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CPT Interpretabons <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 /> . Depart <br /> Table 7 <br /> CPT Interpretation Methods <br /> Interpreted Description Equation Ret <br /> Parameter <br /> Mid Layer Depth <br /> Depth (where interpretations are done at each point then Mid Depth(Layer Top)+Depth(Layer Bottom)/2 0 <br /> Layer Depth=Recorded Depth) <br /> Elevation Elevation of Mid Layer based on sounding collar elevation Elevation=Collar Elevation-Depth <br /> supplied by client <br /> A <br /> q. <br /> Avgqc Averaged recorded by value(qc) Avggc a— <br /> n,_1 <br /> n=1 when interpretations are done at each point <br /> Averaged corrected tip(qt)where Avgq1=1£4, <br /> Avgqt 4,=9,+(t-a)•u <br /> n=1 when interpretations are dome at each point <br /> n�, <br /> Avgfs Averaged sleeve friction(f,) r fs <br /> n=1 when interpretations are dow at each point <br /> Averaged fiction ratio(Rf)where friction ratio is defined Avgs <br /> AvgRf <br /> as AvgRf=I00%-AvNt <br /> L3 Rf=I 00%•l rr=1 when interpretations ars done at each point <br /> qt <br /> Avgu Averaged dynamic pore pressure(u) A"g"--Eu, <br /> J? <br /> ,., <br /> n-1 when interpretations are dune at each point <br /> Averaged Resistrvity(this data is not always available Avg._ ERESISTIVITY, <br /> AvgRes since it is a specialized test requiring an additional n,-, <br /> module) n=1 when interpretations are done at each point <br /> Averaged UVIF ultra-violet Induced fluorescence (this <br /> 9 Avgu= i±UVIF, <br /> AvgUVIF data is not always available since it is a specialized test n'-1 <br /> requiring an additional module) n=1 when interpretations are done at each point <br /> Avg7emp Averaged Temperature(this data is not always available AvguE, <br /> M 1 ETEMPERATUR <br /> since it is a specialized test) <br /> n=1 when interpretations are done at each point <br /> Averaged Gamma Counts(this data is not always Avgu=I EGAMMA, <br /> AvgGamma available since it is a specialized test requiring an n,., <br /> additional module) n=i when interpretations are done at each point <br /> SBT Soil Behavior Type as defined by Robertson and See Figure f 2, 5 <br /> Campanella <br /> Unit Weight of sal determined from one of the following <br /> user selectable options <br /> U Wt t) uniform value See references 5 <br /> 2) value assigned to each S13T zone <br /> 3) user supplied unit weight profile <br /> T Stress <br /> Total vertical overburden stress at Mid Layer Depth Tress=�Y,h. <br /> A layer is defined as the averaging interval specified by where yy is layer unit weight <br /> civ the user For data interpreted at each point the Mid Layer hr is layer thidcrusss <br /> Depth is the same as the recorded depth <br /> GREGG <br /> CPTSUMM-1 20C—Rev 02-07-31 <br />