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STABILITY AND PERFORMANCE OF EARTHWORKS IN RESIDUAL CLAY SOILS OF SOUTHEASTERN OHIO

In order to improve the reliability of stability predictions for embankments, it was considered necessary to determine first if any relationship exists between site conditions and types of construction and performance. In this preliminary investigation, embankments and cut slopes along I-77 between Marietta and Byesville, in the Cincinnati area, and along U.S. Route 23 near Portsmouth were studied. The factors considered include geology, construction and design details, remedial measures, and performance. Index properties and mineralogical contents were also determined for a limited number of samples. The stability of cut slopes is closely related to the site geology. Slopes excavated into the Connellsville, Birmingham, and Round Knob members of the Conemaugh shale and colluvium derived from shales are generally unstable. Stability analyses do not always give reliable predictions because of our current inadequate knowledge on the strength of the shale and the contribution of overlaying rocks. High embankments located on Monogahela and Dunkird formations have shown a very high rate of failure. Reconstruction with back drains have not always been successful. /Author/

  • Supplemental Notes:
    • Prepared in cooperation with DOT and FHWA. Sponsored by the Ohio Department of Transportation.
  • Corporate Authors:

    Ohio State University, Columbus

    Transplex, 2070 Neil Avenue
    Columbus, OH  United States  43210
  • Authors:
    • Wu, T H
  • Publication Date: 1977-6

Media Info

  • Features: Appendices; Figures; References; Tables;
  • Pagination: 56 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00172359
  • Record Type: Publication
  • Report/Paper Numbers: OHIO-DOT-04-77 Final Rpt.
  • Contract Numbers: St Job No. 14299(0)
  • Files: TRIS
  • Created Date: Apr 26 1978 12:00AM