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

Table 4

Damage factor of test surfaces under impact load.

Test surfaces	Average value	Variance	Maximum	Minimum
C1X5-B-C	0.07186	0.00681	0.3680	0
C1X5-A-D	0.08629	0.01076	0.3743	0
C2X5-B-C	0.10540	0.01147	0.4944	0
C2X5-A-D	0.09397	0.01533	0.5029	0
C1X10-B-C	0.08760	0.00786	0.3759	0
C1X10-A-D	0.13810	0.01909	0.4862	0
C2X10-B-C	0.08620	0.01307	0.4605	0
C2X10-A-D	0.12389	0.01338	0.5996	0