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°2000 GeoSyntee Consultants <br />from each test series to obtain the corresponding total-stress peak and large displacement <br />sheaz strength friction angles and adhesions. The coefficient of correlation (R'), a <br />standard statistical indicator of how well the 'xst-fit line matches the test data, was <br />obtained for each best-fit line. The summary plots of shear stress versus normal stress <br />for each test series aze also presented in Appendix C. The friction angles, adhesions, and <br />R2 values derived from the plotted test results aze presented in Table 1. <br />For each test series, it is noted that the reported total-stress sheaz strength <br />parameters of friction angle and adhesion were determined based on the straight line <br />drav~~n through the test data on a plot of shear stress versus normal stress. Caution <br />should be exercised in using these shear strength parameters for applications irrvoh~ing <br />normal stresses outside the range of stresses covered by each test series. <br />4. CLOSURE <br />The reported results apply only to the materials and test conditions used in the <br />laboratory testing program. The results do not necessarily apply to other materials or <br />test conditions. The test resuhs should not be used in engineering analysis unless the test <br />conditions mode[ the anticipated field conaitions. The testing was performed in <br />accordance with general engineering testing standards and requirements. This testing <br />report is submitted for the exclusive use of CC&,V. <br />,k GLIll26/SGi000Il.DOC 3 <br />00.o2.2s <br />