Table 1.

Material properties of the test specimen.

Member	Material	${\mathit{f}}_{\mathit{y}}$ (MPa)	${\mathit{f}}_{\mathit{u}}$ or ${\mathit{f}}_{\mathit{c}\mathit{u}}$ (MPa)	${\mathit{E}}_{\mathit{s}}$ or ${\mathit{E}}_{\mathit{c}}$ (GPa)
Concrete	C50	N/A	61.3	34.6
Gusset plate	Q370qE	452	583	206
Steel web	Q370qE	439	557	206
Reinforcement	HRB400	458	640	203

$f_y$: yield strength of steel; $f_u$: tensile strength of steel; $f_{cu}$: compressive strength of concrete; $E_s$: elastic modulus of steel; $E_c$: elastic modulus of concrete. N/A: this item does not exist.