Error Source Analysis and Precision Assessment of Limit Equilibrium Methods for Rock Slopes

Table 6

Influence of progressive failure on safety factors and error range.

Schemes	LE method	FE method	Error (%)
1	1.06	1.01	−5
2	1.12	1.03	−9
3	1.18	1.10	−7
4	1.24	1.16	−7
5	1.30	1.26	−3
6	1.92	1.76	−9
7	0.91	0.65	−40
8	1.12	0.81	−38
9	1.28	1.17	−9
10	1.13	0.60	−88
11	1.21	0.99	−22
12	1.61	1.50	−7