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DIRECT SHEAR TEST 2/17/2017 <br /> Date: 11/l/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 1 W/Combined Tailings <br /> Description: Ore Blend 1 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 loosley into box <br /> Assumed Specific Gravity=2.7 LL= PL= P1= <br /> Parameters for - <br /> Specimen Parameter Initial Consolidated Final <br /> Moisture content: Moist soil+tare, gms. 6128.000 7937.000 <br /> Moisture content: Dry soil+tare, gms. 5896.500 6055.200 <br /> Moisture content: Tare, gms. 0.000 0.000 <br /> Moisture, % 3.9 31.1 31.1 <br /> Moist specimen weight, gms. 6128.0 <br /> Side Length, in. 8.00 8.00 <br /> Area, in.' 64.00 64.00 <br /> Height, in. 4.50 3.83 <br /> Net decrease in height, in. 0.67 <br /> Wet density, pcf 81.1 120.1 <br /> Dry density, pcf 78.0 91.7 <br /> Void ratio 1.1610 0.8390 <br /> Saturation, % 9.1 100.0 <br /> ReadingsTest <br /> Normal stress =2500 psf <br /> Strain rate, in./min. =0.01 <br /> Fail. Stress=2324 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 0.000 0.0 0.0 0 <br /> 1 0.0090 106.000 106.0 0.1 239 <br /> 2 0.0180 137.000 137.0 0.2 308 <br /> 3 0.0270 158.000 158.0 0.3 356 <br /> 4 0.0350 168.000 168.0 0.4 378 <br /> 5 0.0440 181.000 181.0 0.5 407 <br /> 6 0.0510 189.000 189.0 0.6 425 <br /> 7 0.0600 196.000 196.0 0.8 441 <br /> 8 0.0660 201.000 201.0 0.8 452 <br /> 9 0.0750 207.000 207.0 0.9 466 <br /> 10 0.0850 210.000 210.0 1.1 473 <br /> 11 0.1020 214.000 214.0 1.3 482 <br /> 12 0.1180 218.000 218.0 1.5 491 <br /> 13 0.1330 243.000 243.0 1.7 547 <br /> Knight Piesold Geotechnical Lab. <br />