2.17 Distance 0 100 200 300 400 500 600 700 800 900 1,000 Elevation 30 50 70 90 110 130 150 170 190 Color Name Model Unit Weight (kN/m³) Cohesion (kPa) Minimum Strength (kPa) Tau/Sigma Ratio Efective Cohesion (kPa) Efective Friction Angle(°) Strength Function Phi-B (°) Piezometric Line Ru Include Ruin PWP Udrnd Ash/CWRock/Resid.S Shear/NormalFn. 17 Ash/CWRock 0 1 0.1 Yes UdrndEpiclastic Mohr-Coulomb 18 5 35 0 1 No UdrndEW/VWRhy. EWIgn&Dac Shear/NormalFn. 17.5 EW/VWRhy. EWIgn.Dac. 0 1 0.1 Yes UdrndPaleoBldrAlu. Mohr-Coulomb 18 5 35 0 1 No UdrndSPZoneD2 Shear/NormalFn. 19.5 Grav./Cobb. Dr=0.85 (16%ile) 0 1 0.05 Yes UdrndSPZoneD3 Mohr-Coulomb 19 10 18 0 1 0.4 Yes UdrndSPZoneE SHANSEP 19 0 0.21 1 0.6 Yes UdrndVWDacite Shear/NormalFn. 18 VWDacite 0 1 No UdrndVWIgn. Shear/NormalFn. 19 VWIgn. 0 1 No UdrndWDacite Shear/NormalFn. 25 WeakRhy. Dac. 0 1 No UdrndWRhyRock Shear/NormalFn. 18.5 WeakRhy. Dac. 0 1 No UdrndZoneA/I Fdtn UC SHANSEP 17.5 80 0.35 1 0.3 Yes UdrndZoneA/IMine OB SHANSEP 20.5 150 0.4 1 0.1 Yes UdrndZoneF Shear/NormalFn. 20.5 Grav./Cobb. Dr=0.85 (16%ile) 0 1 0.05 Yes UdrndZoneG Undrained(Phi=0) 20.5 100 1 No 20.482 m 20.372 m 50.237 m 59.03 m 136.7 m 9.8897 m Factor of Safety 2.17 - 2.27 2.27 - 2.37 ≥ 2.37 13/10/2021 Section 1d.gsz Figure B17 Up Slope Udrnd 1:4,000 By: ET Analysis Settings Method: Morgenstern-Price Direction of movement: Right to Left Slip Surface Option: Entry and Exit Unit Weight of Water: 9.807 kN/m³ Horz Seismic Coef.: Factor of Safety: 2.17 Color Name Model Unit Weight (kN/m³) Cohesion (kPa) Minimum Strength (kPa) Tau/Sigma Ratio Effective Cohesion (kPa) Effective Friction Angle (°) Strength Function Piezometric Line Ru Include Ru in PWP Udrnd Ash/CWRock/Resid.S Shear/Normal Fn. 17 Ash/CWRock 1 0.1 Yes Udrnd Epiclastic Mohr-Coulomb 18 5 35 1 No Udrnd EW/VW Rhy. EW Ign&Dac Shear/Normal Fn. 17.5 EW/VW Rhy. EW Ign. Dac. 1 0.1 Yes Udrnd Paleo BldrAllu. Mohr-Coulomb 18 5 35 1 No Udrnd SPZone D2 Shear/Normal Fn. 19.5 Grav./Cobb. Dr=0.85 (16%ile) 1 0.05 Yes Udrnd SPZone D3 Mohr-Coulomb 19 10 18 1 0.4 Yes Udrnd SPZone E SHANSEP 19 0 0.21 1 0.6 Yes Udrnd VW Dacite Shear/Normal Fn. 18 VW Dacite 1 No Udrnd VW Ign. Shear/Normal Fn. 19 VW Ign. 1 No Udrnd W Dacite Shear/Normal Fn. 25 Weak Rhy. Dac. 1 No Udrnd W Rhy Rock Shear/Normal Fn. 18.5 Weak Rhy. Dac. 1 No Udrnd ZoneA/I Fdtn UC SHANSEP 17.5 80 0.35 1 0.3 Yes Udrnd ZoneA/I Mine OB SHANSEP 20.5 150 0.4 1 0.1 Yes Udrnd Zone F Shear/Normal Fn. 20.5 Grav./Cobb. Dr=0.85 (16%ile) 1 0.05 Yes Udrnd Zone G Undrained (Phi=0) 20.5 100 1 No
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