2008-10-08_REVISION - M2006080 (5)

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FLEXIBLE WALL PERMEABILITY TEST ASTM D 5084-00 Falling Head / Increasing Tailwater Pressure - Method C CLIENT: Lyman Henn PROJECT: Loveland Ready Mix Slurry Wall PROJECT NO. DV 108-159.03 BORING NO. SB-93 LAB NO. : L28037 DEPTH SAMPLE ID: SAMPLE NO. Perm # 6 TEST STARTED 06/09/08 SAMPLE TYPE Remolded, Slurry TEST FINISHED: 06/17/18 CONF. PRESSURE. (psi) 10 SATURATED TEST: YES MOISTUREIDENSITY BEFORE AFTER DATA TEST TEST Wt. Soil + Moisture (g) 1658.50 1539.80 Wt. Wet Soil & Pan (g) 2732.20 1733.30 Wt. Dry Soil & Pan (g) 2157.00 1481.60 Wt. Moisture Lost (g) 575.20 251.70 Wt. of Pan Only (g) 260.10 193.50 Wt. of Dry Soil (g) 1896.90 1288.10 Moisture Content % 30.3 19.5 Wet Density (pct) 120.1 127.0 Dry Density (pcf) 92.2 106.2 Init. Diameter (in) 4.042 (cm) 10.267 Init. Area (sq in) 12.832 (sq cm) 82.785 Init. Height (in) 4.100 (cm) 10.414 Height Change (in) 0.200 (cm) 0.508 Consol. Height (in) 3.900 (cm) 9.906 Area After Consol. (sq in) 11.846 (sq cm) 76.430 Vol. Before Consol. (cu ft) 0.03045 Specific Gravity 2.60 Vol. Before Consol. (cc) 862.1 Assumed? Yes Change in Vol. (cc) 105.0 Cell Exp. (cc) 0.0 Init. Saturation 103.6 Vol. After Consol. (cc) 757.1 Init. Void Ratio 0.740 Vol. After Consol. (cu ft) 0.02674 Final Saturation 99.8 Effective Porosity % 43.23 Final Void Ratio 0.528 Pressure Difference (psi): 3.73 C = 0.04759 Buret Constant, a 0.319 k, cm/s = C/t'log(hI/h2) Buret Stand 20 Permeability Test Trials Time Cap Pedestal Elevation Total Permeability Elevation Elevation Head Head k min. cm cm cm cm cm/sec 0.0 39.3 2.3 37.0 299.3 405.0 35.9 5.1 30.8 293.1 1.8E-08 901.0 28.8 11.2 17.6 279.9 1.8E-08 257.0 26.8 12.7 14.1 276.4 1.7E-08 265.0 25.2 14.5 10.7 273.0 1.6E-08 Avg. of last 4 rdgs: 1.6E-08 General Test Notes: 1) Tap water was used as the permeant. 2) Back pressure saturation continued until 'B' parameter a minimum of 0.95. DVI08-159-3 Slurry Wall Pc=.xls Knight Nsold 7/172008