FIELD MEASUREMENT OF WATER CONTENTS AND DENSITIES BY NUCLEAR METHODS IN CLAY DEPOSITS

In recent years, natural water content and density determinations have been conducted in the stiff clay deposits on Montreal's Island by means of nuclear depth probes. The probes are lowered down aluminum access tubes that are permanently inserted into the ground providing a means of measuring the volumetric water content and density of the soils surrounding each tube. Tubes have been inserted to a maximum depth of 6 m, and readings in each access hole are taken at 100-200 mm depth intervals along the length of the tubes. Values of volumetric water contents and densities are determined by using field calibration curves. This paper gives the results obtained from several projects, reports on the precision of the predicted values, and presents typical problems which were encountered during installation of the access tubes and the long-term monitoring programs. Further results and conclusions are also presented.

  • Availability:
  • Corporate Authors:

    American Society for Testing and Materials (ASTM)

    100 Barr Harbor Drive, P.O. Box C700
    West Conshohocken, PA  United States  19428-2957
  • Authors:
    • Silvestri, V
  • Conference:
  • Publication Date: 1999-10

Language

  • English

Media Info

  • Features: Figures; References;
  • Pagination: p. 223-235

Subject/Index Terms

Filing Info

  • Accession Number: 00794546
  • Record Type: Publication
  • ISBN: 0803126042
  • Report/Paper Numbers: STP 1358
  • Files: TRIS
  • Created Date: Jun 19 2000 12:00AM