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Vector Engineering Inc. <br />143E spring HAF Drh% Grass Varey. CA 95945 (530) 272-2448 <br />LABORATORY SERVICES <br />"ame: FORWARD INC. <br />MethodLARGE SCALE DIRECT SHEAR REPORI <br />Test D-5321 -B <br />PA#ect Ift- FORWARD <br />esite Roll # 131149460 net to smooth side of HDPE <br />'E T/S Roll # 103126415, Texture to GCL <br />torr Dare. Revised 7/12/ <br />FU -04 ProledNo: 021605.041 <br />1197C Clampe <br />1197D Floating <br />Materlal2. c=* GCL Roll # 18173, Unburnished to HDPE Ls% 1197F Rasp Board <br />DISPLACEMENT 3000 . <br />vs. SHEAR STRESS <br />Te' -s -i -F Normal <br />Point Stress <br />25M <br />1. 6.9 <br />1000 <br />------- - <br />2. 17.4 <br />2500 <br />i <br />3. 34.7 <br />5000 <br />92000 <br />4. 69.4 <br />10000 <br />co <br />1500 <br />C0 <br />MOISTURE DATA: <br />I <br />071000 <br />500 <br />0 <br />0.0 <br />/ <br />i <br />r <br />------- - <br />• ._.._.__..._....... .. -- -.l--- - <br />i <br />t <br />i <br />1 <br />I <br />E <br />� <br />0.5 1.0 1.5 2.0 2.5 3.0 <br />HORIZONTAL DISPLACEMENT (inches) <br />STANDARD CONDMONS: SHEAR DISPLACEMENT RATE. 0.041n/min <br />1. The "gap" between shear boxes was set at 80 mil (2.0 mm) <br />2. The test specimens were flooded during testing unless otherwise noted. <br />3. High Normal Stresses, >5psi (35 kPa) was applied using air pressure. <br />4. Low Normal Stresses, <5psi (35 kPa) was applied using dead weights. <br />5. The tests were terminated after 3.0"(75 mm) of displacement unless otherwise noted. <br />6. Tests were performed In general accordance with ASTM procedure D-5321 using a Brainard-Killman LGA 12 direct shear machine <br />with an effective area of 12" x 12" (300 x300 mm). <br />TEST ORIENTATION. g NORMAL STRESS g GEOCOMPOSITE <br />TOP BOX WITH BOARD SPACERS GEOMEMBRANE <br />GCL <br />TMTnrrri <br />BOTTOM BOX W1 RIGID SUBSTRATE Asperity Height: 0.023 in. <br />SPECIAL TEST NOTES: <br />1. Each specimen of geocomposite, geomembrane and GCL was cut to 14" x 20" and secured as specified to its respective position. <br />2. Each GCL specimen was hydrated for 20 hours at a 125 psf normal stress, then consolidated. <br />3. Each test specimen was consolidated for 16 hours at the specified normal stress, then sheared. <br />4. The test was performed in a "wet" or "flooded" condition. <br />5. Shearing occurred at the interface of the geocomposite and geomembrane specimens. <br />6. The Friction Angle and Adhesion (or Cohesion) results given here are based on a mathematically determined best fit line. <br />Further interpretation should be conducted by a qualified professional experienced in geosynthetic and geotechnical engineering. <br />These results apply only to the above listed samples /materials. The data and information are proprietary and cannot be released :vdhout authorization d Vector Engineering Inc <br />6y accepting the data and rescan represented on this page. Client agrees to land the liabidy of Vector Engweer g. inc. from dierd and an other parties for claims arising out of use of fhb <br />date to me cost for the respedwe fest(s) represented hereon. and Client agrees to Andemmly and hold harmless Vector from ;rid against an Gatddy In excess of the aforementioned irnit <br />Ltabexcel l Projects 1 2002 1 021605 1 11971-LSOS-rp Entered By- CLL Print Date: 07/12'04 14pv. ey:�i Lab Log. <br />DCN: LSDS-rp (rev., 03101/04) Pan� <br />Pane 9 of 9 VV - <br />