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Knight Piesold <br />C O N S U L T I N G <br />Project CC & V Project No. DV108- 00130/11 <br />Client AMEC Activity L100 <br />Sample No. Tailing Composite (C -1) Lab No. L2011 -003 <br />Depth NA ID Tested By db <br />Checked By spb <br />Dry Density, pcf <br />Moisture Content, % <br />Side Length, in. <br />Height, in. <br />Void Ratio, e <br />General Test Notes: <br />Direct Shear Test Data <br />ASTM D 3080 <br />Sample Information <br />Initial Parameters Post Test Parameters <br />1 2 3 1 2 3 <br />95.5 95.5 95.5 <br />20.2 20.2 20.2 17.4 15.4 15.2 <br />6.000 6.000 6.000 <br />4.000 4.000 4.000 <br />0.777 0.777 0.777 <br />30000 <br />27000 <br />24000 <br />21000 <br />cn <br />0 . 18000 <br />N <br />co <br />15000 <br />co <br />t - 12000 <br />co <br />9000 <br />6000 <br />3000 <br />0 <br />Strength Envelope Interpretation <br />y = 0.4481 x + 2505.9 <br />R = 0.9977 <br />0 6000 12000 18000 24000 30000 36000 42000 48000 54000 60000 <br />Normal Stress, psf <br />Not to Scale <br />Specimens were not inundated during consolidation or shear displacement <br />Specimens were remolded to approximately 90% of the MDD at 5 percent above OMC <br />Shear strength tangent selected at peak shear stress <br />2/8/2011 Knight Piesold and C& -V High Stress Direct Shear Report.xlsReport <br />