Risk Assessment of Building Foundation Pit Construction Based on Fuzzy Hierarchical Comprehensive Evaluation Method

Table 11

Risk level affiliation.

Indicators	Grade
	Slightly risk I	General risk II	Significant risk III	Highly risk IV
Construction personnel risk awareness	0.125	0.375	0.250	0.250
Operation behavior of construction personnel	0	0.250	0.125	0.625
Manage personnel risk awareness	0	0.250	0.625	0.125
Construction technique	0.375	0.625	0	0
Construction quality	0.250	0.500	0.250	0
Construction machinery and equipment	0.375	0.375	0.125	0.125
Construction proximity condition	0.375	0.375	0.250	0
Geological phenomenon	0.250	0.625	0.125	0
Rock types	0.375	0.625	0	0
Underground water	0.250	0.500	0.250	0
Design of foundation pit enclosure	0	0.625	0.375	0
Foundation reinforcement design	0.125	0.500	0.375	0
Drainage design	0.125	0.500	0.125	0.250
Safety education and training	0	0.375	0.625	0
Safety regulation	0.125	0.125	0.375	0.375
Organization and coordination	0.250	0.750	0	0