9_CEG 4012 Notes Fall 2011 CEG 4012 Notes Fall 2011

9_CEG 4012 Notes Fall 2011 CEG 4012 Notes Fall 2011 - ....

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r r ,- 86 Influence Chart for Vertical Stress Increase Beneath Circular Loaded Area '(From Perlott and Baron) 20 30 40 50 60 80 100 17 z 17 z =Ixq I I I I I I I V1lllll1Ui __ • _. • • • • I I I I I .-I'm' NOTEj Numbers on curv~ .indicate values of rIa. III I Influence value, I(x 100) 2 3 4 5 6 8 10 _____ I ~1-H-11*HI+H+'~'-r-t-l~~~fe:25lH+t '3,!) N-I- F-I- 0.2 0.3 0.4 0.50.6 0.8 1.0 ~ ~ ~ I 1 ~+- . ..Jt-+-II\-+--I--t\+++-H-I+++++-----+f---+f-Th~ 7 I----+-----I~ ++-+-~ -t-it-+t-+1Htt+Tt'H----r-ft-+-tIIJ"- 81----+---I-4-+---+-+-H-+-+-IH++-H+lf+H/--f-+J''-HWH~+-+-+-I-+++++IH+ ~.l 11---- ~r- 2b. .. f"-. ..T t .... ~r TTrr r ....... .f-. .. I ~,. .., f:::I b.. ...........
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