Integration of Interpretive Structural Modeling with Fuzzy Bayesian Network for Risk Assessment of Tunnel Collapse

Table 1

Tunnel collapse factors.

Factor	Description	Statistics	Percentage
Y1	Poor stability of surrounding rock	187	22.94
Y2	Special poor geological conditions	73	8.96
Y3	Severe bias	26	3.19
Y4	Shallow buried	32	3.93
Y5	Mutation of geological conditions	18	2.21
Y6	Groundwater seepage	107	13.13
Y7	Inaccurate geological survey	36	4.42
Y8	Unreasonable design	14	1.72
Y9	Irregular construction	59	7.24
Y10	Improper construction measures or poor quality	27	3.31
Y11	Untimely support	34	4.17
Y12	Insufficient support strength	21	2.58
Y13	Excessive construction disturbance	42	5.15
Y14	Low level of management awareness	39	4.79
Y15	Failure of monitoring and measurement standards	16	1.96
Y16	Inadequate advance geological forecast	9	1.10
Y17	Atmospheric rainfall	75	9.20