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to, 29, 2009 <br />Velocity <br />(feet per second) <br />0.0000 to 0.0001 <br />0 0001 to 0.0002 <br />0 0002 to 0 0003 <br />0.0003 to 0.0004 <br />0 0004 to 0.0005 <br />0 0005 to 0.0006 <br />0 0006 to 0.0007 <br />0 0007 to 0.0008 <br />0.0008 to 0 0009 <br />>0 0009 <br />P( src 14 <br />Figure 15. Sectional N'iew of Failure Block, Velocities Case 2, Factor of Safety 1.79 <br />Shear Strain <br />(inches per inch) <br />0.00 to 0.02 <br />0.02 to 0 04 <br />0.04 to 0 06 <br />0 06 to 0 08 <br />A third model was constructed to determine global stability if the material was highly <br />weathered, slakable material with only fair compaction. WI-file this condition could gist in <br />portions of the embankment, it is highly unlikely to be of the extent this assumed in this model. <br />however, since the locations cannot be determined at this time, the entire mass of spoil till is <br />modeled as a weathered shale with an angle of internal friction equal to 15 degrees and a <br />cohesion of 1,000 psf. The graphical results are presented as Figures 17 through ly. <br />%gapito Associates. Inc. <br />Figure 16. Sectional Vievy of Failure Surface, Shear Strain Case 2, Factor of Safety 1.79