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CPT Interpretations <br /> Interpreted Description Equation Ref <br /> Parameter <br /> For(q,,nr)cs< 160 <br /> 3 <br /> CRR=93•%h) <br /> 0 +008 <br /> 0 <br /> CRR Cyclic Resistance Ratio for M=7 5 5 <br /> y � ) For(gcfN)cs<50 <br /> a <br /> CRR=0 833•(�� <br /> +005 <br /> 1000 <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 d = 3•+a'+cvk I r5k <br /> Youngs b)Aged NC Sands 5 <br />' Modulus E c)Recent NC Sands where av'=vertical effective stress <br /> an'=honzontal effective stress <br /> Each sand type has a family of curves that depend on <br /> mean normal stress The program calculates mean and an= K,'av with Ko assumed to be 0 5 <br /> normal stress and linearly interpolates between the two <br /> ' extremes provided in Baldi's chart (q, 4}—a5 <br /> Ko Coefficient of latera!earth pressure at rest Ko=01+ J <br /> 6„ <br /> Savannah River Site Specific Parameters <br /> Interpreted Description Equation Ref <br /> Parameter <br /> Fran <br /> lc=I(1 95—log,oQ)2 +(log,o Fr+ 7 78)2�o s <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 fnctron ratio <br /> rFC=(531 "(l,)231)+961 <br /> FC Fines content based on the normalized Savannah River For FC> 100 and qt< 15 tsf the material is 10 <br /> Site Ic parameter,developed by Frank Syms and SGS flagged as a soft zone <br /> FC=I(3 58—logio(gtSo +(1 43+log,o(Rt)) <br /> )fe <br /> For FC> 100 and q,< 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 /> ' <br /> Where <br /> gtsf is the non-normalized tip resistance in tsf <br /> Rf is the non-normalized fnctron ratio <br /> REGG <br /> ' CPTSt.1MM-1 IOC—Rev 02-07-31 <br />