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TUCSON SOUTH PROPOSED GRAVEL MINE STABILITY ANALYSIS <br /> ❑ SLOPE STABILITY ANALYSIS - EAST SIDE TUCSON STREET <br /> TETRA TECH <br /> (pcf) (Pso (°I <br /> Claystone Bedrock Mohr-Coulomb 134 100 28 <br /> (peak strength) <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 Gaystone Mohr-Coulomb 134 0 14 <br /> Bedrock(residual <br /> strength) <br /> Tucson Street ROW—op. <br /> Tucson St. of 35 ft No <br /> 1.67 <br /> 4,973 500 psf live load 15 ft►I4--20 ft--11� <br /> 4,968 <br /> 4,963 <br /> 4,95 <br /> 4,953 - - <br /> 4,948 <br /> 4,943 <br /> 4,938 <br /> 4,933 <br /> _m 4,928 —————————————————————————————— ------------------------- <br /> 2 <br /> 4,923 <br /> 4,918 <br /> 4,913 <br /> 4,908 <br /> 4,903 <br /> 4,898 <br /> 4,893 <br /> 4,888 <br /> -12 8 28 48 68 88 108 128 148 168 188 208 228 <br /> Distance (ft) <br /> Figure B-2 - Pseudostatic Analysis <br /> Horizontal Acceleration Coefficient: 0.067g <br />