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I I i// 1 1Y V I tALtZvm�� IIVIi. <br />A Texas Research International Company <br />11 11PRIV IRISH 11 <br />0INTERFACE FRICTION TEST REPORT <br />ent: Holdreg e $ Kull TRI Logit: E2128-56-09 <br />Project: Forward Landfill Test Method: ASTM D 5321 <br />Test Date: 6110-6/12/01 <br />Tested Interface: GCL vs. Single -Sided Textured Geomembrane vs. Single -Sided Geocomposite <br />14000 <br />12000 <br />10000 <br />v, <br />6000 <br />s <br />N 0000 <br />E <br />E 4000 <br />2000 <br />0 <br />0 5000 10000 15000 20000 <br />Normat Stress. (pso <br />---M .mi Shear Sent (linear rd) <br />Trial Number <br />Bearing Slide Resistance Qbs) <br />Normal Stress (psf) <br />Maximum Shear Stress (pst) <br />Corrected. Shear Stress (psf) <br />Secant Angle (degrees) <br />Upper Box: GCL <br />Floating: Single -sided textured geomembrane <br />(textured side to GC:) <br />Lower Box: GSE single -sided geocomposite <br />(geonet side to geomembrane) <br />Interface Interface soaked and loading applied <br />Conditioning: for a minimum of 24 hours prior to shear <br />Test Condition: Wet <br />Shearing Rate: 0.04 inches/minute <br />1 <br />2 <br />3 <br />4 <br />5 <br />12 <br />17 <br />17 <br />28 <br />48 <br />1276 <br />3005 <br />5480 <br />10547 <br />15196 <br />238 <br />489 <br />1018 <br />1639 <br />2512 <br />224 <br />472 <br />1001 <br />1511 <br />2464 <br />10.0 <br />1 8.9 <br />1 10.4 <br />1 6.2 1 <br />L2LA <br />RESULTS: Maximum Friction Angle and Y -intercept <br />Regression Friction Angle (degrees): 8.8 <br />Y -Intercept or Regression Adhesion (psf): 32 <br />Regression Una: Y= 0.155 ' X 4 32 <br />Regression Coefficient (r squared): 0.986 <br />- x16%' <br />ovelity Review/Dalt <br />Notes: 1) The normal stress and shear stress values contoin on area correc(ion. <br />2) Sliding occurred A the geocomposito-goomombrane intertace. <br />The tesUAQ herein is based upon accepted industry practice as well as the test method listed. Test results reported herein do not apply <br />to samples other than those tested. TRI neither aecepb responsibility tot nor mak" claim or, to the final use and purpose of the material. <br />TRI observes and maintain& client confidentiality. TRl limits reproduction of this report. except in full, * ilhout prior approval of TRI. <br />9063 Bee Caves Road Austin. TX 78733-6201 (512) 263.2101 (512) 263-2558 1 -800 -880 -TEST <br />11 <br />