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TUCSON SOUTH PROPOSED GRAVEL MINE STABILITY ANALYSIS <br /> TETRA TECH SLOPE STABILITY ANALYSIS - HIGHWAY 7 FROM NORTH CELLS - WEST <br /> (pcf) (psf) V) <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 /> f20ft-0i415ft <br /> 4,971 <br /> _ 4,961 <br /> 4✓ <br /> 4,951 <br /> L <br /> 4,941 <br /> 2 <br /> 4,931) __ :L <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 />