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Leighton <br />EXPANSION INDEX Of SOILS <br />ASTM D 4829 <br />Project Name:The Academy Tested By:S. Felter Date:10/18/11 <br />Project No. :603284-001 Checked By: J. Ward Date:10/20/11 <br />Boring No.:B-1 Depth (ft.)0-5 <br />Sample No. :BB-1 <br />Soil Identification:Ught brown silty sand (SM) <br />Dry Wt. of Soil + Cont. (g) 1000.00 <br />Wt. of Container No. (g) 0.00 <br />Dry Wt. of Soil (g) 1000.00 <br />Weight Soil Retained on #4 Sieve 0.00 <br />Percent Passing # 4 100.00 <br />MOLDED SPECIMEN Before Test After Test <br />Specimen Diameter (in.)4.01 4.01 <br />Specimen Height (in.)1.0000 1.0020 <br />Wt. Comp. Soil + Mold (g)607.60 435.45 <br />Wt. of Mold (g) 191.90 0.00 <br />Specific Gravity (Assumed)2.70 2.70 <br />Container No. 0 0 <br />Wet Wt. of Soil + Cont. (g)831.00 627.35 <br />Dry Wt. of Soil + Cont. (g)765.90 575.07 <br />Wt. of Container (g) 0.00 191.90 <br />Moisture Content (%)8.50 13.64 <br />Wet Density (PCD 125.4 131.1 <br />Dry Density (Pcf)115.6 115.3 <br />Void Ratio 0.459 0.461 <br />Total Porosity 0.314 0.316 <br />Pore Volume (CC)65.1 65.5 <br />Degree of Saturation (%) [ S meas]50.0 79.8 <br />SPECIMEN INUNDATION in distilled water for the period of 24 h or expansion rate < 0.0002 in./h <br />Date Time Pressure (psi)Elapsed Time Dial Readings <br />(min.)(in.) <br />10/18/11 11:00 <br />10/18/11 11:10 <br />1.0 0 0.1100 <br />1.0 10 0.1100 <br />Add Distilled Water to the Specimen <br />10/18/11 13:21 1.0 131 0.1130 <br />10/19/11 6:11 1.0 1141 0.1120 <br />10/19/11 6:51 1.0 1181 0.1120 <br />Expansion Index (EI meas) = ((Final Rdg - Initial Rdg) / Initial Thick.) x 1000 2