2.412 Distance 0 100 200 300 400 500 Elevation 50 60 70 80 90 100 110 120 130 140 150 160 Analysis Settings Method: Morgenstern-Price Direction of movement: Left to Right Slip Surface Option: Entry and Exit Unit Weight of Water: 9.807 kN/m³ Horz Seismic Coef.: 0 Factor of Safety: 2.412 Color Name Model Unit Weight (kN/m³) Cohesion (kPa) Strength Function Effective Cohesion (kPa) Effective Friction Angle (°) Phi-B (°) Minimum Strength (kPa) Tau/Sigma Ratio Piezometric Line Ru Include Ru in PWP PSTEQ Rhy. CW SHANSEP 17 0 0.23 2 0.1 Yes PSTEQ Rhy. Hw/Mw Mohr-Coulomb 17.5 5 35 0 2 0.1 Yes PSTEQ Rhy. Sen. Tuff. 0.06 SHANSEP 16.5 0 0.06 2 0.1 Yes PSTEQ Rhy. Weak Shear/Normal Fn. 18.5 Weak Rhyolite 0 2 0.1 Yes PSTEQ Zone A/I Found UC SHANSEP 17.5 50 0.38 2 0.3 Yes PSTEQ Zone A/I Mine OB SHANSEP 20.5 120 0.32 2 0.1 Yes PSTEQ Zone B Above RL145 Mohr-Coulomb 20.5 17 17 0 1 No PSTEQ Zone B Below RL145 Mohr-Coulomb 20.5 8 15 0 0.5 Yes PSTEQ Zone C1 Mohr-Coulomb 20.5 17 17 0 2 0.3 Yes PSTEQ Zone C2/F Shear/Normal Fn. 20.5 Gravels/Cobbles Dr=0.85 (16%ile) 0 2 0.05 Yes PSTEQ Zone D2 Mohr-Coulomb 19.5 5 35 0 2 0.1 Yes PSTEQ Zone D3 Mohr-Coulomb 19 8 15 0 2 0.4 Yes PSTEQ Zone G Undrained (Phi=0) 20.5 80 2 No Tails Fresh SHANSEP 16 0 0.04 1 No Factor of Safety 2.412 - 2.512 2.512 - 2.612 ≥ 2.612 08/10/2021 20211008 TSF3 RL155 S2d.gsz Figure B31a-PstEq-Oper-PstEqUdrnd-Fdn 1:2,198 By: ET
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