Cause Analysis of Coal Mine Gas Explosion Based on Bayesian Network

Table 2

Main cause nodes of gas explosion.

Risk nodes	Correlation	Risk nodes	Sig.
T	←	C	0.869
	←	F	0.837
C	←	D2	0.612
	←	D3	0.511
	←	D4	0.468
	←	D8	0.417
	←	E1	0.557
	←	E2	0.530
	←	E3	0.677
	←	E5	0.632
	←	H2	0.801
F	←	H6	0.538
	←	H7	0.612
	←	H8	0.713
	←	S	0.652
M1	⟶	D1	0.563
	⟶	D7	0.543
M2	⟶	D9	0.610
	⟶	D10	0.701
	⟶	D11	0.522
	⟶	D13	0.612
	⟶	D14	0.689
	⟶	D15	0.522
S	←	H5	0.685
	←	H9	0.572
	←	H10	0.483
	←	H11	0.506
	←	E9	0.522
	←	D9	0.610
	←	D10	0.701
	←	D11	0.522
	←	D13	0.612
	←	D14	0.289
	←	D15	0.322
H1	⟶	H5	0.685
	⟶	H6	0.523
	⟶	H7	0.642
	⟶	H8	0.634
	⟶	H9	0.472
	⟶	H10	0.483
	⟶	H11	0.506
M10	⟶	M4	0.537
	⟶	M7	0.458
	⟶	M8	0.512
	⟶	M9	0.436
	⟶	D6	0.702