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CPT Interpretations <br /> AQC1N1 Equivalent clean sand correctionc K <br /> agcl = K +gclN 5 <br /> !� rr <br />' Where. Kcrr is defined as <br /> 0 0 for FC<5% <br /> 0 0267+(FC-5) fcr 5%<FC<35% <br />' 05 for FC>35% <br /> FC-Fines Content in% <br />' Qc1Ncs Clean Sand equivalent Qc1N gclNcs=gcIN+dgc1N - I 5 <br /> €c Sal index for estimating grain characteristics Ic=Ila 47-k go/ +(!cg F+ 1 22)2 f s 5 <br /> FC Fines content(%) - r--- — ----�v FC=1 75(lc '5)-3 7 - --- -g - <br /> FC=100 for Ic a 3 5 <br /> FC=O for Ic< 126 <br /> FC=5%if 164<Ic<2 6 AND Rfn<0 5 <br /> PHI Friction Angle I Campanella and Robertson 1 <br /> Durunoglu and Mitchel <br /> Janbu <br /> Cr Relabve Density Ticino Sand 1 <br /> Hokksund Sand <br /> Schmertmann 1976 <br /> Jamidkowski-All Sands <br /> OCR Over Consolidation Ratio � 1 <br /> State 9 <br /> Parameter <br /> CRR Cyclic Resistance Ratio 7 <br /> � T� <br /> I <br />