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CPT Interpretations <br /> Interpreted Description Equation Ref <br /> Parameter <br /> For(q.1m)m< 160 <br /> 3 <br /> CRR=93• (q,, )ns +008 <br /> ( )0001 <br /> CRR Cyclic Resistance Ratio(for M=7 5) 5 <br /> For(gmrnr�.<50 <br /> 3 <br /> CPR=0833• IN s +005 <br /> 1000 <br /> r <br /> Youngs Modulus based on the work by Baldi There are <br /> three types of sands considered in this technique The Mean normal stress is evaluated from <br /> user selects the appronate type for the site from <br /> 1 <br /> a)OC Sands �- —3 V}Qk}QF <br /> Youngs b)Aged NC Sands 5 <br />' Modulus E c)Recent NC Sands where 6„'=vertical effective stress <br /> Each sand type has a family of curves that depend on ah'=horizontal effective stress <br /> mean normal stress The program calculates mean and Gh= Ko`a„ with Ko assumed to be 0 5 <br /> normal stress and linearly interpolates between the two <br />' extremes provided in Baldr's chart <br /> Ko Coefficient of lateral earth pressure at rest Ko =01•Cg'—�� 5 <br /> Savannah River Site Specific Parameters <br /> Interpreted Description Equation Ref <br /> Parameter <br /> Ic=I{1 95—togroQ)z+(logro Fr+1 78)2 f 5 <br /> Ic Ic based on normalized data at the Savannah River Site, Where Q is the normalized tip resistance 10 <br /> developed by Frank Syms and SGS And Fr is the normalized fictton ratio <br /> rFC=(531 •(t,)2sr)+961 <br /> FC Fines content based on the normalized Savannah River For FC> 100 and qt 4 15 tsf the material is 10 <br /> Site is parameter,developed by Frank Syms and SGS <br /> flagged as a soft zone <br /> Ft e= I(3 58—logio(9tso +(143+logic(RO) <br /> rFor FC>100 and qt c 15 tsf the material is <br /> FC Fines Content directly from non-normalized data at the flagged as a soft zone 11 <br /> Savannah River Site, developed by Frank Syms and SGS <br />' where <br /> qtsf is the non-normalized tip resistance in tsf <br /> Rf is the non-normalized friction ratio <br /> r <br /> GRE <br /> r <br /> GG <br /> CPTSUMM-1 20C—Rev 02-07-31 <br />