Construction Safety Risk Assessment of Large-Sized Deep Drainage Tunnel Projects

Table 8

Correlation degree of each index to each risk level.

Index	I	II	III	IV	V	Risk level
A12	−0.4750	−0.3000	0.0500	−0.0455	−0.3438	III
A22	−0.6875	−0.5833	−0.3750	0.2500	−0.1667	IV
B11	−0.6688	−0.5583	−0.3375	0.3250	−0.1970	IV
D15	−0.5563	−0.4083	−0.1125	0.1452	−0.3039	IV
D16	−0.3182	0.0714	−0.0625	−0.3750	−0.5313	II
D23	−0.8188	−0.7583	−0.6375	−0.2750	0.6111	V
D24	−0.4313	−0.2417	0.1375	−0.1078	−0.3592	III
D26	−0.7000	−0.6000	−0.4000	0.2000	−0.1429	IV
E11	−0.5688	−0.4250	−0.1375	0.1897	−0.2959	IV
E24	−0.3611	−0.1154	0.1500	−0.2333	−0.4250	III