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anew n Client: Asphalt Paving Co. <br /> Project No.: 18-3046 <br /> ENGINEERING <br /> Ralston Quarry Slope Stability <br /> Direct Shear <br /> 20 <br /> i <br /> 15 -- _ <br /> .y <br /> a 10 _ <br /> N <br /> d <br /> V1 <br /> N <br /> L <br /> 5 <br /> i <br /> ♦Peak <br /> i <br /> 0 <br /> 0 5 10 is 20 25 30 <br /> Normal Stress(psi) <br /> Tested By Shear Date Device Prep. Specific Gravity <br /> IDS/EK 9/17/2018 Geotest S2215A Liner 2.65 Estimated <br /> Point Normal Stress(psi) 5.0 10.0 20.0 <br /> Point Properties Initial Pre-shear Initial Pre-shear Initial Pre-shear <br /> Diameter(in) 2.47 2.47 2.47 <br /> Height(in) 1.00 0.99 1.00 0.95 1.00 0.96 <br /> Wet Density(pcf) 127.8 136.2 127.8 139.8 127.8 138.4 <br /> Moisture(%) 8.4 14.6 7.6 12.2 8.3 13.2 <br /> Dry Density(pcf) 117.9 118.8 118.8 124.5 117.9 122.3 <br /> Void Ratio 0.399 0.388 0.389 0.325 0.399 0.349 <br /> Saturation(%) 55.6 1 100.0 51.6 100.0 55.4 100.0 <br /> Shear Rate(in/min) 0.0025 0.0025 0.0025 <br /> Point Results Peak Peak Peak <br /> Shear Stress(psi) 6.3 10.8 17.4 <br /> Horizontal Strain(%) 5.3 6.5 7.7 <br /> Test Results Peak <br /> Friction Angle(deg) 36.1 <br /> Cohesion(psi) 3.0 <br /> Sample: Mid Slope Classification: SC, A-2-6(1) Liquid Limit: 35 <br /> Description: Clayey Sand <No.200(%): 30.0 Plasticity Index: 14 <br /> Tailings Figure: 17 <br /> Results apply only to the specific items and locations referenced and at the time of testing.Testing was performed in general accordance with ASTM <br /> D3090/AASHTO T236.Results should be evaluated and applied to the project by qualified personnel. This report should not be reproduced,except in <br /> full,without the written permission of GROUND Engineering Consultants,Inc. <br /> www.groundeng.com <br /> Englewood,Commerce City,Loveland,Granby,Gypsum <br />