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CPT Interpretations U Wt Und Weight of sal determined from • 1) uniform value or 2) value assigned to each SBT zone 3) user supplied and weight profile TStress Total vertical overburden stress at mid layer depth TStress- y h, !-1 where )'Iis layer and weight h,is layer thickness EStress Effective vertical overburden stress at mid layer depth EStress W TStress-Ueq Ueq Equilibrium pore pressure determined from 1) hydrostatic from water table depth - 2) user supplied profile Cn SPT Neo overburden correction factor Cn=(6„ .06 where a is in is f 05<C„<20 Neo SPT N value at 60%energy calculated from QUN ratios assigned to each 3 SBT zone (N 1)60 SPT Neo value corrected for overburden pressure Moo=Cn .Neo 3 e(N1)eo Equivalent Clean Sand Correction to(N1)6o A(N1), = KAT •(N1),, 7 1-Ksrr Where KsPT is defined as 0 0 for FC<5% 0 0167.(FC-5) for 5%<FC<35% 0 5 for FC>350% FC-Fins Content in% (N1Equivalent Clean Sand(N1)Go (Ni)ao.=(N1)eo + a(N1)Qo 7- Su Undrained shear strength-Nkt is use selectable Su=Qt-av - T T 2- k_ _ T. -Coefficient of permeability(assigned to each SST zone)T T_ -T _ �-r_ _ -6- -BI _ TPore pressure parameter_ T _ ; -,T— -- - -- A" -- -_ ----_- - - 2 - - - -Bq Qt Qtn Norrnalized Qt for Soil Behavior Type classfcation as defined by Qin=Qr--� - -- 4 - Robertson, 1990 a Rfn Normalized Rf for Sal Behavior Type classification as defined by f, 4 Robertson, 1990 Rfn=t(10%• Qr-av SBTn Normalized Sal Behavior Type(slightly modified from that published by 4 Robertson, 1990 This version includes all the sal zones of the original non-normalized SBT chart-see figure 1) Qc1 Normalized Qt for seismic analysis qct =qc•(Pata,f')o s LL 5 where Pa=atm pressure Qci N Dimensionless Normalized Qti qci N=qcl /Pa T - - where Pa=atm pressure CONE EC