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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: August 25, 2006 <br />*.me: FORWARD INC. ProjectName: FORWARD FU -06 CQA Project No: 021605.07 <br />Superstrate: G'= Grip Board <br />Material 1: <= Geotextile, unburnished towards HDPE LSN: AHX Grip Board <br />Material 2: GSE HDPE 60 mil, Roll# 4247, Double texture LSN: AID Clamped <br />Substrate: Concrete board <br />PEAK STRENGTH <br />15000 <br />Test <br />Normal <br />Shear <br />Secant <br />Point <br />Stress <br />Stress <br />Friction <br />psf <br />Angle <br />12000--- <br />2000 —1. <br />psi <br />psf <br />1. <br />13.9 <br />2000 <br />1270 <br />32 <br />2. <br />27.8 <br />4000 <br />2190 <br />29 <br />1 <br />3. <br />55.6 <br />8000 <br />3570 <br />24 <br />a <br />4. <br />83.3 <br />12000 <br />6140 <br />27 <br />U) 9000 <br />------- <br />— <br />W <br />W <br />W <br />a 6000--- <br />W-- <br />-- <br />-- <br />---- <br />Adhesion: 210 psf <br />Friction Angle: 25 degrees <br />3000 -------- <br />---- <br />— <br />Coefficient of <br />0.47 <br />Friction: <br />0 <br />0 3000 <br />6000 <br />9000 <br />12000 <br />15000 <br />18000 <br />NORMAL STRESS <br />(psf) <br />NOTE: GRAPH NOT TO SCALE <br />STRENGTH ENVELOPE <br />15000 <br />(at 3.0 in. displacement) <br />Test <br />Normal <br />Shear <br />Secant <br />Point <br />Stress <br />Stress <br />Friction <br />psi <br />psf <br />psf <br />Angle <br />12000 <br />---------- ----- -- <br />----- - <br />1. <br />13.9 <br />2000 <br />830 <br />23 <br />2. <br />27.8 <br />4000 <br />1230 <br />17 <br />3. <br />55.6 <br />8000 <br />2290 <br />16 <br />4. <br />83.3 <br />12000 <br />2970 <br />14 <br />(n 9000 <br />----..- _ .____________ __ __________— <br />W <br />W <br />Q 6000 <br />Adhesion: 400 psf <br />= <br />W <br />I <br />Friction Angle: 12 degrees <br />I <br />3000 <br />Coefficient of <br />0.22 <br />Friction: <br />0 <br />0 3000 6000 9000 12000 15000 18000 <br />NORMAL STRESS (psf) <br />NOTE: GRAPH NOT TO SCALE <br />ts 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 e 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 />71he <br />data lot the respective test(s) represented hereon. and Client agrees to indemnity and hold harmless Vector from and against all liability in excess of the aforemenlioned limit. <br />L:Labexcel I Projects 1 2002 1 021605 1 19Z6U-L'5U,1,-rp Fnlered Btc LM Pint Cate: U91WI(lb Rev. Ba Lai) Log: <br />f:)C:N ��. <br />19"9?6[) <br />