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ATT <br /> Unconfined Compressive Strength <br /> ADVANCED TERRA TESTING ASTM D7012 Method D <br /> CLIENT HDR BORING NO. HDR-005 <br /> JOB NO. 2279-031 DEPTH 186.0-186.5 <br /> PROJECT Morrison Quarry - TO 27 SAMPLE NO. Run 42-44 <br /> PROJECT NO. 10344203 DATE SAMPLED -- <br /> LOCATION Morrison, CO ROCK TYPE Sillimanitic Gneiss <br /> DATE TESTED 02/24/23 <br /> TECHNICIAN HN <br /> Test Parameters <br /> Load Rate (lb/min): 6000 <br /> Load Rate (N/min): 26689 <br /> Raw Data Files: 32.txt, 0 <br /> Density Data <br /> Mass of Rock (g): 900.2 Initial Wet Density (pcf): 164.1 <br /> Initial Diameter(in): 2.390 Initial Wet Density (kg/m3): 2629 <br /> Initial Height (in): 4.657 <br /> Test Results <br /> Peak Load (lbs): 38945 Failure Type: Shear <br /> Compressive Strength (psi): 8653* Height to Diameter Ratio: 1.95:1 <br /> Compressive Strength (MPa): 60* Poisson's Ratio: 0.060 <br /> Young's Modulus (psi): 3.58 x1016 <br /> Strain vs.Stress <br /> 8.888-1 <br /> Axial Strain <br /> Radial Strain <br /> 2 <br /> ----Best Fit Axial <br /> c <br /> 4 Best Fit Radial <br /> -1000.0 0.0 1000.0 2000.0 3000.0 4000.0 5000.0 6000.0 <br /> Axial Stress(psi) <br /> NOTES: * Despite the ASTM recommendation, due to sample dimensions a <br /> correction is applied with the equation CF= 1/(0.88+0.24(D/H)) <br /> Data entry by: HN Date: 02/24/23 <br /> Checked by: DL Date: 02/28/23 <br /> File name: 2279031 RockTx ASTM 7012 B and D 25.xlsm <br />