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Some points you may concern: }u?DK,R
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1) M-C model, undrained condition, effective stress analysis: iwx*mC{|A
In this case, the plasticity can be predicted as usual; e` {F7rd:
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2)M-C model, undrained condition, total stress analysis: T7qE
2
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In this case, there is not effective stress calculation due to no pore pressure generated. # ; 3v4P
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The total stress analysis plasticity occurs as soon as the total stresses reach the failure fZk a $
4
h =
Mmd
criterium while with an effective stresses analysis plasticity occurs when the effective stresses C=,O'U(ep
Or<OmxJg
reach the failure criterium. bJ5 VlK67R
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The latter is of course more realistic; only the effective stresses determine plasticity, not the water pressures. yp
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In other words, using total stress analysis is only correct when the calculation is elastic. But this case is not very often in reality. q:ah%x[
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Suggestion: Try to use effective stress analysis when it is undrained condition (typically, there is option for this in PLAXIS)." 7+;CA+;
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"1) M-C model, undrained condition, effective stress analysis: w e}G%09L
In this case, the plasticity can be predicted as usual;" '<-F3
2)M-C model, undrained condition, total stress analysis: 'gv ~M _
y1Op Z
In this case, there is not effective stress calculation due to no pore pressure generate Cr>YpWm
9AP." RV
THESE STATEMENT DO NOT MAKE SENSE TO ME.
