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Results of stability analysis were used to estimate the in-situ strength of the red Conemaugh Shales in the seven slopes. It was found that the strengths were close to the residual shear strength where the red Conemaugh Shales in the slopes had thicknesses of 12m or more. Somewhat higher strengths were found in slopes with less than 10m. of red Conemaugh Shale. Stress analyses showed that this thickness had an important influence on the size of the overstressed zone. The recommendations for design strengths take into account the thickness of the red Conemaugh shale, slope angle and slickenside density.
Results of stability analysis were used to estimate the in-situ strength of the red Conemaugh Shales in the seven slopes. It was found that the strengths were close to the residual shear strength where the red Conemaugh Shales in the slopes had thicknesses of 12m or more. Somewhat higher strengths were found in slopes with less than 10m. of red Conemaugh Shale. Stress analyses showed that this thickness had an important influence on the size of the overstressed zone. The recommendations for design strengths take into account the thickness of the red Conemaugh shale, slope angle and slickenside density.
Stability of Slopes in Shale and Colluvium. Part 2. Appendices
T. H. Wu (author)
1981
92 pages
Report
No indication
English
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