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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: 1 Ward Date:10/20/11 <br />Boring No.:B-4 Depth (ft.)0-5 <br />Sample No. :BB-1 <br />Soil Identification:Brown silty sand (SM) <br />Dry Wt. of Soil + Cont. (g) 1000.00 <br />Wt. of Container No. (g) O.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 1.0025 <br />Wt. Comp. Soil + Mold (g)618.80 433.42 <br />Wt. of Mold (g) 205.20 0.00 <br />Specific Gravity (Assumed)2.70 2.70 <br />Container No. 0 0 <br />Wet Wt. of Soil + Cont. (g)835.60 638.62 <br />Dry Wt. of Soil + Cont. (g)771.60 587.10 <br />Wt. of Container (g) 0.00 205.20 <br />Moisture Content (%)8.29 13.49 <br />Wet Density (pcf)124.8 130.4 <br />Dry Density (pco 115.2 114.9 <br />Void Ratio 0.463 0.467 <br />Total Porosity 0.317 0.318 <br />Pore Volume (CC)65.5 66.1 <br />Degree of Saturation (%) [ S meas]48.3 78.0 <br />SPECIMEN INUNDAT:ION 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 11:23 <br />10/18/11 11:33 <br />1.0 0 0.0570 <br />1.0 10 0.0570 <br />Add Distilled Water to the Specimen <br />10/18/11 13:20 1.0 107 0.0600 <br />10/19/11 6:10 1.0 1117 0.0595 <br />10/19/11 6:50 1.0 1157 0.0595 <br />Expansion Index (EI meas) = ((Final Rdg - Initial Rdg) / Initial Thick.) x 1000 3