Risk Assessment of Deep Foundation Pit Construction Based on Analytic Hierarchy Process and Fuzzy Mathematics

Table 1

Expert evaluation index table.

Index (Z)	Index grade
Years of relevant work (Z1)	0–5 years	5–10 years	10–15 years	15–20 years	over 20 years
Educational grade (Z2)	Specialist	Undergraduate	Postgraduate	PhD student	postdoc
Degree (Z3)	Other	College	Bachelor’s	Master’s degree	PhD
Professional and technical titles (Z4)	Other	Junior	Intermediate	Deputy senior	senior
Received the highest prize (Z5)	Other	City grade	Provincial grade	National grade	world-class
Rank assignment	1	2	3	4	5