A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Stability of Slopes with Seepage: Surface Water
The effect of steady seepage on slope stability was based on laboratory tests on embankments having slopes of 2 to 1, 3 to 1, 4 to 1, and 5 to 1, and including sections with gravel toe, coarse central layer, coarse layer parallel to the surface, fine central layer, and alternating fine and coarse layers. Computed stability numbers gave an indication of the change in location of the failure zone, as well as giving the cohesion values required for slope stability for frictionangles of 5, 10, and 20 degrees and for 0, 40, and 100 percent saturation above the phreatic surface. Graphic correlations in three variables are presented by plotting stability numbers and the pore pressure parameter, Ru(ave) versus ratios of headwater and tailwater to embankment height. The possible contribution of tailwater to both surface and massive circular slope failures is clearly indicated. Also, an explanation of the shape of surface sloughing based on pore pressure distribution is presented. (Author)
Stability of Slopes with Seepage: Surface Water
The effect of steady seepage on slope stability was based on laboratory tests on embankments having slopes of 2 to 1, 3 to 1, 4 to 1, and 5 to 1, and including sections with gravel toe, coarse central layer, coarse layer parallel to the surface, fine central layer, and alternating fine and coarse layers. Computed stability numbers gave an indication of the change in location of the failure zone, as well as giving the cohesion values required for slope stability for frictionangles of 5, 10, and 20 degrees and for 0, 40, and 100 percent saturation above the phreatic surface. Graphic correlations in three variables are presented by plotting stability numbers and the pore pressure parameter, Ru(ave) versus ratios of headwater and tailwater to embankment height. The possible contribution of tailwater to both surface and massive circular slope failures is clearly indicated. Also, an explanation of the shape of surface sloughing based on pore pressure distribution is presented. (Author)
Stability of Slopes with Seepage: Surface Water
C. D. Muir (author) / D. B. Simons (author)
1969
33 pages
Report
No indication
English
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