Using the orientation data from Dips, Unwedge 3.0 would model a tunnel and identify "keyblocks"—the wedges of rock most likely to fall out. It allowed engineers to design rock bolts and support systems to hold these wedges in place. In an underground mine, the calculations performed by Unwedge were often the thin line between a safe tunnel and a catastrophic collapse.

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: Limit equilibrium analysis of 2D slip surfaces in soil or rock slopes.

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