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W <br /> the A INTERFACE DIRECT SHEAR <br /> LWO C7 ASTM D5321 <br /> Checked By: <br /> Project Name: FORWARD LANDFILL Proj.No.: 809918 Date: 09/20/2000 <br /> Sample Number: INF-2B Load,psf.: 1,000 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 Soil Final w/c.,% 21.4 <br /> All components of the liner system were exposed+3/16"on soil. Asperity,inch. 0.018 <br /> DISPLACEMENTS,LtEAR, F TEST SHEAR LOAD VS. DISPLACEMENTS <br /> .001"/div. sf. CONDITIONS <br /> - <br /> o 11 1.Anchor the SS textured HDPE onto <br /> 50 194 the bottom box with the smooth side 4000 <br /> 100 218 up and spray with water. <br /> 150 229 2. Placed the geonet so that the net is <br /> 200 238 in contact with the smooth HDPE and <br /> 250 234 spray the textile(top side)with water. <br /> 300 234 3. Compact the subgrade material to 3000 <br /> 400 233 90%of max. dry density at opt. +2% <br /> 500 239 water content onto the upper box and <br /> 600 243 placed it on top of the textile(geonet). <br /> W <br /> 800 236 4. Apply the full normal load. a <br /> 1000 239 5. Flood the whole system with water <br /> 1200 239 and allow to hydrate and consolidate J 2000 <br /> 1400 238 for approx. 18-20 hrs. before shearing. <br /> 1600 239 6. Shear at 0.04 inches/minute. <br /> 1800 238 7. Failure occurs in between the if <br /> 2000 239 Geonet and the smooth face of the <br /> 2200 239HDPE- 1000 <br /> 2400 237 <br /> 2600 236 <br /> 2800 240 <br /> 3000 237 <br /> 3200 234 <br /> 3400 236 0 <br /> 3600 235 0 1000 2000 3000 4000 <br /> 3800235 DISPLACEMENTS,(.001"/div.) <br /> 5yX9318o <br />