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Ralston Quarry Slope Stability <br /> X411 <br /> E <br /> I <br /> E' <br /> Zone 1 and Section E—E' <br /> 2so <br /> 260 Ralston Quarry <br /> Slope Stability Analysis <br /> 240 Section E - E' <br /> 220 <br /> 200 <br /> 180 <br /> 2 <br /> 8 160 <br /> �p 2.36 <br /> + 140 -- • ___ <br /> O 120 <br /> m <br /> W <br /> 100 <br /> so Tailings <br /> Unit Weight=125 pcf <br /> g8 Colluvium Friction Angle=35 <br /> Claystone Unit Weight=125 pcf Cohesion=100 psf <br /> 40 Friction Angle=22 <br /> Unit Weight= 130 pcf Cohesion=135 psf <br /> 20 Friction Angle=20 <br /> Cohesion=1,000 psf <br /> 0 <br /> 200 250 300 350 400 4W 500 550 600 <br /> Distance(feet) <br /> Job No. 18-3046 GROUND Engineering Consultants, Inc. Page 11 <br />