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CPT Interpretations <br /> L f <br /> Interpreted Description Equation Ref <br /> Parameter <br /> For(q�jid,,<160: <br /> (Lq,,,,$)'+CRR-93• 0.08 <br /> 1000 <br /> CRR Cyclic Resistance Ratio(for M=7.5) 5 <br /> For(q,ax).<50: <br /> CRR=0.833.V <br /> '+0.05 <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 /> Ia)4C Sands 6^ =3•�°+6h+ffh� <br /> Youngs b)Aged NC Sands 5 <br /> iModulus E c)Recent NC Sands where 6Y=vertical effective stress <br /> x 6h'=horizontal effective stress <br /> I Each sand type has a family of curves that depend on <br /> mean normal stress. The program calculates mean and ah= Ke*6,' with Ko assumed to be 0.5 <br /> normal stress and linearly interpolates between the two <br /> extremes provided in Baldi's chart. <br /> —aaKo Coefficient of lateral earth pressure at rest. Kp=0.1 (q, 5 <br /> II` <br /> Savannah River Site Specific Parameters <br /> Interpreted Description Equation Ref T <br /> Parameter <br /> is=[(1.95—logioQ)Z+(10919 Fr+1.78)2 J°5 <br /> is Ic based on normalized data at the Savannah River Site; Where Q is the normalized tip resistance 10 E <br /> developed by Frank Syms and SGS And Fr is the normalized friction ratio <br /> Li <br /> i <br /> E FC=(5.31'(12.3')+9.61 'i 1 <br /> Fines content based on the normalized Savannah River 1 <br /> FC For FC> 100 and qt<15 tsf the material is 10 <br /> Site Ic parameter,developed by Frank Syms and SGS ff <br /> flagged as a soft zone } <br /> i <br /> L FC=I(3.58—log}o(gtsf}) +(1.43+logia(►O) <br /> )1.e. <br /> i <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 l <br /> Savannah River Site;developed by Frank Syms and SGS <br /> Where: <br /> qtsf is the non-normalized tip resistance in tsf r <br /> Rf is the non-normalized friction ratio <br /> i <br /> L t <br /> t <br /> EGG <br /> CPTSUMM-1.20C--Rev.02-07-31 ' <br />