Experimental Study on Strain Penetration Effects in Fixed-End Rotation of RC Beam-Column Connections with High-Strength Reinforcement

Table 2

Material properties of reinforcement.

Grade	Diameter(mm)	Yield strength fy (MPa)	Ultimate strength fu (MPa)	Yield strain εy	Percentage elongation at maximum force εu
HPB300	10	381	513	0.00191	0.150
HRB400	10	498	632	0.00249	0.148
	18	460	621	0.00230	0.136
HRB500	18	590	760	0.00295	0.116
	20	581	732	0.00291	0.122
	22	543	713	0.00272	0.113
HRB600	18	631	825	0.00316	0.108
	20	654	837	0.00327	0.104
	22	628	801	0.00314	0.107