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DIRECT SHEAR TEST 2/17/2017 <br /> Date: 11/15/16 <br /> Client: NewFields <br /> Project: CC&V-Stage 2B Tailings Management Study <br /> NF#475-0106-009 <br /> Project No.: DV 108-00305/05 <br /> Location: Ore Blend 2 W/Combined Tailings <br /> Description: Ore Blend 2 W/Combined Tailings: 90:10 blend. <br /> Remarks: Failure chosen at 15%strain with C=O. Particles larger than 3/4" were removed and replaced <br /> with finer gravel prior to test. Test was inundated. Gap=0.4" <br /> Type of Sample: Tamped loose into box <br /> Assumed Specific Gravity=2.7 LL= PL= PI= <br /> Parameters for Specimen No. I <br /> Specimen Parameter Initial Consolidated Final <br /> Moisture content: Moist soil+tare, gms. 6073.600 7499.000 <br /> Moisture content: Dry soil+tare, gms. 5896.700 5896.700 <br /> Moisture content: Tare, gms. 0.000 0.000 <br /> Moisture, % 3.0 27.2 27.2 <br /> Moist specimen weight, gms. 6073.6 <br /> Side Length, in. 8.00 8.00 <br /> Area, in.' 64.00 64.00 <br /> Height, in. 4.50 3.61 <br /> Net decrease in height, in. 0.89 <br /> Wet density, pcf 80.3 123.7 <br /> Dry density, pcf 78.0 97.2 <br /> Void ratio 1.1610 0.7336 <br /> Saturation, % 7.0 100.0 <br /> ReadingsTest • <br /> Normal stress =2500 psf <br /> Strain rate, in./min. =0.01 <br /> Fail. Stress =2243 psf at reading no. 70 <br /> Horizontal Shear <br /> Def.Dial Load Load Strain Stress <br /> No. in. Dial lbs. % psf <br /> 0 0.0000 6.000 0.0 0.0 0 <br /> 1 0.0070 92.000 86.0 0.1 194 <br /> 2 0.0160 135.000 129.0 0.2 290 <br /> 3 0.0240 159.000 153.0 0.3 344 <br /> 4 0.0330 177.000 171.0 0.4 385 <br /> 5 0.0420 190.000 184.0 0.5 414 <br /> 6 0.0480 198.000 192.0 0.6 432 <br /> 7 0.0570 209.000 203.0 0.7 457 <br /> 8 0.0630 221.000 215.0 0.8 484 <br /> 9 0.0720 234.000 228.0 0.9 513 <br /> 10 0.0800 250.000 244.0 1.0 549 <br /> Il 0.0980 277.000 271.0 1.2 610 <br /> 12 0.1130 301.000 295.0 1.4 664 <br /> 13 0.1280 321.000 315.0 1.6 709 <br /> Knight Piesold Geotechnical Lab. <br />