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CPT Interpretations <br /> Interpreted Description Equation Ref <br /> Parameter <br /> Far(q.1AJa<160: <br /> s <br /> CRR=93• (g``"ks +0.08 <br /> 1000 ) <br /> CRR Cyclic Resistance Ratio(for M=7.5) "'� 5 <br /> For(gcrnt)cs<W., - <br /> 3 <br /> CRR=0.833+ Eq'IN +0.05 <br /> ( <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 /> _ k <br /> a)OC Sands a_ 3+ `+(7"+ <br /> Youngs b)Aged NC Sands 5 <br /> Modulus E c)Recent NC Sands where a,'=vertical effective stress <br /> ar;=horizontal effective stress <br /> Each sand type has a family of curves that depend on <br /> mean normal stress. The program calculates mean and an= Ka'a„ with Ko assumed to be 0.5 <br /> normal stress and linearly interpolates between the two <br /> extremes provided in Bald'i's chart. <br /> K, Coefficient of lateral earth pressure at rest. Ka --0 1•(q'— 0) 5 <br /> a <br /> Savannah River Site Specific Parameters <br /> Interpreted Description Equation Ref <br /> parameter <br /> IC=f(7.95—logloof+(loglo Fr+ 1,78)2)°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 friction ratio <br /> FC=(5.31 `(lj2'31)+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=I(3.56—loglo(gtsf)) +(1.43+loglo(Rt)) <br /> )1.9. <br /> For FC>100 and qt<15 tsf the material is <br /> Fines Content directly from non-normalized data at the flagged as a soft zone <br /> FC Savannah River Site;developed by Frank Syms and SGS 11 <br /> Where: <br /> gtsf is the non-normalized tip resistance in tsf <br /> Rf is the non-normalized friction ratio <br /> GREGG <br /> CPTSUMM-t.2oC—Rev.02-07-31 <br />