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DIRECT SHEAR TEST 2/17/2017 <br /> Date: 10/7/16 <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 <br /> Description: poorly graded gravel with clay and sand <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=47 PL=19 PI=28 <br /> SpecimenParameters for <br /> Specimen Parameter Initial Consolidated Final <br /> Moisture content: Moist soil+tare, gms. 6167.200 7896.000 <br /> Moisture content: Dry soil+tare, gms. 5970.470 5970.470 <br /> Moisture content: Tare, gms. 0.000 0.000 <br /> Moisture, % 3.3 32.3 32.3 <br /> Moist specimen weight, gms. 6167.2 <br /> Side Length, in. 8.00 8.00 <br /> Area, in.' 64.00 64.00 <br /> Height, in. 4.50 3.94 <br /> Net decrease in height, in. 0.56 <br /> Wet density, pcf 81.6 119.2 <br /> Dry density, pcf 79.0 90.1 <br /> Void ratio 1.1343 0.8709 <br /> Saturation, % 7.8 100.0 <br /> Test Readings for Specimen No. I <br /> Normal stress = 2500 psf <br /> Strain rate, in./min. =0.01 <br /> Fail. Stress =2529 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 2.000 0.0 0.0 0 <br /> 1 0.0072 114.000 112.0 0.1 252 <br /> 2 0.0150 162.000 160.0 0.2 360 <br /> 3 0.0237 195.000 193.0 03 434 <br /> 4 0.0324 219.000 217.0 0.4 488 <br /> 5 0.0407 237.000 235.0 0.5 529 <br /> 6 0.0473 249.000 247.0 0.6 556 <br /> 7 0.0561 261.000 259.0 0.7 583 <br /> 8 0.0648 269.000 267.0 0.8 601 <br /> 9 0.0711 280.000 278.0 0.9 626 <br /> 10 0.0823 290.000 288.0 1.0 648 <br /> 11 0.0955 308.000 306.0 1.2 689 <br /> 12 0.1125 332.000 330.0 1.4 743 <br /> 13 0.1282 343.000 341.0 1.6 767 <br /> Knight Piesold Geotechnical Lab. <br />