Table 3. Reinforcement material of hardware components

Material	Before reinforcement	After reinforcement	Standard
Vertical web member	SS275	-	KS D 3503(general structural rolled steel; Korean Agency for Technology and Standards, 2023)
Side hardware
Tension bars		STS304	KS D 3706(㉿stainless steel bar; Korean Agency for Technology and Standards, 2018)
Turnbuckle