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f M. <br /> Falling Head Permeability <br /> ASTM D 5084 <br /> Cooper Testing'Lab, Inc. <br /> Job No: 258-01 d Boring:- 'SB-6 ' Date: 97/02/96 . <br /> Client: Geological Technics Sample: By: DC <br /> Project: 251 .2 Depth: 31-31.5' <br /> Soil: brown silty SAND <br /> Sample Pressures: Max.;Hydraulic <br /> Cell: 70 psi Bot. Cap: 66 psi Top Cap: 64 psi Gradient: 24 <br /> Elapsed Time (min) Head, (cm) Permeability cm/sec <br /> 0 180.67 Start of Test <br /> 49 179.57 . - 2.6 x 10E-7 <br /> 876 158.37 3.3 x 10E=7 <br /> 0 179.17 <br /> f 76 177.67 2.4 x 10E-7 <br /> 298 171 .77 2.9 x 10E-7 <br /> 402 169.37 2.8 x 10E-7 <br /> I 1500 145.57- 2.9 x 10E-7 <br /> Average Permeability: 3 x 10E-7 cm/sec <br />° Sample Data: Initial 'Final <br /> Height, in.: 3.01 3.03 <br /> Diameter, in.: 1.93 1 .92 <br /> Area, int: 2.93 2.90. <br /> I Volume, in3: 8.81. 8.79 <br /> Total Volume, cc: 144.30 . 144.07 <br /> Vol of Solids, cc: 91.47 91..47 <br /> Vol. of Voids, cc: 52.83 52.60 <br /> Void Ratio: 0.58 0.58 <br /> Porosity, %: 36.61.1 36.51 <br /> Saturation, % 91 .04 . -95.06 <br /> Sp.'Gravity: 2.79 2.79 <br /> Wet Weight, gm: 303.3 305.2 <br /> Dry:Weight, gm: 255.2 265.2 <br /> Tare, 9 m: .0.00, 0.00 <br /> Moisture, %: 18.8 19.6 <br /> l Dry Density, pcf: 110.4. 110.5 <br /> Remarks: <br /> fr . <br />