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CPT Interpretations <br /> AQc1N1 Equivalent clean sand correction A c!N- Kcrr c1N 5 <br /> 1—Kr, 4 <br /> Where Kcar is defined as <br /> 0 0 for FC<5% <br /> 0 0267•(FC-5) for 5%<FC<35% <br /> 05 for FC>35% <br /> FC-Fines Content In% <br /> Qc1 Ncs Clean Sand equivalent Qc1 N gclNcs=gc1N+Agc1N 5 <br /> Ic Sod index for estimating grain characteristics [ !c=f(3 47-IOgQ)z+(log F+122)')°s I 5 <br /> FC Fines content(%) FC=1 75(025)-3 7 8 <br /> FG--1 00 for!c>3 5 <br /> FC--O for Ic< 126 <br /> FC=5%if 164<!c<2 6 AND Rfn<0 5 <br /> PHI Friction Angle Campanella and Robertson 1 <br /> Durunoglu and Mitchel <br /> Janbu <br /> Dr Relative Density Ticino Sand 1 <br /> Hokksund Sand <br /> Schmertmann 1976 <br /> Jamiolkowski-All Sands <br /> OCR [ Over Consolidation Ratio [ [ 1 <br /> State I I 9 <br /> Parameter <br /> CRR [ Cyclic Resistance Ratio [ 7 <br />