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TUCSON SOUTH PROPOSED GRAVEL MINE STABILITY ANALYSIS <br /> TETRA TECH SLOPE STABILITY ANALYSIS - HIGHWAY 7 FROM NORTH CELLS - WEST <br /> (PCO (Pso (`) <br /> Claystone Bedrock Mohr-Coulomb 134 100 28 <br /> (peak strength) <br /> Mud Lens Mohr-Coulomb 126 50 28 <br /> Overburden Mohr-Coulomb 126 50 28 <br /> Sand and Gravel Mohr-Coulomb 137 0 35 <br /> . Slurry Wall Mohr-Coulomb 122 0 0 <br /> . Weathered Mohr-Coulomb 134 0 14 <br /> Claystone Bedrock <br /> (residual strength) <br /> Applied <br /> 106 ft Live Load: 500 psf <br /> 2.19 <br /> 4,981 — Screening Berm <br /> 4,971 F20ft��15ft► <br /> _ 4,961 ,. <br /> 4,951 <br /> L <br /> 4,941 <br /> 4,931 <br /> 4,921 <br /> 4,911 <br /> -200-190 -180-170-160-150-140 -130-120 -110-100 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 <br /> Distance (ft) <br /> Figure N-2 - Pseudostatic Analysis <br /> Horizontal Acceleration Coefficient:0.067g <br />