Intelligent Identification and Construction System of Prefabricated Tunnel Structure Based on BIM Technology

Table 1

Core connotation of prefabricated buildings.

Content	Traditional construction method	Fabricated construction method
Design phase	Disconnection between design, production, and construction	Integrated and information-based collaborative design
Construction stage	Wet operation and manual operation on-site	Assembly, specialization, refinement, and mechanization
Decoration stage	Blank room and secondary decoration	The decoration is synchronized with the main structure
Acceptance phase	Divisional and itemized sampling inspection	Whole process quality control
Management phase	Focus on labor subcontracting of migrant workers and pursue their own interests	EPC management pursues the maximization of overall benefits in the whole process