Laserfiche WebLink
• I e" ries #" s n w e vovr L_ IV I/-%I—e IIVta. <br />A Texas Research International Company <br />1111 <br />INTERFACE FRICTION TEST REPORT <br />eent: Holdrege & Kull TRI Log#: E2128-56-09 <br />Project: Forward Landfill Test Method: ASTM D 5321 <br />Test Date: 6110-6/13101 <br />Tested Interface: Clay Soil vs. Single -Sided Textured Geomembrane vs. Drainage Rock <br />16000 <br />f 12000 <br />10000. <br />N <br />6000. <br />VD 0000 <br />3 <br />E 4000 <br />2000 <br />o <br />0 5000 10000 15000 20000 <br />Normal Stress (psf) <br />•—MUM%^ 31160 Sraem (uAser FRI <br />Trial Number <br />Bearing Slide Resistance (lbs) <br />Normal Stress (psf) <br />Maximum Shear Stress (psf) <br />Corrected Shear Stress (psf) <br />Secant Angle (degrees) <br />Upper Box: Drainage rock <br />Floating: Single -sided textured geomembrane <br />(textured side to clay) <br />Lower Box: Clay sol compacted to 99.9 pcf at <br />19.3 % moisture content (90 % maximum <br />dry density at + 3% of optimum moisture content <br />as determined by a modified Proctor test). <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 />46 <br />1043 <br />4214 <br />5136 <br />8838 <br />15598 <br />350 <br />1669 <br />1669 <br />3073 <br />6183 <br />338 <br />1652 <br />1652 <br />3045 <br />6135' <br />18.0 <br />21.L__i <br />17.8 <br />1 19.4 <br />1.21.5 <br />RESULTS: Maximum Friction Angle and Y -intercept <br />Regression Friction Angle (degrees): 20.8 <br />Y -intercept or Regression Adhesion (psf): 0 <br />Regression Line: Y= 0.379 ' X+ 0 <br />Regression Coefficient (r squared): 0.988 <br />Notes: 1) The normal stress and shear stress values contain an area comection. Quality Review/Dole <br />2) The regression One Includes the origin. <br />3) Sildloo occurred sttemately along the clay-geomembrane Interface and the drainage rock-geomembrane inteRece. <br />The testing heroin is based upon accepted indualry practice as well as the tact method listed. Tett results reported herein do not apply <br />to 61Imple3 other than those tested. TRI noither accepts responsibility for not makes 016im 03 to the first uoo and purpw a of the material. <br />TRI observes and mointeino client confidentiality. TRI remits reproduction of this report, except In lull. without prior appmval of TRI. <br />9063 Bee Caves Road Austin, TX 78733-6201 (512) 263-2101 (512) 263-2558 1 -800 -880 -TEST <br />