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CPT Interpretations <br /> AQc1 Ni Equivalent clean sand correction clN= Kc"r •9 c1N 5 <br /> 4 1-Kcrr <br /> Where KopT is defined as <br /> 0 0 for FC<5% <br /> 0 0267.(FC-5) for 5%<FC<35% <br /> 0 5 for FC>35% <br /> FC-Fines Content in% <br /> ' Qc1 Ncs_ Clean Sand equivalent Qct N - a ry _gclNcs=gc1N+Agc1N 5 <br /> - <br /> !c $oil index for estimating grain characteristics I !c=j(3 47-)ogQy+(!og F-;1 22) f <br /> Fines content(%)- FC=f 75(!c?25)-Y7 - -- t <br /> 8 <br /> FC=100 for lc>3 5 <br /> FC=O for!c<126 <br /> _ FC=5%ff 164<1c<2 6 AND Rfn<O 5_ <br /> ' <br /> Pk-1 Friction Angle - -- _ Campanella and Robertson 1 <br /> Durunoglu and Mitchel <br /> Janbu <br /> Dr Relative Density-_- _ - - -Ticino Sand <br /> Hokksund Sand <br /> Schmertmann 1976 <br /> Jamiolk_owski-AI_I Sands <br /> OCl2 Over Consolidation Ratio _ 1 <br /> State = ry_ _ =_ ti _ _ _ 9 <br /> ' Parameter <br /> CRR Cyclic Resistance Ratio _ E -� 7 <br /> r <br /> t <br /> lEGG <br />