Laserfiche WebLink
CPT Interpretations Page 317 <br /> ' <br /> F <br /> retedmeterDescnpt+on Equation Ref <br /> Averaged UVIF ultra-violet induced fluorescence (this Avgu= UVIF <br /> gUVIF data is not always available since it is a specialized test n 1_1 <br /> requiring an additional module) n=1 when interpretations are done at each point <br /> AvgTemp Averaged Temperature(this data is not always available Avgu='—jTEMPERATURE, <br /> since it is a specialized test) n'"' <br /> ' n=1 when interpretations are done at each point <br /> Averaged Gamma Counts(this data is not always av t <br /> AvgGamma available since it is a specialized test requiring an g"- GAMMA, <br /> additional module) n=1 when interpretations are done at each point <br /> SBT Soil Behavior Type as defined by Robertson and See Figure 1 I 2, 5 <br /> Campanella <br /> Unit Weight of sod determined from one of the following <br /> ' user selectable options <br /> U Wt 1) uniform value See references 5 <br /> 2) value assigned to each SBT zone <br /> 3) user supplied unit weight profile <br /> T Stress <br /> Total vertical overburden stress at Mid Layer Depth TSrressh, <br /> A layer is defined as the averaging interval specified by where N is layer unit weight <br /> ' 6v the user For data interpreted at each point the Mid Layer h,is layer thickness <br /> Depth is the same as the recorded depth <br /> E Stress <br /> 6v Effective vertical overburden stress at Mid Layer Depth Estress= Tstress-ueq <br /> For hydrostatic option <br /> Equilibrium pore pressure determined from one of the <br /> • following user selectable options uq=Y„•(D-D,.) <br /> Ueq where uap is equilibrium pore pressure <br /> 1) hydrostatic from water table depth Yw is unit weight of water <br /> 2) user supplied profile D is the current depth <br /> D„,t is the depth to the water table <br /> i <br /> Cn=(CF j-05 <br /> Cn SPT Nso overburden correction factor where cr"is in tsf <br /> t05<C„<20 <br /> SPT N value at 60%energy calculated from gt/N ratios <br /> Nso assigned to each SBT zone This method has abrupt N See Figure 1 4, 5 <br /> ' value changes at zone boundaries <br /> (Ni)eo II SPT NBo value corrected for overburden pressure I (Nf)60= Cn•Nso �I 4 <br /> N6oh { SPT Nso values based on the Ic parameter (gtlpa)1 N6o=8 5(1 -Ic14 6) { 5 <br /> (Ni)solc I SPT Nso value corrected for overburden pressure(using 1) (Ni)6o/c=Cn.(N6o 1c) {{{ 4 <br /> Nso Ion User has 2 options 2) gcld(Nt)6olc=8 5(1 -lc/4 6) 5 <br /> ' 1) (Ni)6o.lc=a+R((Nr)6olC) 10 <br /> 2) (N1)eocslc= KSPT M06010 10 <br /> 3) gclncs)/(N,)gD.lc=8 5(1 -Ic14 6) 5 <br /> (Ni)6oJc Clean sand equivalent SPT(N,)solc User has 3 options FC15 5% a=0, 0=1 0 <br /> FC 2 35% a=5 0, (3=1 2 <br /> 5%<FC<35% a=expjl 76-(1901FC2}] <br /> R=10 99+(FC 5/1000)] <br />' Su Undrained shear strength-Nm is user selectable Su=qr Q. 1,5 <br /> l 1 Nb 1 <br /> k Coefficient of permeability(assigned to each SBT zone) 5 <br /> CONE EC <br /> CPTSUMM-MethodsV122a-Rev 06-30-2004 <br />