DIRECT SHEAR TESTS ON FOLIATION SURFACES

Direct shear tests were performed on closed and open foliation surfaces of weathered phyllite samples obtained from slide areas located at the southeast hills of the city of Caracas. The evaluation of the laboratory tests indicated that Coulomb shear parameters failed to match the behaviour of the samples, and the development of the shear strength-displacement theory allowed the interpretation of the direct shear tests. The shear strength envelope, calculated from the aforementioned theory, models the transformation from closed to open foliation during the laboratory test. The results were applied to study the strength of a field sample and compare it to the laboratory shear strength. The number of the covering abstract of the congress is TRIS no. 385148. (Author/TRRL)

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/isbn/9061912377
• Supplemental Notes:
  • This paper was presented at the Fifth International Congress on Rock Mechanics, Melbourne, Australia, 1983, Volume 1, Theme A.
• Corporate Authors:

  AA Balkema

  P.O. Box 1675
  Rotterdam,   Netherlands  BR-3000

  Australasian Institute of Mining and Metallurgy

  204 Lygon Street
  Carlton, Victoria  Australia  3053
• Authors:
  • Tinoco, F H
  • Salcedo, D A
• Publication Date: 1983

Media Info

• Features: Figures; References;
• Pagination: p. 183-188
• Serial:
  • Publication of: Balkema (AA)
  • Publisher: AA Balkema

Subject/Index Terms

• TRT Terms: Conferences; Direct shear tests; Failure; Laboratory tests; Metamorphic rocks; Rocks; Shale; Shear strength; Slope stability; Strength of materials; Tests; Weathering
• Uncontrolled Terms: Phyllite
• Old TRIS Terms: Foliations
• ITRD Terms: 8525: Conference; 5520: Failure; 4154: Rock; 4168: Shale; 5531: Shear; 5783: Slope stability; 5544: Strength (mater); 6255: Test; 5281: Weathering
• Subject Areas: Geotechnology; Highways; I43: Rock Mechanics;

Filing Info

• Accession Number: 00385170
• Record Type: Publication
• Source Agency: ARRB
• ISBN: 90 6191 237 7
• Report/Paper Numbers: BOOK
• Files: ITRD, TRIS, ATRI
• Created Date: May 30 1984 12:00AM