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CPT Interpretations Page 417 <br /> Interpreted Description Equabon Ref <br /> Parameter <br /> Bq= Du <br /> qt-6, <br /> ' Bq Pore Pressure Parameter where AU=u-u„ 1,5 <br /> and u=dynamic pare pressure <br /> u.q=equffibnum pore pressure <br /> ' - Normalized%for Soil Behavior Type classiFuadon as defined Qr=qt-6. — - ------ 2 5 - <br /> Q, by Robertson,1990 v <br /> — Normalized Frutlon Ratio for Sod Behavior Type classification Fr=100%• fS 2,5 <br /> - —Fr as defined by Robertson,1990---- ---- -- -qt-or, - — <br /> SBTn Normalized Sod Behavwr Type as defined by Robertson and See Figure 2 2,5 <br /> Campanella <br /> ' S8T-BQ Non-nomnaf¢ed sal behavior type based an the Bq parameter See Figure 5 7(reference 5) _ 2,5 <br /> SST-BQn Normalized Figure 5 8(reference 5)or Figure 3(referenceed sod Behavior base an the Bq parameter 2) 2,5 <br /> 1c=((347-loglaQf+iftlaFr+122)2 ps <br /> ' Where _ 4t 6Pa R <br /> 11 Sod Index for estimating grain characteristics Q R Pal f v, 3 8 <br /> And Fr is m percent <br /> ' P.=a6nospbenc Pressure <br /> 13.2=at osplrenc Pressure <br /> n varies from 0 5 to 10 and is selected <br /> in an deng"manner based on the resL*M 1. <br /> FC=1 75(fc325)-3 7 <br /> FC Apparent fines content(96) FC=100 for to>3 5 3 <br /> FC=O fork< 126 <br /> FC=5%if164<1c<26AND Fr<O5 <br /> EC<1 31 Zane=7 �— - <br /> 1 31 <Ic<2 05 Zone=6 <br /> This parameter is the Soil Behavior Type zone based on the 2 05<Ic<2 60 Zane=5 <br /> Ic Zane Ic parameter(valid for zones 2 through 7 on SBTn chart) 2.60<Ic<2 95 Zane=4 3 <br />' 295<Ic<360 Zone=3 <br /> Ic>360 Zone=2 <br />' Friction Angle determined from one of the following user <br /> selectable options <br /> PHI 5 <br /> a) Campanella and Robertson See reference <br /> b) Durgunoglu and Mitchel <br />' ----c} Janbu ---- � µ — <br /> Relative Derrsky determined from one of the following user <br /> selectable options <br />' Dr a)Ticino Sand See reference 5 <br /> b) HoMmund Sand <br /> c)Schmertmanri 1976 <br />' d)JamiaikowsM-All Sands <br /> a)Based on Schme rtmann's method involving a <br />' plot of S,Ja„ 1(S,J `),,and OCR <br /> OCR Over Consolidation Raba 9 <br /> where the Su/p'ratio for NC day is user <br />' CONE EC <br /> CPTSUMM-MethodsV122a-Rev 06-3D-201 <br /> 1 <br />