Risk Identification and Assessment during the Excavation of the Deep Foundation Pit

Table 6

Expert confidence.

	Education	Work experience (years)	Judgment ability αm	Subjective reliability βm	Confidence θm
E1	PhD student	18	1	0.9	0.9
E2	Postgraduate	15	1	0.8	0.8
E3	Postgraduate	12	0.8	0.9	0.72
E4	PhD student	16	0.9	0.9	0.81
E5	Postgraduate	13	0.8	1	0.8