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Appendix N <br />Rotational Equilibrium Analysis of Multilayer Embankments <br />Waste Rock Disposal Area <br />Material Density Cohesion Angle of Friction <br />Alluvial 125 200 25 <br />Coal Mine Waste 82 432 32 <br />Single Failure Surface <br />Enter the K. Y, and R for the failure surface: <br />X = X142 Y = 216.0 R = 190.7 FS = 3.04 Min FS = 3.04 <br />160 <br />140 <br />120 <br />100 <br />80 <br />60 ~ ~~ Coal Mine Waste <br />40 ~ Alluvial Material <br />O 40 80 120 160 <br />• <br />Page 1 of 3 <br />