Risk Assessment of EPB Shield Construction Based on the Nonlinear FAHP Method

Table 7

Membership value table of the risk factors.

Risk level risk factor
Level 1	0	0	0	0	0	0	0	0	0	0	0	0.1	0.2	0	0	0	0.2	0	0
Level 2	0	0.2	0.3	0.2	0.2	0	0	0.1	0.2	0.5	0.4	0.4	0.3	0.2	0	0	0.5	0.3	0.3
Level 3	0.8	0.7	0.6	0.7	0.7	0.2	0.3	0.5	0.6	0.5	0.5	0.5	0.5	0.6	0.1	0.2	0.3	0.6	0.6
Level 4	0.2	0.1	0.1	0.1	0.1	0.6	0.6	0.4	0.2	0	0.1	0	0	0.2	0.7	0.7	0	0.1	0.1
Level 5	0	0	0	0	0	0.2	0.1	0	0	0	0	0	0	0	0.2	0.1	0	0	0