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Tested By: JDH Checked By: JDBCursory interpretations provided require review by a professional engineer. Knight Piesold accepts no responsibility in subsequent analyses.Client: Newfields <br />Project: East Cresson Overburden Storage Area (ECOSA) <br />Location: Overburden (Bulk Sample) <br />Proj. No.: DV108-305/05 Date Sampled: 8/3/16 <br />Sample Type: Tamped with nominal effort <br />Description: <br />Assumed Specific Gravity= 2.7 <br />Remarks:Failure chosen at 10% strain. Test was <br />inundated. Gap = 0.4. Particles larger that 3/4" <br />were removed and replaced with finer grasvel <br />prior to test. Area correction applied per client. <br />Figure <br />Specimen No. <br />Water Content, % <br />Dry Density, pcf <br />Saturation, % <br />Void Ratio <br />Side Length, in. <br />Height, in. <br />Water Content, % <br />Dry Density, pcf <br />Saturation, % <br />Void Ratio <br />Side Length, in. <br />Height, in. <br />Normal Stress, psf <br />Fail. Stress, psf <br /> Strain, % <br />Ult. Stress, psf <br /> Strain, % <br />Strain rate, in./min.InitialAt TestShear Stress, psf0 <br />5000 <br />10000 <br />15000 <br />20000 <br />25000 <br />30000 <br />Strain, % <br />0 5 10 15 20 <br />1 <br />2 <br />3Fail. Stress, psf0 <br />10000 <br />20000 <br />30000 <br />Normal Stress, psf <br />0 10000 20000 30000 40000 50000 60000 <br /> C, psf <br /> , deg <br /> Tan() <br /> Results <br />361 <br />41.4 <br />0.88 <br />1 <br />2.0 <br />99.2 <br />7.8 <br />0.6990 <br />8.00 <br />4.80 <br />18.7 <br />112.1 <br />99.9 <br />0.5042 <br />8.00 <br />4.25 <br />20000 <br />18205 <br />10.1 <br />0.01 <br />2 <br />2.0 <br />101.3 <br />8.2 <br />0.6636 <br />8.00 <br />4.70 <br />17.4 <br />114.7 <br />100.0 <br />0.4699 <br />8.00 <br />4.15 <br />10000 <br />8514 <br />9.9 <br />0.01 <br />3 <br />2.0 <br />101.3 <br />8.2 <br />0.6636 <br />8.00 <br />4.70 <br />19.4 <br />110.7 <br />100.2 <br />0.5220 <br />8.00 <br />4.30 <br />5000 <br />5206 <br />10.1 <br />0.01