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' CPT Interpretations <br />' Interpreted <br /> Parameter Description Equation Ref <br />' <br /> For(gcf/v)a< 160 <br /> a <br /> CRR=93•({1`000 s} +008 <br /> CRR Cyclic Resistance Ratio(for M=7 5) For(gc,N)cl<50 5 <br /> 3CRR=0 833.(h�� <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 approrate type for the site from x , <br /> i <br /> a)OC Sands 6 =3• ,+crA+6a <br /> Youngs b)Aged NC Sands 5 <br /> Modulus E c) Recent NC Sands where u,=vertical effective stress <br /> Each sand type has a family of curves that depend on ah'=honzontal effective stress <br /> mean normal stress The program calculates mean and sh— Ko'cry with Ko assumed to be 0 5 <br /> normal stress and linearly interpolates between the two <br /> extremes provided in Baldi's chart <br /> Ko Coefficient of lateral earth pressure at rest K. =01•lq'—a. 5 <br /> Savannah River Site Specific Parameters <br /> Interpreted <br /> Parameter Description Equation Ref <br /> Ic=l(1 35—logroQ)2+(logia Fr+ 1 78)21°s <br /> Ic Ic based on normalized data at the Savannah River Site, Where Q is the normalized tip resistance 10 <br /> developed by Frankrank Syms and SGS And Fr is the normalized fnciran ratio <br /> FC=(531 "x(10231) +961 <br /> FC Fines content based on the normalized Savannah River For FC> 100 and q,< 15 tsf the matenai is 10 <br /> ISite Ic parameter,developed by Frank Syms and SGS Flagged as a soft zone <br /> FC=f(3 58—1dgro(gtst)) +(1 q3+logto(Rt)) <br /> )1a <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 f=rank Syms and SGS <br /> Where <br /> qtsf is the non-narmahzed hp resistance in tsf <br /> Rf is the non-normalized fnction retro <br /> I <br /> WIEGG <br /> I <br /> • <br /> I <br /> CPTSUMM-1 20C—Rev 02-07-31 <br />