REPORT OF COMMITTEE ON CLASSIFICATION OF MATERIALS FOR SUBGRADES AND GRANULAR TYPE ROADS

THREE METHODS FOR THE CLASSIFICATION OF SUBGRADE MATERIALS FOR HIGHWAYS AND AIRFIELDS ARE COVERED. THE CLASSIFICATION IS BASED ON THE SIEVE ANALYSIS, THE LIQUID LIMIT AND THE PLASTICITY INDEX. IN THE "SOIL CLASSIFICATION FOR AIRFIELDS," UTILIZED BY THE CORPS OF ENGINEERS, U.S. ARMY, THE MATERIALS ARE DIVIDED INTO TWO PRINCIPAL TYPES: FINE AND COARSE-GRAINED SOILS. GENERAL CHARACTERISTICS WHICH ARE OF IMPORTANCE IN RELATION TO THE BEHAVIOR OF SOILS AS SUBGRADE OR BASE COURSE MATERIALS ARE PRESENTED IN CLASSIFICATION CHARTS. THE CLASSIFICATION PRESENTED BY THE CIVIL AERONAUTICS ADMINISTRATION IS BASED ON THE MECHANICAL ANALYSIS, PLASTICITY CHARACTERISTICS, EXPANSIVE QUALITIES AND CALIFORNIA BEARING RATIO OF THE SOILS. /AUTHOR/

  • Supplemental Notes:
    • Vol 25, P 375
  • Authors:
    • Allen, H
  • Publication Date: 1946

Media Info

  • Monograph Title: Proceedings of the Twenty-Fifth Annual Meeting Held at Skirvin Hotel, Oklahoma City, Oklahoma, January 25-28, 1946
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00229981
  • Record Type: Publication
  • Files: TRIS, TRB
  • Created Date: Jun 22 1971 12:00AM