Influence of Precast Member Corbels on Seismic Performance of Precast Beam-Slab-Column Joints

Table 1

Mechanical properties of materials.

Materials	Grade	d (mm)	fy (MPa)	fu (MPa)	Es (MPa)
Reinforcement	HRB400	28	420.6	593.9	2.1 × 10^5
		25	454.4	617.0	2.1 × 10^5
		22	446.5	574.9	2.1 × 10^5
		18	436.2	564.1	2.0 × 10^5
	HPB300	10	309.3	451.3	2.20 × 10^5
Concrete	Strength	fcu (MPa)	fc (MPa)	Ec (MPa)	ν
	C40	45.4	26.6	3.14 × 10^4	0.2
	C45	51.1	29.3	3.38 × 10^4	0.2
	C50	55.9	32.7	3.33 × 10^4	0.2

Note: d is the diameter of steel; f_u is the ultimate strength of steel; E_s and E_c are steel and concrete elastic modulus, respectively; f_cu is the compressive strength of concrete cube; f_c is the compressive strength of concrete prism; and ν is Poisson’s ratio.