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The determination of the orientations of fracture planes in a weathered clay till using core samples / Steven M. Harris, Neil R. Thomson, Department of Civil Engineering, University of Waterloo ; Kentner...: En13-5/96-71E-PDF

"A method has been developed to determine fracture plane orientations in clay-rich glacial deposits from core samples obtained from inclined borings. In this method, a portion of each core sample is removed to expose vertical and horizontal surfaces which are used to map each identified fracture plane. An analytical geometry technique is used in conjunction with the mapping data to determine the pole to each fracture plane. This fracture pole data can then be presented on a lower hemisphere equal area projection diagram to indicate preferred fracture plane orientations. The utility of the developed method is demonstrated through a detailed analysis of core samples collected from a 10 m² site located near Sarnia, Ontario. The data from this investigation indicated the presence of three sets of fracture planes; however, only one of these fracture sets was determined to be statistically significant. The developed method offers an alternative to mapping fracture plane orientations on exposed surfaces"--Abstract.

Permanent link to this Catalogue record:
publications.gc.ca/pub?id=9.870742&sl=0

Publication information
Department/Agency
  • Canada. Environment Canada.
  • Canada. Water Science and Technology Directorate.
  • Canada Centre for Inland Waters.
  • University of Waterloo. Department of Civil Engineering.
  • National Water Research Institute (Canada)
TitleThe determination of the orientations of fracture planes in a weathered clay till using core samples / Steven M. Harris, Neil R. Thomson, Department of Civil Engineering, University of Waterloo ; Kentner S. Novakowski, Canada Centre for Inland Waters.
Series title
  • NWRI contribution ; 96-71
Publication typeMonograph - View Master Record
Language[English]
FormatDigital text
Electronic document
Note(s)
  • "Submitted to Ground Water, May 1996."
  • Digitized edition from print [produced by Environment and Climate Change Canada].
  • Includes bibliographical references.
Publishing information
  • [Ottawa] : Environment Canada, Water Science and Technology Directorate = Environnement Canada, Direction générale des sciences et de la technologie, eau, 1996.
Author / Contributor
  • Harris, Steven M., author.
  • Thomson, Neil Robert, 1957- author.
  • Novakowski, Kent S., author.
Description1 online resource (13, 12 pages) : illustrations.
Catalogue number
  • En13-5/96-71E-PDF
Subject terms
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