A GAMMA RAY DENSITY PROBE DESIGNED FOR FOUNDATION EXPLORATION IN LOESS. FIELD CALIBRATION

THE FIELD CALIBRATION OF A GAMMA PROBE DEVELOPED TO MEASURE THE DENSITY OF NEGEV LOESS IS DESCRIBED. THE FIELD CALIBRATION CURVE WAS OBTAINED IN DRILLED 5 INCH DIAMETER TEST HOLES, WITH COUNT RATIO MEASUREMENTS TAKEN AT DIFFERENT DEPTHS IN THE SAME HOLE. THE DENSITY WAS THEN DETERMINED AT EACH DEPTH BY SAND REPLACEMENT AND A CALIBRATION CURVE OBTAINED BY PLOTTING COUNT RATIO AS A FUNCTION OF DENSITY. THE REPRODUCIBILITY OF THE PROBE WAS FOUND TO BE 1% OF DENSITY. /RRL/

  • Supplemental Notes:
    • DepartmentaL REPT 108, 19 PP, 1 FIG, 8 TAB, 2 REF
  • Corporate Authors:

    Negev Inst for Arid Zone Res /Israel

    ,    
  • Authors:
    • Preiss, K
    • Lahat, A
  • Publication Date: 0

Subject/Index Terms

Filing Info

  • Accession Number: 00229463
  • Record Type: Publication
  • Source Agency: Road Research Laboratory /UK
  • Files: TRIS
  • Created Date: Sep 27 1971 12:00AM