2010-11-15_REPORT - M1980244 (3)

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• CC -V Perms REV M.xls FLEXIBLE WALL PERMEABILITY TEST ASTM D 5084 -03 Falling Head/Increasing Tailwater Pressure CLIENT: AMEC PROJECT: CC &V PROJECT NO.: 108 -130.9 BORING NO. LAB NO. : L29018 DEPTH SAMPLE ID: 29018 -16 SAMPLE NO. SLF -39 -R TEST STARTED : 06/02/09 SAMPLE TYPE Remolded, 95% MDD, OMC TEST FINISHED : 06/09/09 CONF. PRESSURE. (psi) 5 SATURATED TEST: YES MOISTURE/DENSITY BEFORE AFTER DATA TEST TEST Wt. Soil + Moisture (g) 640.90 656.90 Wt. Wet Soil & Pan (g) 685.80 851.90 Wt. Dry Soil & Pan (g) 625.10 754.90 Wt. Moisture Lost (g) 60.70 97.00 Wt. of Pan Only (g) 194.80 195.00 Wt. of Dry Soil (g) 430.30 559.90 Moisture Content % 14.1 17.3 Wet Density (pcf) 131.0 145.2 Dry Density (pcf) 114.8 123.8 Init. Diameter (in) 2.874 (cm) 7.300 Init. Area (sq in) 6.487 (sq cm) 41.853 Init. Height (in) 2.872 (cm) 7.295 Height Change (in) 0.017 (cm) 0.042 Consol. Height (in) 2.855 (cm) 7.252 Area After Consol. (sq in) 6.035 (sq cm) 38.941 Vol. Before Consol. (cu ft) 0.01078 Specific Gravity 2.6 Vol. Before Consol. (cc) 305.3 Assumed? Yes Change in Vol. (cc) 2 Cell Exp. (cc) 0.0 Init. Saturation 90.0 Vol. After Consol. (cc) 282.4 Init. Void Ratio 0.418 Vol. After Consol. (cu ft) 0.00997 Final Saturation 100.0 Effective Porosity % 29.24 Final Void Ratio 0.311 Pressure Difference (psi): 0.00 C = 0.06753 Buret Constant, a 0.315 k, cm/s = (C /t) *log(hl/h2) Permeability Test Trials Time Cap Pedestal Elevation Total Permeability Elevation Elevation Head Head k min. cc cc cm cm cm /sec 0.0 56.6 1.3 55.3 57.0 56.2 1.6 54.6 61.0 55.9 1.9 54.0 54.0 55.6 2.2 53.4 67.0 55.3 2.6 52.7 136.0 54.6 3.3 51.3 General Test Notes: I) Tap water was used as the permeant. 2) Back pressure saturation continued until 'B' parameter a minimum of 0.95. 55.3 54.6 54.0 53.4 52.7 51.3 1.1E -07 8.9E -08 1.0E -07 9.6E -08 9.7E -08 Avg.of Last 4 Rdgs. 9.9E -08 Knight Piesold 10/7/2010