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a ' <br /> ir <br /> F� <br /> CPT interpretations <br /> Interpreted Description Equation Ref <br /> Parameter <br /> For N,,,),x< 160 <br /> 3 <br /> CRR=93. {9``N ks +008 <br /> 1000 <br /> CRR Cyclic Resistance Ratio(for M=7 5) For(gn ids <50 5 <br /> a <br /> CRR=0833+ (q`'x),s +005 <br /> ( 1000 ' <br /> Youngs Modulus based on the work by Baldi There are Mean normal stress is evaluated from <br /> three types of sands considered in this technique The <br /> user selects the appronate type for the site from <br /> i <br /> a)OC Sands 6. =3•(a +Ch+6J <br /> Youngs b)Aged NC Sands 5 <br /> Modulus E c)Recent NC Sands where ay=vertical effective stress <br /> ah=horizontal effective stress <br /> Each sand type has a family of curves that depend on <br /> mean normal stress The program calculates mean and ah= Ko`6v 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, =0 t.( 01,q,-, J 5 <br /> l . JJ <br /> • Savannah River Site Specific Parameters <br /> Interpreted Description Equation Ref <br /> Parameter <br /> Ic=j(1 95-10groQ)2+(logie Fr+ 1 78)2106 <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 friction ratio <br /> FC=(531 '(!023) +961 <br /> FC Fines content based on the normalized Savannah River For FC> 900 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=((3 58-!og}o(gtsf)) +(1 43+/ogle(RO) <br /> )i e <br /> For FC> 100 and qt< 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 /> gtsf is the non-normalized tip resistance in tsf <br /> Rf is the non-normalized fiction ratio <br /> GREGO <br /> CATSUMM-1 20C-Rev 02-07-31 <br />