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EARTH ENGINEERING CONSULTANTS, LLC <br /> ( DIRECT SHEAR TEST REPORT <br /> ASTM D3080 <br /> CLIENT: Asphalt Specialties Company, Inc. <br /> PROJECT: Stiles Mine <br /> PROJECT NO. 1212092 <br /> SAMPLE LOCATION: B-6 at 24-39' <br /> SOIL CLASSIFICATION: Brown Sand with Silt and Gravel <br /> NORMAL ULTIMATE SHEAR PEAK SHEAR MOISTURE DRY <br /> SAMPLE NO. STRESS STRESS STRESS CONTENT DENSITY <br /> (PSF) (PSF) (PSF) (%) (PCF) <br /> 1 1000 880 890 11.9 83.0 <br /> 2 2000 1557 1657 12.0 82.2 <br /> 3 3000 2126 2125 11.7 82.0 <br /> FRICTION ANGLE(Q COHESION(psf) <br /> PEAK 31.7 289 <br /> ULTIMATE 31.9 276 <br /> Variation of Peak Stress with Normal Stress Variation of Ultimate Stress with Normal Stress <br /> 5000 5000 <br /> 4000 4000 <br /> e 3000 3000 <br /> H <br /> � A <br /> c 2000 H 2O00 <br /> 1000 1000 <br /> 0 0 <br /> 0 1000 2000 3000 4000 5000 0 1000 2000 3000 4000 5000 <br /> Normal Stress(psf) Normal Stress(psf) <br />