EVALUATION OF SOUTH CAROLINA AGGREGATE DURABILITY PROPERTIES

Traditionally, the Los Angeles abrasion and impact test and the sodium sulfate soundness test have been used by the South Carolina Department of Transportation to evaluate abrasion resistance/toughness and soundness of aggregate sources, respectively. Historical experience has indicated that neither of these two test procedures adequately predicts the field performance of the aggregates. Recent research studies have indicated that the micro-Deval abrasion test and the magnesium sulfate soundness test are better tests in assessing the properties of aggregates and show a good correlation with field performance of the aggregates. The objective of this research study was to conduct the micro-Deval abrasion test and the magnesium sulfate soundness test on 23 different sources of aggregates commonly used in South Carolina and correlate the results with those of the Los Angeles abrasion and impact test and the sodium sulfate soundness test. Also, the results from each of the tests were correlated to field performance of the aggregates. Based on this study, the micro-Deval abrasion test was shown to provide a better correlation with field performance than any of the other three tests. A micro-Deval loss value of 17% was found to be satisfactory in classifying "good" aggregates from those considered either "fair" or "poor" performing in the field. The magnesium sulfate soundness test did not appear to provide any better measure of aggregate soundness as compared with the sodium sulfate soundness test.

• Corporate Authors:

  Clemson University

  Department of Civil Engineering
  Clemson, SC  United States  29634

  South Carolina Department of Transportation

  Silas N. Pearman Building, 955 Park Street
  Columbia, SC  United States  29202

  Federal Highway Administration

  1200 New Jersey Avenue, SE
  Washington, DC  United States  20590
• Authors:
  • Rangaraju, P R
  • Edlinski, J
  • Amikhanian, S
• Publication Date: 2005-5-31

Language

• English

Media Info

• Features: Figures; Photos; References; Tables;
• Pagination: 57 p.

Subject/Index Terms

• TRT Terms: Abrasion tests; Aggregates; Correlation analysis; Durability; Performance; Soundness test; Test procedures
• Geographic Terms: South Carolina
• Subject Areas: Data and Information Technology; Geotechnology; Highways; I36: Aggregates;

Filing Info

• Accession Number: 00989200
• Record Type: Publication
• Report/Paper Numbers: FHWA-SC-05-01,, Final Report
• Contract Numbers: SPR 636
• Files: TRIS, USDOT, STATEDOT
• Created Date: Apr 12 2005 12:00AM