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Vector Engineering Inc. LARGE SCALE DIRECT SHEAR REPORT <br />143E spring HNDd e. Gress valley. CA 95945 (530) 272-2448 Test Method D-5321 A <br />LABORATORY SERVICES <br />Report Date: Jude 2. 2003 <br />_:eM Name: LEWIS ENGINEERING INC. Project Name: FORWARD LANDFILL, WMU FU -03 project Nor 021713:01 <br />superstlate: C= <br />Materia": <=GSE 12 oz Geotextile (to textured side of HDPE} LSN: <br />885A Clamaed <br />8858 <br />Substrate: <br />r-1 <br />z000 <br />0 <br />0 2000 4000 6000 8000 10000 12000 <br />NORMAL STRESS (psf) <br />STRENGTH ENVELOPE <br />PEAK STRENGTH <br />10000 <br />at 2.5 in. dis lacemenl <br />Test Normal Shear Secant <br />Test <br />Normal <br />Shear <br />Secant <br />Point <br />Stress <br />Stress <br />Friction <br />2. 27.8 4000 1380 19 <br />psi psf <br />psf <br />Angle <br />8000- <br />1. <br />13.9 2000 <br />1270 <br />32 <br />2. <br />27.8 4000 <br />2430 <br />31 <br />1 1 <br />3. <br />55.6 8000 <br />4580 <br />30 <br />a <br />Adhesion: 300 psf <br />W4000 <br />= <br />4. <br />83.3 12000 <br />6860 <br />30 <br />6000 <br />2000 <br />Coefficient of <br />U) <br />w <br />Friction: 0'27 <br />Of <br />o <br />0 2000 4000 6000 8000 innnn <br />in <br />rn <br />tz <br />4000 <br />Adhesion: <br />170 <br />psf <br />z <br />Friction Angle: 29 degrees <br />Coefficient of 0.56 <br />Friction: <br />NOTE: GRAPH NOT TO SCALE <br />z000 <br />0 <br />0 2000 4000 6000 8000 10000 12000 <br />NORMAL STRESS (psf) <br />STRENGTH ENVELOPE <br />10000 <br />at 2.5 in. dis lacemenl <br />Test Normal Shear Secant <br />Point Stress Stress Friction <br />psi s/ psif An 1e <br />6000 <br />1. 13.9 2000 770 21 <br />2. 27.8 4000 1380 19 <br />3. 55.6 8000 2670 18 <br />n <br />4. 83.3 12000 3450 16 <br />N <br />6000 <br />to <br />U) <br />Irt- <br />1 1 <br />N <br />tY <br />Adhesion: 300 psf <br />W4000 <br />= <br />Friction Angle: 15 degrees <br />2000 <br />Coefficient of <br />Friction: 0'27 <br />o <br />0 2000 4000 6000 8000 innnn <br />NOTE: GRAPH NOT TO SOME I - - - - ____ _- _ .. ---- w.,.r . 1111 <br />These resuas apply only to the above Ssled samples / metedals. The date and information are proprietary and cannot be re/eesed w4tM�pejjjes ion of V@clor Engineering Inc. <br />By acceOng die data and resu4 represerNed on this page, Chen/ agrees to Amo the fiebdAy o/ Vector EhgkWemg, bK. hon client and a8 ohor Waims arising out of use W this <br />-Qafa to the cost hrr Me respective fest s re resenled hereon, and Crrenl a tees to indeama and how Aamdes; Vector./rom and a Inst a4 cess d the aforementioned Emit. <br />reel 1 Projects 11902 1021713 18850-Isds Entered By: KRC Piiat oats. 06110103 Rev. By <br />L. . LSOS-rp (rev 0. 03/24/03) lab Log: <br />Page 1 012 8850 <br />• <br />• <br />