Tunnel Security Management Based on Association Rule Mining under Hadoop Platform

Table 5

Key safety hazards in tunnels.

Association rule codes	Safety hazard code	Name of safety hazard
2	S0102	Cracking in the wall
5	S0202	Water leaks
9	S0401	Gauge limits
12	S0501	Damage to the base of the paving
8	S0303	Slumped rock fall at the cave entrance