Investigation of Residual Bearing Capacity of Corroded Reinforced Concrete Short Columns under Impact Load Based on Nondestructive Testing

Table 3

Damage factor of test surfaces under corrosion.

Corrosion rate	Test surfaces	Average value	Variance	Maximum	Minimum	Corrosion damage factor
17%	C1X5-B-C	0.08066	0.00344	0.2044	0.00025	0.07024
	C1X5-A-D	0.05937	0.00201	0.1726	0.00025
	C2X5-B-C	0.06370	0.00371	0.3682	0.00078
	C2X5-A-D	0.07721	0.00313	0.2232	0.00806
30%	C1X10-B-C	0.05909	0.00144	0.1228	0.00078	0.07437
	C1X10-A-D	0.07469	0.00425	0.3718	0.00182
	C2X10-B-C	0.08209	0.00300	0.2029	0.00025
	C2X10-A-D	0.08161	0.00269	0.2333	0.00078