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CPT interpretations <br /> • U Wt. Unit Weight of soil del,errnkW from <br /> 1) uniform value or <br /> 2) value assigned to each SET zone <br /> 3) user supplied unit weight proM <br /> TStress Total vertical overburden stress at mdd layer depth ------- TStress h, -- - - - - - <br /> where n is layer unit weight <br /> h,is layer thiclaless <br /> EStress Effective vertical omrbiuden stress at mid layer depth---- -- EShress=Tres--Ueq -- <br /> Ueq—_- _Equilibrium Pore pressure determined from <br /> 1) hydrostatic from waw table depth <br /> 2) user supplied Profile <br /> -Cn -- SPT Moo overburden correction factor <br /> where MIS In tsf <br /> 05<Q. 20 <br /> NM SPT N value at 6096 energy calculated from QM ratios assigned to each - _ 3 <br /> SBT zone <br /> (N1)eo SPT Neo value corrected for overburden Pressure --- --- N1w=Cn.Nw --- m 3 <br /> A(N1)e° Equivalent Clean Sand Correction to(N1)m -- — --- _ K$" NDIG <br /> . ---- - <br /> A(M).= i-x ( )sa <br /> Where Kwt is defined as <br /> 00 for FC<5% <br /> 00167•(FC-5) for 5%<FC<35% <br /> 05 for FC>35% <br /> FC-Fines Count in% <br /> (N1}�. Equivalent Chin Sand(N1� (Nl)a,=(Nt)w + e(Nl)e°---- ---- 7 <br /> Su Undrained sheaf strength-Nid is use selectable _Sy A R�y_--------- - ---___ 2 <br /> NA, <br /> k Coefficient of Permeability(assigned to each SBT zone) -- ---- ---- - - 8 <br /> Pore a ParameterU -- ---- ---_--_-- 2 <br /> Bq Qt-a, <br /> -Qtn ---- Normalized Qt for Soil Behavior Type ckassificahon as defined by <br /> gin=Qt-ay 4 <br /> Robertson,1990 or y <br /> Rirt --- -Normalized Rf for Sal Behavior Type as defined by - - Fgh=100016.� fjr d <br /> Robertson,1990 <br /> -58TH Non�alrzed Sop Behavior Type(slightly modified from that published by --- - -- -- - 4 <br /> Robertson,1990 This version bides all the sod zones of the orgirel - <br /> rm-rmmral¢ed SBT chat-see figure 1) <br /> Qct --- Nomattzed Qt for seism °� <br /> ic analysis ------- -qct =qc•(Pala - _5 <br /> where Pa=atm pressure <br /> qc1 N=qcl l Pa - ------- - -- <br /> where Pa=atm pressure <br /> EGG <br />