Research Article

Experimental Study on Cumulative Damage Behavior of Steel-Reinforced Concrete Columns

Table 2

Steel strength index.

Steel typeYield strength (MPa)Ultimate strength (MPa)

I12.6 flange320.8448.3
I12.6 web338.9452.2
I14 flange387.5523.3
I14 web380.2484.4
I16 flange385.8514.2
I16 web366.7480.7
C16524.7659.1
C8453.8614.7