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anoupen Client: Asphalt Paving Company <br /> ENGINEERING Project No.: 18-3046 <br /> Ralston Quarry Slope Stability <br /> Direct Shear <br /> 35 ---- <br /> 30 <br /> �._. __. <br /> �- - <br /> I I <br /> ' I <br /> 25 --------- -- ...._...... - <br /> I <br /> Q <br /> 20 <br /> v i15 <br /> n <br /> ra <br /> ar <br /> L <br /> 10 <br /> ♦Peak <br /> 5 <br /> 0 <br /> 0 5 10 15 20 25 <br /> Normal Stress(psi) <br /> Tested By Shear Date Device Prep. Specific Gravity <br /> DS 8/16/2018 Geotest S2215A Liner 2.65 Estimated <br /> Point Normal Stress(psi) 5.0 10.0 20.0 <br /> Point Properties Initial I Pre-shear Initial I Pre-shear Initial Pre-shear <br /> Diameter(in) 1.94 1.94 1.94 <br /> Height(in) 1.00 0.99 1.00 0.99 1.00 0.96 <br /> Wet Density(pcf) 112.4 113.6 113.9 115.4 114.1 118.8 <br /> Moisture(%) 24.3 24.3 18.3 18.3 20.9 20.9 <br /> Dry Density(pcf) 90.4 91.4 96.3 97.5 94.3 98.2 <br /> Void Ratio 0.824 0.805 0.712 0.691 0.749 0.679 <br /> Saturation 1%) 78.1 1 79.9 68.0 70.1 74.0 81.6 <br /> Shear Rate(in/min) 0.0025 0.0025 0.0025 <br /> Point Results Peak Peak Peak <br /> Shear Stress(psi) 12.3 19.1 29.9 <br /> Horizontal Strain(%) 6.2 7.7 9.3 <br /> Test Results Peak <br /> Friction Angle(deg) 49 <br /> Cohesion(psi) 7 <br /> Sample: TH-4 at 11 ft <br /> Description: Colluvium <br /> Figure: 18 <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 D3D80/AASHTO T236.This report should not be reproduced, <br /> except in full,without the written permission of GROUND Engineering Consultants,Inc. <br /> www.groundeng.com <br /> Englewood,Commerce City,Loveland,Granby,Gypsum <br />