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TETRA TECH TUCSON SOUTH PROPOSED GRAVEL MINE STABILITY ANALYSIS <br /> SLOPE STABILITY ANALYSIS - HIGHWAY 7 FROM NORTH CELLS - WEST <br /> (Pcf) (Psn (I <br /> Claystone Bedrock Mohr-Coulomb 134 100 28 <br /> (peak strength) <br /> ■ Fill Mohr-Coulomb 126 25 26 <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 /> 106ft Live Load:500 psf <br /> 3.07 <br /> 4,981 o Screening Berm <br /> 4,971 f 20 ft--►415 ft <br /> _ 4,961 <br /> y 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-1- Static Analysis <br />