APPROXIMATE DESIGN METHOD FOR SLOPES IN STRAIN-SOFTENING MATERIALS

A simple design method is outlined for slopes made of strain-softening material or where such strain-softening material exists in layers in critical zones. The method entails using a simple clastic model to express the stress conditions responsible for initiating failure along a horizontal or sloping surface. Following initiation it is assumed that further collapse will occur in a third order mechanism. Four case histories are examined -- an experimental coal stockpile, an overburden dump, the Aberfan waste-tip collapse and the Vaiont slide. In each case the method predicts failure while the values of factor of safety using conventional (circular or noncircular arc) methods range from 1.3 to 2, implying safety in all cases.

Media Info

  • Features: References;
  • Pagination: p. 45-49

Subject/Index Terms

Filing Info

  • Accession Number: 00165117
  • Record Type: Publication
  • Source Agency: Engineering Index
  • Report/Paper Numbers: Proceeding
  • Files: TRIS
  • Created Date: Dec 27 1977 12:00AM