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CPT Interpretations <br /> Interpreted Description Equation Ref <br /> �y Parameter <br /> For(gam„v)a(<160: <br /> CRR 93 (��OOfls)3+0.08 <br /> CRR Cyclic Resistance Ratio(for M=7.5) For(qcrrv)w<50: 5 <br /> 3 <br /> CRR=0.833•{ ,,.,, +0.05 <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 approriate type for the site from: ' <br /> 1 <br /> a)OCSands �. =3• <br /> Youngs b)Aged NC Sands 5 <br /> Modulus E c)Recent NC Sands where a;=vertical effective stress - <br /> ae'=horizontal effective stress <br /> Each sand type has a family of curves that depend on <br /> mean normal stress. The program calculates mean and ate= K.'try 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#(q`—°°0) 5 <br /> l <br /> Savannah River Site Specific Parameters <br /> Interpreted Description Equation Ref <br /> Parameter <br /> !c=((1.95—logtoQ)z+(logto Fr+1.76)z)o.s <br /> Ic based on normalized data at the Savannah River Site; <br /> IC developed by Frank Syms and SGS Where: Q is the normalized tip resistance 10 <br /> And Fr is the normalized friction ratio <br /> FC=(5.31 •(1j"')+9.61 <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=((3.58—logjo(gtsf)) +(1.43+logro(R)T <br /> )r.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 /> vwwre: <br /> gtsfis the non-normalized tip resistance in tsf <br /> Rf is the non-normalized fiction ratio <br /> f <br /> CpTSUMM-1.20C—Rev.02-07-31 <br />