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Geosynthetic Interface Test - ASTM D 5321, Method B <br />300mm Shear Device, 8.0 in. x 8.0 in. Insert <br />Valley Leach Facility - Cnpple Creek & Victor <br />Smith Williams Consulting <br />Project No. DV108 -130.7 <br />SWTP -99 vs 80 mil Text HDPE vs. Overliner (Composite) <br />7200 psf Normal Stress 14400 psf Normal Stress 21600 psf Normal Stress 28800 psf Normal Stress <br />Horiz. Horiz. Shear Shear Horiz. Horiz. Shear Shear Horiz. Horiz. Shear Shear Horiz. Horiz. Shear Shear <br />Displ. Displ. Force Stress Displ. Displ. Force Stress Displ. Displ. Force Stress Displ. Displ. Force Stress <br />inches mm lbs psf inches mm lbs psf inches mm lbs psf inches mm lbs psf <br />2.612 66.345 1530 2375 1.918 50.724 4370 9788 2.494 63.348 5160 11610 <br />1.963 51.867 4350 9743 2.527 64.186 5140 11565 <br />2.009 53.035 4320 9675 2.559 64.999 5120 11520 <br />2.056 54.229 4300 9630 2.592 65.837 5130 11543 <br />2.103 55.423 4280 9585 <br />2.148 56.566 4270 9563 <br />2.195 57.760 4250 9518 <br />2.241 58.928 4250 9518 <br />2.289 60.147 4240 9495 <br />2.336 61.341 4240 9495 <br />2.382 62.509 4230 9473 <br />2.428 63.678 4230 9473 <br />2.475 64.872 4230 9473 <br />2.520 66.015 4220 9450 <br />Normal Stress, psf 7,200 14,400 21,600 28,800 <br />15mm shear stress 2313 7223 12285 13073 <br />30mm shear stress 2203 7065 11025 12758 <br />45mm shear stress 2125 6390 10080 12195 <br />60mm shear stress 2313 6075 9495 11700 <br />8/7 Knight Pi' and Co. 108 -130 -7 Cripple Cre 2 <br />