If a crack is drawn too deep, it may eliminate legitimate compressive forces, causing the FS to be overestimated.
Adding a tension crack eliminates negative stresses and helps the Limit Equilibrium engine converge more reliably. slide2 crack
: Slide2 treats the area within the tension crack as having zero shear strength. This forces the potential slip surface to terminate at the base of the crack rather than continuing through the upper soil layers. If a crack is drawn too deep, it
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