Safety Criteria and Standards for Bearing Capacity of Foundation

Table 5

Standards for the factors of safety of slopes in China and elsewhere.

Standard	Admissible factor(s) of safety	Note
Design Code for Slopes in Hydraulic Engineering (SL386-2007) [19]	1.3–1.25, 1.25–1.2, 1.2–1.15, 1.15–1.1	Normal condition, correspond to slope grades of 1–4, respectively
Canadian Foundation Engineering Manual [22]	1.3–1.5	Following values suggested by Terzaghi and Peck
Guide to Slope Maintenance, Hong Kong [23]	1.2–1.4	No