REPORT OF COMMITTEE ON MAINTENANCE

LIGHT ASPHALTIC OILS ARE USED AS A DUST PALLIATIVE TO A LIMITED EXTENT AND ARE EFFECTIVE FOR SIX WEEKS TO ONE SEASON. TWO OR THREE APPLICATIONS OF CALCIUM CHLORIDE ARE EFFECTIVE FOR ONE SEASON, AND A CUMULATIVE EFFECT IS NOTED AFTER TWO OR THREE YEARS OF TREATMENT. BITUMINOUS MATS ARE MAINTAINED ON GRAVEL BY USING BOTH HOT AND COLD APPLICATIONS TWO TREATMENTS IN THREE YEARS OR THREE TREATMENTS IN FOUR YEARS ARE NECESSARY. LACK OF UNIFORMITY OF SPECIFICATIONS OF VARIOUS RATES IS SHOWN. THE STANDARD PENETRATION OF ASPHALTS RANGES FROM 35 TO 250. PATENTED CRACK FILLERS HAVE IN GENERAL, PROVED UNSATISFACTORY. A COMPLETE REPORT FOR THE WINTER OF 1924-25 SHOWS THAT 48,000 MILES OF ROAD WERE INCLUDED IN THE SNOW REMOVAL PROGRAM OF 35 STATES. NINE STATES INCLUDE THEIR ENTIRE ROAD SYSTEM IN THE SNOW REMOVAL PROGRAM. THE COST OF SNOW REMOVAL IS GREATLY DIMINISHED BY PROPER ATTENTION TO DRIFT PREVENTION. FOUR REQUIREMENTS OF ORGANIZATIONS ARE: (1) AN EFFICIENT ORGANIZATION, (2) A DEFINITE PROGRAM, (3) SUITABLE AND READY EQUIPMENT, (4) A PLAN OF ACTION THAT WILL START WITH THE STORM AND CONTINUE UNTIL THE ROADS ARE OPEN. UNIFORM SIGNS AND A COMPREHENSIVE NATIONWIDE NUMBER SYSTEM HAVE BEEN ADOPTED BY THE COMMITTEE ON SIGNS, AND ARE RAPIDLY BEING PUT INTO EFFECT BY VARIOUS STATES. PROGRESS IS SHOWN IN THE USE OF STANDARIZED METHODS OF ACCOUNTING. OF TWENTY STATES REPORTING, EIGHT ARE NOW USING THE AMERICAN ASSOCIATION STANDARD RECOMMENDATIONS, THREE A MODIFICATION OF THIS SYSTEM, THREE FAVOR IT BUT ARE NOT USING IT, AND SIX REPORT INDIVIDUAL SYSTEMS. PAVEMENT AGE HAS A DEFINITE EFFECT ON MAINTENANCE COSTS. MAINTENANCE RECORDS SINCE 1888 ON ASPHALT PAVEMENTS IN COLUMBUS, OHIO, SHOW REPAIR COSTS TO INCREASE SOMEWHAT UNIFORMLY WITH THE AGE OF PAVEMENTS. AT THE CRITICAL PERIOD, THE TENTH OR THIRTEENTH YEAR, THERE IS A MARKED INCREASE IN MAINTENANCE COST, REACHING A MAXIMUM AVERAGE OF ONE CENT PER SQUARE YARD. THE REPORT ALSO DISCUSSES COVERINGS OF DISINTEGRATED CONCRETE ROADS, AND THE METHODS AND EFFECTS OF BITUMINOUS TREATMENTS OF EARTH, SAND-CLAY AND TOP-SOIL ROADS.

  • Authors:
    • Root, W H
  • Publication Date: 1926

Media Info

  • Features: Figures;
  • Pagination: p. 242-262
  • Monograph Title: Proceedings of the Fifth Annual Meeting of the Highway Research Board Held at Washington, D.C. December 3-4, 1925. Part I: Reports of Research Committees and of Special Investigations
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00218605
  • Record Type: Publication
  • Files: TRIS, TRB
  • Created Date: Nov 9 1970 12:00AM