Laserfiche WebLink
CPT Interpretations <br /> Interpreted Description Equation Ret <br /> Parameter <br /> For(gcm)cs< 160 <br /> CAR=93• (q`'")s '+008 <br /> 1000 <br /> CRR Cyclic Resistance Ratio(for M=7 5) 5 <br /> For(q�rx)�8<50 <br /> ( <br /> 3 <br /> CPR=0833• (q``"k +005 1000 s <br /> Youngs Modulus based on the work by Baldi There are Mean normal stress is evaluated from types of sands considered in this technique The <br /> user selects the approriate type for the site from {/ p <br /> v_ = 3•( a v+6N+Uhl <br /> a)OC Sands <br /> Youngs b)Aged NC Sands 5 <br /> Modulus E c)Recent NC Sands where aw= vertical effective stress <br /> 6h'= horizontal effective stress <br /> Each sand type has a family of curves that depend on <br /> mean normal stress The program calculates mean and 6h= Ko*a4 with Ko assumed to be 0 5 <br /> normal stress and linearly interpolates between the two <br /> extremes provided in Baldi s chart r <br /> q,- __F5 <br /> Ko Coefficient of lateral earth pressure at rest K. 010t � <br /> Savannah River Site Specific Parameters <br /> Interpreted Equation Ref <br /> rp Description <br /> Parameter <br /> Ic=((1 95—logioQ)2+(logro Fr+ 1 78)2 P 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 fiction ratio <br /> FC=(531 '(1j23')+961 <br /> FC Fines content based on the normalized Savannah River For FC>100 and q,< 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—logio(gtso) +(1 43+logro(RO) <br /> }ra <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 /> qtsf is the non-normalized tip resistance in tsf <br /> Rf is the non-normalized friction ratio <br /> EGO <br /> CPTSUMM-1 20C—Rev 02-07-31 <br />