A Risk Analysis Method of Cable Fire in Utility Tunnel Based on a Bayesian Network

Table 4

Records of critical basic events over ten years.

Critical basic events code	Years
	2007	2008	2009	2010	2011	2012	2013	2014	2015	2016
X1	0	1	0	0	0	1	0	1	2	0
X2	0	1	1	1	0	1	0	1	2	0
X3	0	1	1	1	0	1	0	1	2	0
X5	1	1	0	2	0	3	2	2	5	1
X9	0	0	0	0	0	0	0	1	1	1
X10	0	0	0	0	0	0	0	1	1	0
X11	0	0	0	0	0	0	0	1	1	0
X12	1	1	0	2	0	0	2	2	3	1
X13	1	0	0	3	0	0	1	2	3	0
X14	1	0	0	2	0	0	1	2	3	0
X15	0	1	0	0	0	0	0	1	1	0
X16	0	0	0	0	0	0	0	1	1	1
X17	0	0	0	1	0	0	0	1	1	1
X18	0	0	0	0	0	0	0	1	1	0
X19	0	0	0	1	0	0	0	0	0	0
X23	1	0	0	1	0	0	0	0	0	0