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' CP-1 inte'Pratalicns <br />' U Wt Unit Weignt of soil determined from <br /> 1) uniform value or <br />' 2) value assigned to each SBT zone <br /> 3) user supplied unit weight profile <br /> TStress Total vertical overburden stress at mid layer depth <br /> 1-Stress y jT <br />' where n is layer unit weight <br /> h,is layer thickness <br /> EStress Effective vertical overburden stress at mid layer depth EStress=TStress—Ueq <br />' Ueq Equilibrium pore pressure determined from <br /> 1) hydrostatic from water table depth <br /> 2) user supplied profile <br />' Cn SPT Nen overburden correction factor Cn=(Q„)-0s <br /> where Q„ is in tsf <br /> 05<Cr <20 <br />' Neo SPT N value at 60%energy calculated from Qt/N ratios assigned to I 3- <br /> each SBT zone <br /> (N1)6o SPT Neo value corrected for overburden pressure I N1w=Cn .Nw I -3 <br />' a(N1)Bo Equivalent Clean Sand Correction to(Nt)ao Q Nl) KsPr (ATI). 7 <br /> ( _ <br /> 1—K, <br />' Where Ksar is defined as <br /> 0 0 for FC<5% <br /> 0 0167•(FC-5) for 5%< FC<35% <br /> 05 for FC>35% <br /> FC-Fines Content in % <br /> (N1)wcs Equivalent Clean Sand(N1)eo I (N1)6o.=(N1)6o + A(N1)eo I 7 <br />' Su Undrained shear strength-Nkt is use selectable Su=Qt—vv 2 <br /> Nkr <br /> I <br /> k I Coefficient of permeability(assigned to each SBT zone) - 6 <br /> i <br /> Bq Pore pressure parameter { 4u i 2 <br /> B9=Qt-ay <br />' Qtn Normalized Qt for Soil Behavior Type classification as defined by I Qrn=Qt 4 <br /> Robertson 1990 a <br /> Rfn Normalized Rf for Sod Behavior Type classification as defined by a fs 4 <br /> Rfn=100%• <br /> Robertson, 1990 Qt_ <br />' SBTn Normalized Soil Behavior Type(slightly modified from that published by 4 <br /> Robertson, 1990 This version includes all the sod zones of the original <br />' non-normalized SBT chart-see figure 1) <br /> Qc1 Normalized Qt for seismic analysis qcl =qc•(Pal6„)o s 5 <br /> where Pa=atm pressure <br />' Qcl N Dimensionless Normalized Qti qc1 N=qc1 l Pa <br /> where Pa=atm pressure <br /> EGG1 <br /> I <br />