Numerical Analysis on the Bending Performance of Prestressed Superposing-Poured Composite Beams

Table 4

Mechanical parameters of reinforced bars [16].

Types of bars	Diameter (mm)	Yielding strength (MPa)	Ultimate strength (MPa)
Stirrups	8	364.8	564
Hanger bars	8	364.8	564
Longitudinal bars	20	455.1	580
Prestressing bars	9.5	1395	1860

Referring to the code for design of concrete structures (GB 50010-2010).