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30419 <br />w <br />U <br />cr <br />0 <br />cc <br />r.� <br />6 <br />az <br />22000 <br />20000 -- <br />18000 — <br />15000 — <br />14000 -- <br />12000 — <br />10000 — <br />8000 — <br />6000 — <br />4000 — <br />GOLDER ASSOCIATES, INC. <br />INTERFACE DIRECT SHEAR TESTING <br />TEST SERIES NUMBER 1: WETTED CRUSHED ROCK / <br />OVERLINER / 80 —mil GUNDLE SMOOTH VLDPE <br />GEOMEMBRANE / IRON CLAD TAILINGS <br />AS— PLACED TEST CONDITION <br />------ <br />an = 50.0 psi, 7 = 109.0 pcf, = 15.3% <br />- - ----�- a'„ = 100.0 psi, 7 = 109.1 pcf, w, = 15.2:6 <br />an = 150.0 psi, 7,, = 109.1 pcf, w = 15.2% <br />yam--+* a„ = 300.0 psi, 7, = 109.2 pcf, w, = 15.156 <br />2000 — <br />0 , I I i I 1 , l , I F i j i <br />0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 <br />DISPLACEMENT (in.) <br />NOTE: For the tests conducted of normal stresses of 50, 100, and 150 psi, <br />the sheer box size was 12 irr. by 12 in. (300 mm by 300 mm). <br />For the test conducted at 300 psi, tie shear box size wcs 6 in. by <br />6 in. (150 mm by 150 mm). In all of the tests, the contact area <br />remained constant throughout the entire test. <br />0.0 0.2 0.4 0.6 <br />"•`�. GEOSYNTEC CONSULTANTS' <br />GEOMECHANICS AND ENVIRONMENTAL LABORATORY <br />DATE TESTED: 1 SEPTEMBER 1993 <br />FIGURE NO. —I <br />PROJECT N0. GL34-58 <br />DOCUMENT NO. GEL93234 <br />PAGE NO. <br />