Risk Identification and Assessment during the Excavation of the Deep Foundation Pit

Table 3

Comprehensive relation matrix.

Indexes	U11	U12	U21	…	U45	U51	U52
U11	0.032	0.028	0.028	…	0.032	0.029	0.028
U12	0.037	0.032	0.032	…	0.036	0.033	0.032
U21	0.035	0.030	0.030	…	0.034	0.031	0.030
…	…	…	…	…	…	…	…
U45	0.033	0.028	0.028	…	0.032	0.029	0.028
U51	0.045	0.032	0.032	…	0.098	0.033	0.032
U52	0.046	0.033	0.033	…	0.101	0.062	0.033