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.'f <br /> Falling Head Permeability <br /> ASTM D 5084 . <br /> Cooper Testing Lab, Inc. <br /> Job No: 258-01 c Boring: SB-7 Date: 07/01/96 <br /> Client: Geological Technics Sample: By: DC . <br /> Project: 251 .2 Depth: 22-22.5' <br /> Soil: brown silty SAND <br /> Sample Pressures: Max. Hydraulic <br /> CCell: 80 psi Bot. Cap: 77 psi Top Cap: 77 psi Gradient: 4 <br /> Elapsed Time (min) Head, (cm) .Permeability cm/sec <br /> L. 0 28.0 Start of Test . <br /> 2 20.0 3.4 x 10E-4 <br /> Ik 6 10.2 3.4 x;1 OE-4 <br /> 9 5.9 3.5 x 10E-4 <br /> 12 3.3 3.5 x 10E-4 <br /> 0 28.0 <br /> 1 23.0 3.9 x 10E-4 <br />� Average Permeability: 4 x 10E-4 cm/sec <br />�r Sample Data: initial. Final <br /> Height, in.: 3.01 2.90 <br />? Diameter, in.: 2.36 2.36 <br /> Area, int: 4.37 4.37 <br /> Volume, in3: 13.17 12.69 <br /> Total Volume, cc: 215.76 207.88 <br /> Vol of Solids cc: 124.28 124.28 <br /> Vol. of Voids, cc: 91.48 83.60 <br /> Void Ratio: 0.74 0.67 <br /> E � <br /> Porosity, %: 42.40 „40.22 <br /> Saturation, % 60.12, 98.45' <br /> Sp. Gravity: 2.71 2.71 <br /> Wet Weight, gm: 391 .8 419:1 <br /> Dry Weight, gm: 336.8 336.8 <br /> Tare, gm: 0.00. 0.00 <br /> Moisture, %: 16.3 24.4 <br /> Dry Density, pcf: 97.4 101.1 <br /> Remarks: ` <br />