THE CONSTANT DRY WEIGHT METHOD -- A NO-WEIGHING FIELD COMPACTION TEST

THE SEARCH FOR A QUICKER METHOD OF MEASURING COMPACTION IN THE FIELD CONTINUES. THE BEST KNOWN, AND MOST DISCUSSED TODAY, IS THE NUCLEAR METHOD, BUT COMPACTION CONTROL IS STILL ALMOST SOLELY BASED ON THE FIELD MEASUREMENT OF DENSITY, WHICH IS GENERALLY OBTAINED BY MEANS OF THE SAND CONE OR RUBBER BALLOON TEST. THE CONSTANT DRY WEIGHT FIELD COMPACTION TEST DESCRIBED IS A FIELD ADAPTION OF THE PROCTOR TEST (ASTM DESIGNATION D698-58T). IN THE TEST METHOD REPORTED, THE PERCENT COMPACTION IS ASCERTAINED BY COMPARING THE IN SITU VOLUME OF A SOIL SAMPLE WITH THE VOLUME OF THE SAME SAMPLE IN THE PROCTOR MOULD, AFTER STANDARD COMPACTION AT APPROXIMATELY OPTIMUM MOISTURE CONTENT. THE ACCURACY AND PRECISION OF THE RESULTS OBTAINED FROM THE CONSTANT DRY WEIGHT COMPACTION TESTS ARE ANALYZED AND ITS ROLE IN STATISTICAL QUALITY IS EVALUATED. THE USE OF THIS TEST METHOD TO SUPPLEMENT NUCLEAR PROBE TESTING IN THE DETERMINATION OF PERCENT COMPACTION IS ALSO DISCUSSED. /AUTHOR/

• Supplemental Notes:
  • Dho Rept No RR141, 20 PP
• Corporate Authors:

  Ontario Department of Highways

  1201 Wilson Avenue
  Toronto, Ontario M3M 1J8,   Canada 
• Authors:
  • Schonfeld, R
• Publication Date: 1968-9

Subject/Index Terms

• TRT Terms: Compaction; Density; Field tests; Measurement; Nuclear tests; Soil compaction test; Statistical quality control; Test procedures; Weight
• Uncontrolled Terms: Proctor compaction test
• Old TRIS Terms: Compaction tests; Density measurement; Dry weight; Nuclear testing; Percent compaction
• Subject Areas: Geotechnology; Highways; Materials;

Filing Info

• Accession Number: 00216730
• Record Type: Publication
• Files: TRIS
• Created Date: Jun 23 1994 12:00AM