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l � . <br /> CPT Interpretations Page 6/7 <br /> The following parameters are not presented but maybe interpreted for use in liquefaction analysis Further <br /> . detailed interpretation may be completed by using the Liquefaction Spreadsheet following the committee <br /> recommendations of the NCEER. This Spreadsheet is available for purchase A promotional document is <br /> presented in the Interpretations directory on the Data Disk with this report <br /> Parameter Equation Ref <br /> q" Q nomiaf¢ed for overburden stress used for seismic qn=qc (f'a/6.)05 3 <br /> analysis whmm Pa=atm Pressure <br /> 4 is in Mpa <br /> qmn qcm=(qo/PaXPaIO„) <br /> q,,in dimensionless form used for seismic m mlysis where Pa=atm Pressure and n ranges from 3 <br /> 0 5 to 0 75 based on Ic <br /> Kara Equivalent dean sand factor for(NI)60 Ksvr=1+((0 75130)'(FC—5)) 10 <br /> Kms=10for 1�S164 <br /> Kir, Equivalent dean sand correction for q m, Kqg=f(1.)for/.>164 (see reference) 10 <br /> J gajM Clean sand equivalent 4,n q,.=9ct.a KW 3 <br /> q,.<50 <br /> GRw5=0 833((q�,,,o11000]+0 05 <br /> CRR Cycfc Resistance Ratio(for Magnitude 7 5) 50 S qk,.<160 10 <br /> CRR,,,= 93 00013+0 08 <br /> CSR=ff.Ml j=0 65(a.191)(6d a,7 rd <br /> rd=10—0 00755 z z 5 9 15m 10 <br /> CSR Cyclic Stress Rata rd=1 174—0 0267 z 9 15 <z 5 23m <br /> rd=0 744—0008 z 23 < z S 30m <br /> rd=0 50 z > 30m <br /> MSF Magnitude Scaling Factor see Reference 10 <br /> FdS Factor of Safety against Lrquetactron FS=(CRR75 I CSR)MSF 10 <br /> Liquefeciiion Statement mdreati 'ble G action Takes mbo account FofS and limitations based 10 <br /> Status f and cw. <br /> 1 <br /> MGG <br /> ECPTSUMM-McModsGV122a—Rev 08-10-2004 ago <br />