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CPT Interpretations <br /> i' <br /> The parameters selected for output from the program are often specific to a particular project. As such, <br /> not all of the interpreted parameters listed in Table 1 may be included in the output files delivered with this <br /> report. <br /> i Table 1 <br /> CPT Interpretation Methods <br /> Interpreted <br /> Parameter Description Equation Ref <br /> Mid Layer Depth ,k <br /> Depth (where interpretations are done at each point then Mid Depth(Layer Top)+Depth(Layer Bottom}/2.0 I <br /> Layer Depth=Recorded Depth) <br /> Elevation Elevation of Mid Layer based on sounding collar elevation Elevation=Collar Elevation-De th <br /> supplied by client p <br /> RvSgc` <br /> Avgqc Averaged recorded tip value(q.) n <br /> n=1 when interpretations are done at each point <br /> Averaged corrected tip(qt)where: Avggt=1 tq, <br /> E. <br /> LAvgqt q =q +(1-a).u n=1 when interpretations are done at each point <br /> LAvgfs Averaged sleeve friction(fs) Avgfs=n fs <br /> n=1 when interpretations are done at each point <br /> Averaged friction ratio(Rf)where friction ratio is defined <br /> AvgRf as. AvgW=100%•Av t <br /> 111���...... xf=loo%•Q� n=f when interpretations are done at each point <br /> Avgu Averaged dynamic pore pressure(u) Avg` ;, u, <br /> L n=1 <br /> when interpretations are done at each point <br /> 4 <br /> Averaged Resistivity(this data is not always available 1 <br /> Avgu <br /> Avg Res since it is a specialized test requiring an additional =K J-1 STIYITY, <br /> module) n=1 when interpretations are done at each point <br /> Averaged UVIF ultra-violet induced fluorescence (this r <br /> AvgUVIF data is not always available since it is a specialized test Avg"-nUVIF, <br /> requiring an additional module). n=1 when interpretations are done at each point <br /> Av Tem Averaged Temperature(this data is not always available Rvgu=n ETE"ERATURE, <br /> AvgTemp since it is a specialized test) n=1 when interpretations are done at each point <br /> Averaged Gamma Counts(this data is not always Av = l " <br /> AvgGamma available since it is a specialized test requiring an g" n�GAM141A, <br /> additional module) n=1 when interpretations are done at each point <br /> 5BT <br /> Soil Behavior Type as defined by Robertson and I I ' <br /> Campanella f See Figure 1 2,5 <br /> Unit Weight of soil determined from one of the following <br /> user selectable options: <br /> U" 1) uniform value See references 5 <br /> 2) value assigned to each 5BT zone <br /> 3) user supplied unit weight profile <br /> T.Stress Total vertical overburden stress at Mid Layer Depth. ' <br /> Tstress Y h <br /> A layer is defined as the averaging interval specified by where i n is layer unit weight <br /> 6v the user. For data interpreted at each point the Mid Layer hi is layer thickness <br /> L .:, Depth is the same as the recorded depth. <br /> L GREGG <br /> CPT5UMM-1.20C-Rev.02-07-31 � <br /> I <br />