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• <br /> the(qIIAgroUpINTERFACE DIRECT SHEAR <br /> ASTM D5321 <br /> Checked By: <br /> Project Name. FORWARD LANDFILL Proj.No.: 809918 Date: 09/21/2000 <br /> Sample Number: INF-2A Load,psf: 1,000 Tested By: DGC <br /> SampleDescription: SANDY CLAY/GCL/SS TEXTURED HDPE,60 mil,(TEXTURED SIDE UP). <br /> NORMAL <br /> LOAD COMPACTED SOIL <br /> GCL <br /> iEi TEXTURED HDPE Max.Dry Density,pcf. 110.5 <br /> (TEXTURED UP) Opt.Water Content,% 15.3 <br /> Soil Initial w/c.,% 17.3 <br /> 10 Initial Densi cf. 99.5 <br /> SHEAR DIRECTION Soil Final w/c.,% 19.9 <br /> All components of the liner system were exposed+3/16"on soil. AspcTity,inch. 0 1[].018 <br /> DISPLACEMENTS, SHEAR, TEST SHEAR LOAD VS. DISPLACEMENTS <br /> .001"/div. psf. CONDITIONS ---IF <br /> 0 11 1.Anchor the SS textured HDPE onto <br /> 50 238 the bottom box with the textured side 6000 <br /> 100 282 up and spray with water. <br /> - 150 302 2. Placed the hydrated GCL(24 hrs) <br /> 200 327 on top of the textured HDPE. <br /> 250 355 3. Compact the subgrade material to 5000 <br /> 300 385 90%of max. dry density at opt. +2% <br /> 400 440 water content onto the upper box and <br /> 500 482 laced it on top of the GCL. 4000 <br /> 600 508 4.Apply the full normal load. <br /> 800 538 5. Flood the whole system with water a <br /> 1000 550 and allow to hydrate and consolidate <br /> 1200 543 or approx. 18-20 hrs. before shearing. ® 3000 <br /> 1400 498 6.Shear at 0.04 inches/minute. <br /> 1600 468 7. Failure occurs in between the <br /> 1800 448 GCL and the textured HDPE. 2000 <br /> 2000 430 <br /> 2200 425 <br /> 2400 420 <br /> 2600 422 1000 <br /> 2800 422 <br /> 3000 417 <br /> 3200 394 <br /> 3400 424 0 <br /> 3600 1428 0 1000 2000 3000 4000 <br /> 3800 420 DISPLACEMENTS,(.001"/div.) <br /> SyX93tSa <br />