publication Date: 1928

Media Info

• Media Type: Digital/other
• Monograph Title: Proceedings of the Seventh Annual Meeting of the Highway Research Board Held at Washington, D.C. December 1-2, 1927. Part I: Reports of Research Committees and of Special Investigations and Papers
• Serial:
  • Highway Research Board Proceedings
  • Volume: 7
  • Publisher: Highway Research Board

Subject/Index Terms

• TRT Terms: Highway design; Impacts; Loads; Speed; Stresses; Tires; Trucks; Wheel loads
• Uncontrolled Terms: Loading
• Subject Areas: Highways; Motor Carriers; Pavements; Safety and Human Factors; Vehicles and Equipment;

Filing Info

• Accession Number: 00205808
• Record Type: Publication
• Files: TRIS, TRB
• Created Date: Jul 25 1971 12:00AM