Application Study on Building Information Model (BIM) Standardization of Chinese Engineering Breakdown Structure (EBS) Coding in Life Cycle Management Processes

Table 5

Bridge EBS coding (from the 5^th–8^th district).

The 5^th district		The 6^th district		The 7^th district		The 8^th district
Structural classification	Coding	Structural component	Coding	Structural part	Coding	Structural member	Coding
Beam bridge	A	Substructure	A	Pier	ANNN	Pier shaft	ANNN
						Tie beam	BNNN
						Pile cap	CNNN
						Cover beam	DNNN
						Check block	ENNN
						Spacer	FNNN
				Abutment	BNNN	Abutment capping	ANNN
						Abutment shaft	BNNN
				Bridge foundation	CNNN	Pile foundation	ANNN
						Open caisson foundation	BNNN
		Superstructure	B	Bearing structure	ANNN	Trapezoidal girder	ANNN
						Box girder	BNNN
						Concrete slab	CNNN
						Hollow slab	DNNN
						Steel truss	ENNN
						Steel beam	FNNN
						Cast-in-situ structure	GNNN
				General structure	BNNN	Diaphragm	ANNN
						Wet joint	BNNN
		Bridge deck system	C	Bridge deck pavement	ANNN	Concrete	ANNN
						Asphalt concrete	BNNN
						Waterproof layer	CNNN
				Shrinkage and tension joint	BNNN	No breakdown structure	N###
				Strapped joint	CNNN
				Sidewalk	DNNN
				Balustrade	ENNN
				Drainage system	FNNN
				Illumination	GNNN
Cable stayed bridge	B	Reference beam bridge coding standard
Suspension bridge	C	Reference beam bridge coding standard
Arch bridge	D	Reference beam bridge coding standard
Culvert	E	Reference beam bridge coding standard

Notes: NNN denotes the serials number of structural part in the 7th district or structural member in the 8th district. It arranges from 001 to the total number of structural part or member.