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Vector Engineering Inc. LARGE SCALE DIRECT SHEAR REPORT <br /> 143E Spring Hill Drive,Grass Valley,CA 95945 (530)272-2448 Test Method D-5321 A <br /> LABORATORY SERVICES <br /> Report Date: June 2,2003 <br /> sclierIN-me: LEWIS ENGINEERING INC. Project Name: FORWARD LANDFILL, WMU FU-03 Project No 021713.01 <br /> Superstrate: <br /> Material 1 <= GSE 12 oz Geotextile(to textured side of HDPE) LsN 885A Camped <br /> Material 2: GSE 60 mil HDPE Textured I Smooth tsN: 885B Camped <br /> Substrate: <br /> —PEAK STRENGTH 10000 <br /> I <br /> Test Normal Shear Secant <br /> Point Stress Stress Friction <br /> psi psf psf Angle 8000 <br /> 1. 13.9 2000 1270 32 <br /> 2. 27.8 4000 2430 31 <br /> 3, 55.6 8000 4580 30 a <br /> 4. 83.3 12000 6860 30 N 6000- <br /> U) <br /> W <br /> ct <br /> F- <br /> U) <br /> ir <br /> W 4000 <br /> Adhesion: 170 psf = <br /> Friction Angle: 29 degrees <br /> 2000 <br /> Coefficient of <br /> 0.56 <br /> Friction: <br /> 0 <br /> 0 2000 4000 6000 8000 10000 12000 <br /> *===NTE:GRAPH NOT TO SCALE NORMAL STRESS(psf) <br /> STRENGTH ENVELOPE 10000 <br /> at 2.5 in.dis lacement <br /> Test Normal Shear Secant <br /> Point Stress Stress Friction <br /> psi psf psf Angle 8000- <br /> 1. 13.9 2000 770 21 <br /> 2. 27.8 4000 1380 19 <br /> 3. 55.6 8000 2670 18 a <br /> 4. 83.3 12000 3450 16 U) 6000 <br /> W <br /> w <br /> t- <br /> ty <br /> W 4000 <br /> Adhesion: 300 psf = <br /> U) <br /> Friction Angle: 15 degrees <br /> 2000 <br /> CoeKicient of 0,27 <br /> Friction: <br /> 0- <br /> 0 2000 4000 6000 8000 10000 12000 <br /> NORMAL STRESS(psf) <br /> NOTE:GRAPH NOT TO SCALE <br /> These results apply only to the above listed samples/materials.The data and information are proprietary and cannot be released without authorization of Vector Engineering Inc. <br /> By accepting the data and result represented on this page,Client agrees to limit the liability of Vector Engineering,Inc.from client and all other parties for claims arising out of use of this <br /> data to the cost for the respective test(s)represented hereon,and Client agrees to indemnity and hold harmless Vector from and against all liability in excess of the aforementioned limit. <br /> abexcel I Projects 1 1902 1 021713 1 885C-Isds Entered By: KRC Print Data 06110103 RevBy: Lab Log: <br /> CN:LSDS-rp(rev 0, 03/24103) 8850 <br /> Page 1 of 2 <br />