Integration of BIM and Energy Consumption Modelling for Manufacturing Prefabricated Components: A Case Study in China

Table 11

Energy consumption inventory of prefabricated column production.

Prefabricated column production stages	Energy consumption contents	Energy consumption data
Raw material production stage	Energy consumption of cement production	2637.63 kJ/kg
	Energy consumption of sand production	600 kJ/kg
	Energy consumption of stone production	200 kJ/kg
	Energy consumption of steel bar production	16951.53 kJ/kg
Raw material transportation stage	Energy consumption of cement transportation	51.66 kJ/kg
	Energy consumption of sand transportation	1711.782 kJ/kg
	Energy consumption of stone transportation	1711.782 kJ/kg
	Energy consumption of steel bar transportation	67.98 kJ/kg
Factorized production stage	Energy consumption of bridge crane	412658.1 kJ
	Energy consumption of steel hoop bender	18 kJ
	Energy consumption of steel cutter	21.6 kJ
	Energy consumption of steel bender	25.2 kJ
	Energy consumption of forklift truck	154.8 kJ
	Energy consumption of gas-fired boiler	7618708 kJ
	Energy consumption of human labour	6145 kJ