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• <br /> the ® ® INTERFACE DIRECT SHEAR <br /> ASTM D5321 <br /> Checked By: <br /> roject Name: FORWARD LANDFILL Proj.No.: 809918 Date: 09/06/2000 <br /> Sample Number: INF-1 Load,psf.: 3,000 Tested By: DGC <br /> SampleDescription: SANDY CLAY/60 mil.SS TEXTURED HDPE/GRANULAR DRAINAGE. <br /> NORMAL <br /> LOAD ( COMPACTED SOIL <br /> ♦• TEXTURED HDPE <br /> GRANULAR DRAINAGE Max.Dry Density, f, 114.2 <br /> Opt.Water Content% 14.2 <br /> Soil Initial w/c.,% 17.2 <br /> Initial Density,pcf. 102.8 <br /> SHEAR DIRECTION oil Final w/c.,% 21.8 <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. sf. CONDITIONS <br /> 0 11 1. Placed granular drainage materials <br /> 50 830 onto the bottom box. 7000 <br /> I00 992 2. Placed the SS textured DHPE with <br /> 150 1074 the smooth side in contact with the <br /> 200 1069 drainage material.Spray the textured 6000 <br /> 250 1066 surface of the HDPE with water. <br /> 300 1057 3. Placed the compacted soil(90%RC <br /> 400 1046 at opt. +3%water content)onto the 5000 - - <br /> 500 1026 upper box so that the textured HDPE <br /> 600 1019 is in contact with the soil. <br /> w <br /> 800 1001 4.Apply the full normal load. 4 4000 <br /> 1000 1001 S. Flood the whole system with water <br /> 1200 1004 and allow to hydrate and consolidate a <br /> 1400 1007 for approx. 18-20 hrs. before shearing. 1 3000 <br /> 1600 1005 6. Shear at 0.04 inches/minute. x <br /> 1800 1003 7. Failure occurs within the drainage <br /> 2000 1006 materials and the smooth side of the <br /> 2000 <br /> 2200 1009 HDPE. Visible line marks created on <br /> 2400 1006 the smooth side of the HDPE by the <br /> 2600 1004 drainage material. 1000 <br /> 2800 1002 <br /> 3000 1005 <br /> 3200 1006 <br /> 3400 1003 0 <br /> 3600 1 1005 0 1000 2000 3000 4000 <br /> 3800 1004 DISPLACEMENTS,(.001"/div.) <br /> &yX,93 t8a <br />