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ADVANCED EARTH SCIENCES - FOOTHILL SANITARY LANDFILL <br />SINGLE INTERFACE DIRECT SHEAR TESTING (ASTM D 6243) <br />Upper Shear Box: Foundation soil compacted to approximately 90% of max dry density at OMC + 4% ( ydn,ax = 98.5 pcf, OMC = 23.0%) against <br />Bentoliner NWL45 GCL (Lot 25051811, Roll #502252695, peel = 58.1 lbs, upper surface wetted by spraying distilled water) with heat -burnished side up against foundation soil <br />Lower Shear Box: Concrete sand <br />0 4- <br />0.0 <br />0.8 1.6 2.4 <br />Displacement (in.) <br />3.2 <br />1:)Uuv <br />12000 <br />T, <br />6000 <br />d <br />s <br />3000 <br />0+ <br />0 <br />Shear Strength 6 a R2 <br />Parameters (2) (de) (psf) <br />Peak <br />LD <br />O Peak ❑ LD <br />Normal stress (psf) <br />N <br />i <br />Test Shear <br />10000 <br />No. Box Size <br />1F <br />in. x in. <br />8000 <br />C <br />1 12000 1 0.04 1 12000 16 1195 <br />v7 <br />6000 <br />L <br />C/1 <br />n <br />L <br />d <br />4000 <br />s <br />2000 <br />0 4- <br />0.0 <br />0.8 1.6 2.4 <br />Displacement (in.) <br />3.2 <br />1:)Uuv <br />12000 <br />T, <br />6000 <br />d <br />s <br />3000 <br />0+ <br />0 <br />Shear Strength 6 a R2 <br />Parameters (2) (de) (psf) <br />Peak <br />LD <br />O Peak ❑ LD <br />Normal stress (psf) <br />N <br />i <br />Test Shear <br />Normal Shear Soakin in Distilled Water Consolidation Lower Soil Foundation Soil GCL Shear StrengthFailure <br />No. Box Size <br />Stress Rate Stress Time Stress Time Yd <ni 04 Yd wi 04 w OfTP TLD Mode <br />in. x in. <br />s in./min s hour s hour c % % c % % % 0, s s <br />IF 12 x 12 <br />1 12000 1 0.04 1 12000 16 1195 <br />NOTES: <br />(1) GCL internal failure. <br />S 14010-34.ds.xls <br />DATE OF REPORT: 6/22/2015 <br />FIGURE NO. B-1 b <br />PROJECT NO. SGI14012 <br />