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Slope Stabilty Results <br />Arvada Reclamation Pit <br />Clay-Earth Zoned Dam <br />w~ <br /> Total Strength Effective Strength <br />Claystone Shell Strengths Spencer Method FoS Spencer Method FoS <br />Core Zone Compaction Dry Full 1 fUday Rapid Seismic (10% G) Dry Full 1 fUday Rapid Seismic (10% G) <br />Slope (%) Condition Reservoir Drawdown Rapid Drawdown Condition Reservoir Drawdown Rapid Drawdown <br />0.5:1 95 2.67 4.02 2.09 1.52 2.84 3.32 1.84 1.36 <br /> 98 3.78 4.30 2.43 1.79 3.09 3.39 1.92 1.43 <br />1:1 95 2.48 3.63 1.94 1.41 2.63 3.18 1.76 1.29 <br /> 98 3.29 4.00 2.25 1.65 2.85 3.28 1.85 1.36 <br />2:i 95 2.07 3.07 1.55 1.13 2.01 2.78 1.42 1.05 <br /> 98 2.23 3.03 1.59 1.19 2.06 2.78 1.44 1.08 <br />3:1 95 1.74 2.51 1.19 0.89 2.35 2.98 1.37 1.02 <br />Strength Parameters: Overburden materials (shell) <br /> 95 % Compaction 98 % Comp action <br /> Effective Total Effective Total <br />Wet Density, pcf: 118 118 122 122 <br />Phi: 32 23 31 26 <br />C, psf: 260 920 570 1580 <br />Job No. 32,637 <br />Core materials (claystone) <br />95 % Compaction <br />Effective Total <br />105 105 <br />25 15 <br />200 230 <br />Table A-3 <br />