Impact of Crack on Stability of Slope with Linearly Increasing Undrained Strength

Table 2

Comparisons of stability number for vertical slopes () between lower and upper bounds of Li et al. [16] and the results of this study.

	FEM-LA [16]		Closed-form solution (this study)
	Lower bound	Upper bound	No crack	Tension crack
0.0	0.2697	0.2549	0.2610	0.3086
0.25	0.2364	0.2232	0.2301	0.2641
0.50	0.2105	0.1984	0.2058	0.2311
0.75	0.1900	0.1790	0.1862	0.2057
1.00	0.1732	0.1631	0.1701	0.1855