Research Article

Cost and CO2 Emission Reduction Effects of a Partially Encased Composite Precast Concrete Beam

Table 7

Unit cost of resources.

ItemUnitUnit price

ConcreteUSD/m387.26
Steel-Q235USD/kg0.57
Steel-Q345USD/kg0.58
RebarUSD/kg0.60
BoltsUSD/kg0.78