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I <br /> CPT Interpretations Page 3R <br />' Interpreted Description Equation Ref <br /> Parameter <br /> Averaged UVIFiltra-violet induced fluorescence (t#us ,t98u=1���,-1 <br />' AvgUVIF data is not always available since it is a specialized test n w - - <br /> requiring an additional module) n=1 when Inl�nataUons am done at each parnt <br /> AvgTemp Averaged Temperature(this data is not always available wA,,Rd=- TEMPERATURE, <br /> since it is a specialized test)- _ -- - nal when mterpratatrons are done at each point <br />' Averaged Gamma Counts(this data is not always Ay&u-I[GAMMA <br /> AvgGamma available sum d tog a specialized torequmng an •,-, <br /> additional module) n-i when inferpreta0aris are done at each point <br />' SBT -Soil Behavior Type as defined by Robertson and See Figure 1 _ ~_W~� _ - µ 2,5 <br /> panslIg <br /> Unit of Boll determined from one of the following <br /> user selectable options <br />' U W1 1) uniform value See references 5 <br /> 2) value assigned to each SBT zone <br /> 3) user supplied unit wean[profits <br />' T Stress Total vertical overburden stress at Mid Layer Depth 7'S'--±Y,h, <br /> A layer is dented as the averaging interval specified by of p is layer unit weight <br /> Qv the user For data interpreted at each para[the lied Layer h,as layer thickness <br /> Depth is the same as the recorded depth <br />' E Stress _Effective vertical - <br /> av Effl overburden stress at Mrd Layer Depth EWess=Tslress-u.q <br /> For hydrostatic option <br /> Equihbnum pare pressure determined from one of the <br /> following user selectable options x,•(n-va) <br />' . <br /> Ueq where u�y Is equilibrium pare pressure 1) hydrostatic from water table depth Y.is unit weight of water <br /> 2) user supplied profile D is the current depth <br /> D.,,is the depth to the water table <br />' Cn=(a,.70 s <br /> Cn SPT Neo overburden correction factor where W is in Isf <br /> 05<Gnc20 <br />' SPT N value at 60%energy calculated from qVN ratios <br /> No assigned to each SBT zone This method has abrupt N See Fagune 1 4.5 <br /> value changes at zoite boundaries <br /> (NI)6o SPT Neo value corrected for overburden pressure (N,)w-Cn+Neo 4 <br />' Neol. SPT Neu values based an the Ic parameter (gt1pa)1 No=8 5(1-Ic/4 6) 6 <br /> (N,}salc SPT Neo value corrected for overburden pressure(using 1) (N,)601C-Cn•(Neak) 4 <br />' M1lan Iz)- User has 2 options 2) q�jd(Njwt 8 5(1-Icf4 6) 5 <br /> 1) (N,)&o fc-a+P((Ni)eala) 10 <br /> 2) (N,)w.Ic=Ksvr"((Nr)wIC) 10 <br /> 3) q�i„m)/(N,)Ic=B 5(1 -Io/4 6) 5 <br />' (Ni)aor..IC Clean sand equivalent SPT(N,)aolc User has 3 options FCS 5% a=0, P=1 0 <br /> FC 2:35% a-5 0, P-1.2 <br /> 5%<FC c 35% a-e>p[1 76-�190/FG2)) <br /> P-[0 99+(FG s/1000)) <br /> V-a._ 1 5 <br /> Su Undrained shear strength-Nu Is user selectable N. <br />' k Coefficient of permeability(assigned to each SBT zone) 5 <br /> • QREGG <br />' CPTSUMM-MethodsGV122a-Rev 08-10-2004 <br /> 1 <br />