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the ® ® INTERFACE DIRECT SHEAR <br /> ASTM D5321 <br /> Checked By: <br /> Project Name: FORWARD LANDFILL Proj.No.: 809918 Date:]DGC <br /> Sample Number: INF-1 Load,psf.: 6,000 Tested By: <br /> SampleDescription: SANDY CLAY 160 mil.SS TEXTURED HDPE/GRANULAR DRAINAGE. <br /> NORMAL <br /> LOAD COMPACTED SOIL <br /> TEXTURED HDPE <br /> GRANULAR DRAINAGE Max.Dry Density,pcf. 114.2 <br /> Opt Water Content,% 14.2 <br /> Soil Initial w/c.,% 17.2 <br /> Initial Density, f. 102.8 <br /> SHEAR DIRECTION Soil Final w/c.,% 20.9 <br /> All components of the liner system were exposed+3/16"on soil. Asperity,inch. 0.018 <br /> DISPLACEMENTS, SHEAR, TEST SHEAR LOAD VS. DISPLACEMENTS <br /> .001"/div. psf. 11 CONDITIONS <br /> 0 11 1. Placed granular drainage materials <br /> $0 987 onto the bottom box. 7000 -- <br /> AL <br /> 000 w -a <br /> 100 1653 2. Placed the SS textured DHPE with <br /> 150 2044 the smooth side in contact with the <br /> 200 2280 1 drainage material. Spray the textured 6000 - <br /> 250 2382 surface of the HDPE with water. <br /> 300 2370 3. Placed the compacted soil(90%RC <br /> 400 2277 at opt. + 3%water content)onto the 5000 - - <br /> 500 2230 upper box so that the textured HDPE <br /> 600 2179 is in contact with the soil. <br /> 800 2133 4.Apply the full normal load. o. 4000 - <br /> 1000 2118 5.Flood the whole system with water <br /> 1200 2101 and allow to hydrate and consolidate <br /> 1400 2096 or approx. 18-20 hrs. before shearing. <br /> 3000 <br /> 1600 2078 6. Shear at 0.04 inches/minute. <br /> 1800 2063 7. Failure occurs within the drainage <br /> 2000 2051 materials and the smooth side of the 2000 <br /> 2200 2039 HDPE. Visible line marks created on <br /> 2400 2020 the smooth side of the HDPE by the <br /> 2600 2008 drainage material. 1000 <br /> 2800 2005 <br /> 3000 2010 <br /> 3200 2008 <br /> 3400 2010 0 <br /> 3600 2007 0 1000 2000 3000 4000 <br /> 3800 200$ DISPLACEMENTS,(.001"/div.) <br /> SyX93t8a <br />