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4LATIT Rock Direct Shear <br /> ASTM D 5607 <br /> ADVANCED TERRA TESTING <br /> CLIENT HDR BORING NO. HDR-002 <br /> JOB NO. 2279-031 DEPTH 255.5-256.0 <br /> PROJECT Morrison Quarry - TO 27 SAMPLE NO. Run 64-66 <br /> PROJECT NO. 10344203 DATE SAMPLED -- <br /> LOCATION Morrison, CO ROCK TYPE Granitic Gneiss <br /> DATE TESTED 01/14/23 <br /> TECHNICIAN HN JOINT TYPE Natural open fracture <br /> Direct Shear Results <br /> Point: A B C <br /> Normal Stress (psi): 50.0 300.0 900.0 <br /> Normal Stress (kPa): 345 2068 6205 <br /> Residual Shear Stress (psi): 48.0 272.8 689.3 <br /> Residual Shear Stress (kPa): 331 1881 4753 <br /> Peak Strength (psi): 58.5 <br /> Peak Strength (kPa): 403 <br /> Residual Stress <br /> Friction Angle 36.6 <br /> Cohesion (psi): 26.9 <br /> Cohesion (kPa): 186 <br /> Residual Stress vs. Normal Stress <br /> 800 <br /> 700 <br /> 600 <br /> -- 500 <br /> a <br /> 400 O Peak Stress <br /> pResidual Stress <br /> w <br /> N 300 <br /> 200 <br /> 100 <br /> I <br /> 0 <br /> 0 100 200 300 400 500 600 700 800 900 1000 <br /> Normal Stress(psi) <br /> Data entry by: HN Date: 01/14/23 <br /> Checked by: DL Date: 01/17/23 <br /> File name: 2279031 Rock Direct Shear ASTM D5607 5.xlsm Page 1 of 2 <br />