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C7 <br />7RIAXIAL COMPRESSION TEST <br />CU with Pore Pressures <br />7/1/07 <br />NWCC <br />6 MN POND <br />DV108-27.6 <br />TH-3 <br />8' <br />7/8/2007 <br />11:03 AM <br />Remarks: Failure tangent drawn at approximately 20% strain. Specimen 2 cell valve closed at test. Pore <br />pressure readings were erroneous. <br />Type of Sample: Cal liner <br />Assumed Specific Gravity_2.72 LL_ PLo Pi= <br />Test Method: COE uniform strain <br />_ Parameters fioY :-~cimen t~a~1 <br />- - Y _,~, ,,:-' <br />,.,. <br />- ~' <br />Specimen Parameter Initial T <br />Saturated Consolidated Finai <br />Moisture content: Moist soil+tare, gms. 383.$30 772.500 <br />Moisture content: Dry soil+tare, gms. 306.790 700.900 <br />Moisture content: Tare, gms. 0.000 394.110 <br />Moisture, °k 25.1 25.4 23.9 23.3 <br />Moist specimen weight, gms. 383.8 <br />Diameter, in. 1.93 1.93 1.91 <br />Area, in? ~ 2.93 2.93 2.88 <br />Height, in. 3.98 3.98 3.95 <br />Net decrease in height, in. 0.00 0.03 <br />Wet Density, pcf 125.6 125.9 127.5 <br />Dry density, pcf 100.4 100.4 102.9 <br />Void ratio 0.6917 0.6917 0.6498 <br />Saturation, % 98.8 100.0 100.0 <br />~., ~_ _ ~_ ~-_ Test Readinp~ci~ie_ti No 1 ~_~ :~;.~.'~ ,~ ~r: ., r <br />Membrane modulus = 0.124105 kN/ctn2 <br />Membrane thickness = 0.064 cm <br />Consolidation cell pressure .48.70 psi (7.01 ksf) <br />Consolidation back pressure ~ 40.00 psi (5.76 ksf) <br />Consolidation effective confining stress .1.25 ksf <br />Strain rate, %/min.. 0.04 <br />Fait. Stress .3.68 ksf at reading no. 39 <br />Date: <br />Client: <br />Project: <br />Project No.: <br />Location: <br />Depth: <br />Description: <br />Knight Piesold Geotechnical Lab. <br />