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the ® <br /> /group. <br /> DIRECT SHEAR <br /> 1. ASTM D5321 <br /> Checked By: <br /> oject Name: FORWARD LANDFILL Proj.No.: 809918 Date: 09/13/2000 <br /> Sample Number: INF-2B Load,psf.: 17,000 Tested By: DGC <br /> SampleDescription: SANDY CLAY/GEONET(NET DOWN)/SS TEXTURED HDPE,60 mil,(SMOOTH SIDE UP). <br /> NORMAL <br /> LOAD COMPACTED SOIL <br /> GEONET(NET DOWN) <br /> TEXTURED HDPE Max.Dry Density,pcf. 110.5 <br /> (SMOOTH UP) Opt.Water Content,% 15.3 <br /> Soil Initial w/c.,% 17.3 <br /> Initial Density,pcf. 99.5 <br /> SHEAR DIRECTION lSojI Final w/c.,% 18.3 <br /> All components of the liner system were exposed+3/16"on soil. s eriry,inch. 0.018 <br /> DISPLACEMENTS, SHpEAR, TEST SHEAR LOAD VS. DISPLACEMENTS <br /> .001"/div. sf. CONDITIONS IF <br /> 0 11 1.Anchor the SS textured HDPE onto <br /> 50 2261 the bottom box with the smooth side 4000 <br /> 100 3088 up and spray with water. <br /> ANk 150 3248 2. Placed the geonet so that the net is <br /> 200 3408 1 in contact with the smooth HDPE and <br /> 250 3440 spray the textile(top side)with water. <br /> 300 3340 3. Compact the subgrade material to 3000 <br /> 400 3061 90%of max. dry density at opt. +2% <br /> 500 2832 water content onto the upper box and <br /> 600 3508 placed it on top of the textile(geonet). <br /> w <br /> 700 3381 4.Apply the full normal load. 4fl*1 <br /> 800 3310 5. Flood the whole system with water 1111111 <br /> 900 3108 and allow to hydrate and consolidate 04 2000 <br /> 1000 3015 for approx. 18-20 hrs. before shearing. w <br /> 1100 3484 6. Shear at 0.04 inches/minute. <br /> 1200 3399 7. Failure occurs in between the <br /> 1300 3225 Geonet and the smooth face of the <br /> 1400 3141 HDPE. 1000 <br /> 1500 3278 <br /> 1600 3419 <br /> 1800 3244 <br /> 2000 3376 <br /> 2200 3301 <br /> 2400 3236 0 <br /> 2600 3220 0 1000 2000 3000 <br /> 2800 L-12-8—JI <br /> DISPLACEMENTS,(.001"/div.) <br /> byX931bo <br />