[Retracted] Discovery and Discrimination of Bridge Engineering Safety Issues by BIM Virtual Scene Combined with Robotic Mapping

Table 3

Lifting injury unsafe scenario features.

Category	Failure factors	Core key factors	Scenario problem characteristics
People	E1 illegal operation
	E2 failure to maintain a safe distance		F1 improper standing
	E3 no license to work		F2 soft foundation
	E4 chaotic site management	EF1 illegal operation	F3 rope missing strands
		EF2 crane	F4 illegal operation
Object	F1 crane	EF3 inappropriate standing position	F5 falling hook
	F2 hook	EF4 hook
	F3 loose foundation	EF5 soft foundation
	F4 wire rope missing strands