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CPT Interpretations <br /> Interpreted <br /> Parameter Description Equation Ref <br /> For NoWcs< 16a <br /> (Lq CRR=43* �s +00CRR Cyclic Resistance Ratio(for M=7 5) l3 5 <br /> For(gefiH)ea<50 <br /> CRR=0 833•(Lqks +005 <br /> 1000 J <br /> Youngs Modulus based on the work by 8aldi There are <br /> three types of sands considered in this technique The Mean normal stress is evaluated from <br /> user selects the appronate type for the site from <br /> 1 <br /> a)OC Sands �^ = 3• •+6h+Qh <br /> Youngs b)Aged NC Sands 5 <br /> Modulus E c)Recent NC Sands where 6Y=vertical effective stress <br /> %'=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*a„ with Ko assumed to be 0 5 <br /> normal stress and linearly interpolates between the two <br /> extremes provided in Saldi's chart <br /> Ko Coefficient of lateral earth pressure at rest K.=0 1•�Q`— rvo 5 <br /> • Savannah River Site Specific Parameters <br /> Interpreted Description Equation Ref <br /> Parameter <br /> IC=f(1 95--logroW2+(logro Fr+ 1 78)2f 5 <br /> Ic Ic based on normalized data at the Savannah River Site, Where Q is the normairzed tip resistance 10 <br /> developed by Frank Syms and SGS And Fr is the normalized friction ratio <br /> FC=(531 *(Q23)+9fit <br /> FC Fines content based on the normalized Savannah River For FC>100 and qt c 15 tsf the material is 10 <br /> Site Ic parameter,,developed by Frank Syms and SGS flagged as a soft zone <br /> FC=j(3 58—logro(gtst)) +(1 43+logro(M) <br /> )re <br /> For FC> 100 and cit< 15 tsf the material is <br /> FC Fines Content directly from non-normalized data at the bagged as a soft zone 11 <br /> Savannah River Site,developed by Frank Syms and SGS <br /> Where <br /> gtsf is the non-normarized tip resistance in tsf <br /> Rfis the non-normahzed fncbori ratio <br /> GREGG <br /> CPTSEJMM-1 20C—Rev 02-07-31 ® 'I <br />