PRECISION OF THE RELATIVE COMPACTION TEST USING NUCLEAR GAGES

Precision statements for the relative compaction test under varying conditions are given. The precision of the in situ density determination is based on application of Test Method No. Calif. 231-F using nuclear gages and a sampling technique called the area concept. Maximum wet density precision is based on ASTM-D1557-70. A model for nuclear gage repeatability is established and the adequacy of current calibration procedures is evaluated. The precision of ASTM-D1557-70 using California operators is reported. A number of pertinent variance components are isolated with respect to the overall relative compaction variance. Also, the variation of density determinations within a relatively uniform area is given for treated and untreated soils. Precision statements for a number of California concrete and aggregate test methods are also summarized.

• Supplemental Notes:
  • See also rept. dated Jun 75, PB-252 491.
• Corporate Authors:

  California Department of Transportation

  1120 N Street
  Sacramento, CA  United States  95814

  Federal Highway Administration

  1200 New Jersey Avenue, SE
  Washington, DC  United States  20590
• Authors:
  • Benson, P E
  • Kuhl, D J
• Publication Date: 1976-12

Media Info

• Pagination: 47 p.

Subject/Index Terms

• TRT Terms: Aggregates; Analysis of variance; Base course (Pavements); Calibration; Compaction; Concrete pavements; Correlation analysis; Density; Field tests; Precision; Sampling; Soil tests; Subgrade (Pavements)
• Uncontrolled Terms: Experimental design
• Subject Areas: Construction; Data and Information Technology; Geotechnology; Highways;

Filing Info

• Accession Number: 00159312
• Record Type: Publication
• Source Agency: National Technical Information Service
• Report/Paper Numbers: 631153, FHWA/CA-76/1153
• Files: NTIS, USDOT, STATEDOT
• Created Date: Aug 31 2002 12:00AM