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

Table 2

Object striking unsafe scene characteristics.

Category	Failure factors	Core key factors	Scenario problem characteristics
People	C1 blind operation, improper standing
	C2 violation of work rules
	C3 not wearing helmet F1: not wearing helmet
	C4 entering the dangerous area of the city	CD1 working in violation of rules and regulations	F1 not wearing helmet
	C5 poor safety awareness	CD2 poor safety awareness	F2 improper standing
	C6 confusion in site management	CD3 falling from height	F3 equipment overturning
	C7 blind command and organization of construction	CD4 equipment overturning	F4 falling objects from height
		CD5 dangerous area	F5 legal operation
		CD6 safety helmet	F6 poor safety awareness
Object	D1 falling from height
	D2 equipment overturning
	D3: equipment failure