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CPT Interpretations <br /> t c1Qc1N1 Equivalent clean sand correction Agc1N = Kcrr •gcIN 5 <br /> 1-Kcrr <br /> Where. KcPr 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 /> 6c1Ncs Clean Sand equivalent Qcl N gclNcs=gc1N+Agc1N 5 <br /> Ic Soil index for estimating grain characteristics !c=({3 47-bqQ) +(_g F+ 122)x f 5 <br /> FC Fines content(%) FC--1 75(!c�3 J-3 7 ——8 <br /> FC--100 for lc a 3 5 <br /> FC=O for Ic<126 <br /> _ FC=5%if 164<Ic<2 6 AND Rfn<O 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 /> Jamolkowsla-All Sands <br /> OCR Over Consolidation Raba 1 <br /> State ..-.__.._..... 9 <br /> _Parameter _ <br /> CRR Cyclic Resistance Ratio _ 7 <br /> • GREGG <br /> i <br />