Laserfiche WebLink
rCPT Interpretations <br /> U Wt Unit Weight of soil determiner!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 TStress= <br /> EYh, <br /> where y,es layer unh weight <br /> h,is layer thickness <br /> EStress Effective vertical overburden stress at mid layer depth FStress=TStress—Ueg <br /> Ueq Eqwlibnum porepressure determined from <br /> 1) hydrostatic from water table depth <br /> 2) user supplied profile <br /> Cn SPT Nao overburden correction factor - <br /> where a„,is m fsf <br /> 05<Q,<20 <br /> Noo SPT N value at 60%energy calculated from GUN ratios assigned to each 3 <br /> SBT zone <br /> (N1)aa SPT Nao value corrected for overburden pressure Mao=Cn.Nao 3 <br /> 4(N1)60 Equivalent Clean Sand Correction to(N1)eo 0(Nl}" w Kvr.(N1). 7 <br /> 1-Ks, <br /> Where KsPT is defined as <br /> 0 0 for FC<5% <br /> 0 0187•(FC-5) for 5%<FC<35% <br /> 0 5 for FC>35% <br /> FC-Fines Content in% <br /> (N1)aa Equivalent Clean Sand(N1)eo {N1�o�=(NI),,. + p(N1),a - - 7- <br /> Su <br /> -Su Undrained shear strength-Nkt is use selectable Su=¢t-a� 2- <br /> Nkr <br /> k Coefficient of permeability(assigned to each SBT zone) - 6 <br /> Bq Pore pressure parameter _ Au_ 2 <br /> Bq—Q1—6v <br /> Qtn Normalized Qt for Sol Behavior Type classification as defined byQt-a, 4 <br /> Robertson, 1990 Q"'=-- <br /> Cr , I <br /> Rfn Normalized Rf for Sal Behavior Type classification as defined by f 4 <br /> Robertson,1990 I jn=100°/a• <br /> rQt- <br /> SBTn Normalized Sal Behavi-_or Type(slightly modified from that published by 4 <br /> Robertson 1990 This version includes all the sat zones of the original <br /> non-nomrial¢ed SBT chart-see figure 1) <br /> Qc1 Nommal¢ed Qt for seismic analysisa s 5 - <br /> qct -qc•(Pal6.') <br /> where Pa=atm pressure <br /> Qc1N Dimensionless Normalized Qt1 gc1N=qc1 1 Pa <br /> where Pa atm pressure <br /> I <br /> i <br /> CONE EC <br />