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Y � <br /> SURCHARGE 'COMPRESSION TESTS <br /> ( 2. 5" dia x 1- thick specimen; 24-hr saturation at indicated surcharge) <br /> Initial Final <br /> Boring/Sample Surcharge Dry Density Moisture Moisture Compression <br /> (Psf) (Pct) M M M ., <br /> 5/1 500 112 16 17 0. 4 <br /> 5/1 2500 109 16 17 1. 9 <br /> 7/1B 250 108 19 18 0 . 6 <br /> 7/1B 1000 107 19 18 1. 8 <br /> 7/1B 2000 106 19 18 3 . 4 <br /> SUMMARY OF DIRECT SHEAR TESTS <br /> Boring/ Test Normal Peak Values <br /> Ultimate Values <br /> Same Condition Stress Shear Stress Dis2lacement Shear Stress DxsPlacement <br /> (P.sf) (Psf) ( ins) (Pst) ( ins) . <br /> 4/3 1 1000 795 .140 --- --- <br /> 5/1 2 500 888 . 050 374 . 250 <br /> 5/1 2 2500 2216 . 110 2010 . 250 <br /> y, 7/1B 2 250 402 .100 309 . 250 <br /> 7/1B 2 1000 813 .120 <br /> 785 250 <br /> 2 2000 1075 .190 -.--- <br /> ALL SAMPLES SHEARED--SPECIMEN TEST CONDITION AS NOTED--IN <br /> 1f STANDARD CIRCULAR SHEAR BOX UNDER STRAIN CONTROL = 0 . 025 INS/MIN. <br /> 'l7 <br /> 'Test Condition w <br /> co <br /> �1,;`Submerged , unconsolidated <br /> 2. Saturated, consolidated at test load <br /> N " � 1 <br /> 171 t 'lid F ti`�rm'�t ia x <br /> w <br />