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APPI'sND[\ 13 <br />The laboratory study consisted of performing: <br />Direct Shear Suength tests, and <br />Moisture Content and Dry Density Tests. <br />" It should be noted that samples obtained using a elrive type sleeve sampler may experience some <br />disturbance during the sampling operations. The test results obtained using these samples are used <br />only as indicators of [hc in situ soil characteristics. <br />TESTING <br />Direct Shear Strength Tests <br />] Direct shear strength properties of sleeve samples were evaluated in general accordance with <br />testing procedures dclined by ASTM Tcst Method D3080. The direct shear strength tests were <br />1 performed on sleeve sample obtained from the material source. Our analysis was based on an <br />angle of internal friction (phi) of Uventy live (25) degrees and a cohesion of two hundred and fdq~ <br />(250) pounds per square foot. <br />Moisture Content and Dry Density Tests <br />Moistwe content and dry density were determined for each sample te::ed of the samples <br />obtained. The moisture content was determined according to ASTM 'test Nlethod D2216 by <br />1 obtaining the moisture sample from the drive sleeve. The dry density of the sample was <br />determined by using the wet weight of the entire sample tested. The results of the moisture and <br />l dry density determinations are presented on the lo~~ of the test borings, Figures A2 through A5. <br />1 <br />i!rZllllhl'1'~ ally i15 ~Dti~l11'S <br />COIJSUL9'1 IIG GEUTEC HIIICAL ENGINEERS <br />Ah1U f4ATEPI ALS TESTING <br />