Study on Cumulative Damage Law of Stainless Steel-Reinforced Concrete Columns under Step Impact Loading

Table 4

Crack development under different impact energies.

Specimen	Crack widths at each drop hammer height (mm)
	2 m	4 m	6 m	8 m
R1	0	0.230	0.294	0.318
R2	0	0.298	0.422	0.554