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ATT <br /> Unconfined Compressive Strength <br /> ADVANCED TERRA TESTING ASTM D7012 Method D <br /> CLIENT HDR BORING NO. HDR-004 <br /> JOB NO. 2279-031 DEPTH 158.0-158.5 <br /> PROJECT Morrison Quarry - TO 27 SAMPLE NO. Run 39 <br /> PROJECT NO. 10344203 DATE SAMPLED -- <br /> LOCATION Morrison, CO ROCK TYPE Sillimanitic Gneiss <br /> DATE TESTED 02/23/23 <br /> TECHNICIAN HN <br /> Test Parameters <br /> Load Rate (lb/min): 3000 <br /> Load Rate (N/min): 13345 <br /> Raw Data Files: 22.txt, 0 <br /> Density Data <br /> Mass of Rock (g): 996.5 Initial Wet Density (pcf): 164.3 <br /> Initial Diameter(in): 2.399 Initial Wet Density (kg/m3): 2632 <br /> Initial Height (in): 5.111 <br /> Test Results <br /> Peak Load (lbs): 18720 Failure Type: Fracture/ Bedding <br /> Compressive Strength (psi): 4142 Height to Diameter Ratio: 2.13:1 <br /> Compressive Strength (MPa): 29 Poisson's Ratio: 0.055 <br /> Young's Modulus (psi): 0.81 x1016 <br /> Strain vs.Stress <br /> Axial Strain <br /> Radial Strain <br /> ————Best Fit Axial <br /> Best Fit Radial <br /> 8.8868 <br /> -500.0 0.0 500.0 1000.0 1500.0 2000.0 2500.0 3000.0 3500.0 4000.0 4500.0 <br /> Axial Stress(psi) <br /> NOTES: <br /> Data entry by: HN Date: 02/23/23 <br /> Checked by: DL Date: 02/28/23 <br /> File name: 2279031 RockTx ASTM 7012 B and D 18.xlsm <br />