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TRIAXIAL COMPRESSION TEST 8/5/2010 <br /> CU with Pore Pressures 1:44 PM <br /> Date: 7/29/10 <br /> Client: Deere and Ault <br /> Project: Ft. Lupton Gravel Pit <br /> 20 1-00300 <br /> Project No.: DV 108-214.03 <br /> Location: Bulk <br /> Description: <br /> Remarks: Failure tangents drawn at approximately 18% strain. <br /> Type of Sample: Remolded 95%MDD <br /> Assumed Specific Gravity=2.7 LL= PL= PI= <br /> Test Method: COE uniform strain <br /> Specimen Parameter Initial Saturated Consolidated Final <br /> Moisture content: Moist soil+tare, gms. 1258.400 471.800 <br /> Moisture content: Dry soil+tare, gms. 1069.400 389.900 <br /> Moisture content: Tare, gms. 195.100 119.700 <br /> Moisture, % 21.6 28.9 28.6 30.3 <br /> Moist specimen weight, gms. 693.6 <br /> Diameter, in. 2.42 2.42 2.41 <br /> Area, in.2 4.59 4.59 4.58 <br /> Height, in. 5.00 5.00 4.99 <br /> Net decrease in height, in. 0.00 0.01 <br /> Wet Density, pcf 115.1 122.0 122.3 <br /> Dry density, pcf 94.7 94.7 95.1 <br /> Void ratio 0.7808 0.7808 0.7733 <br /> Saturation, % 74.8 100.0 100.0 <br /> Membrane modulus =0.124105 kN/cm2 <br /> Membrane thickness = 0.064 cm <br /> Consolidation cell pressure=54.00 psi (7.78 ksf) <br /> Consolidation back pressure =40.00 psi (5.76 ksf) <br /> Consolidation effective confining stress =2.02 ksf <br /> Strain rate, %/min. =0.04 <br /> Fail. Stress = 1.67 ksf at reading no. 94 <br /> Knight Piesold Geotechnical Lab. <br />