93_CEG 4012 Notes Fall 2011 CEG 4012 Notes Fall 2011

93_CEG 4012 Notes Fall 2011 CEG 4012 Notes Fall 2011 -...

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BGB Inclination Factors (Ai): for (a = 00) = Aaj = ?v.,; = 1.001 for (+ = 0") ~ = ~ = [1-(~ J)' l?n = g for (+ > 0") ~ = ~ = [1-(~ J)' ~ = [1-( To)]' (= 0 if (X> +l Bearing Factors (N): I N q = e lttan9 tan 2 (45 + ~/ 2) ¢'(x in radians)1 N -1 N c = q , No = 5.14 for ~ = 0 tan~ I Ny = (N q -1) tan(1.4~) I Note: ~ in above equations should be the plane strain value, lPPs, (from a direct shear test) if (UB> 1) and the triaxial value, ~, if (UB = 1). The following approximate correlation may be used if needed: for 4»tr ~ 34 0 Q «PPs = 1.5~ - 17 0 for ~ < 34 0 Q «PPs = 4»tr (Lade and Lee, 1976) I . ~ I I I ; I 1 1 '- ~-' -'- I-A · Meyemm 0.1 1 \ I I -t I I j ,'! I 0.01 j
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This note was uploaded on 02/10/2012 for the course CEG 4012 taught by Professor Staff during the Fall '08 term at University of Florida.

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