SAMPLING A GLACIAL SILTY CLAY

Over a period of 10 years a total of 42 borings were made in a glaciolacustrine deposit on the western boundary of Detroit, Michigan. The soil profile consisted of yellow-brown mottled silty clay underlain by gray silty clay. The undrained shear strength, moisture content, and dry density of 329 soil specimens of the gray silty clay are statistically analyzed. The variables are randomly distributed in both the vertical and the lateral directions. The lognormal distribution is the most likely fit for the data but, on engineering grounds, the normal distribution is preferred. Statistical estimation theory indicates that as few as 5 borings arranged in an X pattern and containing at least 30 specimens could adequately estimate the values for design at this site. /Author/

• Record URL:
  • http://onlinepubs.trb.org/Onlinepubs/trr/1977/642/642-012.pdf
• Summary URL:
  • https://scholar.google.com/scholar_lookup?title=SAMPLING+A+GLACIAL+SILTY+CLAY&author=J.+Lamb&author=J.+Ritchie&publication_year=1977
• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/isbn/0309026717
• Supplemental Notes:
  • Publication of this paper sponsored by Committee on Exploration and Classification of Earth Materials. Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved.
• Authors:
  • Lamb, J H
  • Ritchie, J M
• Publication Date: 1977

Media Info

• Media Type: Print
• Features: Figures; References; Tables;
• Pagination: pp 53-56
• Monograph Title: Soil taxonomy and soil properties
• Serial:
  • Transportation Research Record
  • Issue Number: 642
  • Publisher: Transportation Research Board
  • ISSN: 0361-1981

Subject/Index Terms

• TRT Terms: Clay soils; Design; Dry density; Glacial soils; Silts; Soil water; Statistical analysis; Undrained shear strength
• Subject Areas: Data and Information Technology; Design; Geotechnology; Highways;

Filing Info

• Accession Number: 00179012
• Record Type: Publication
• ISBN: 0309026717
• Files: TRIS, TRB
• Created Date: Aug 19 1978 12:00AM