Research Article

Experimental Study on the Effect of Boric Acid Corrosion on the Performance of Reinforced Concrete

Table 4

Mechanical properties of steel bar and steel plate under dry-wet cycles.

Test environmentSteel barSteel plate
Age (d)Concentration (%)Yield strength (MPa)Ultimate strength (MPa)Corrosion rate (%)Yield strength (MPa)Ultimate strength (MPa)Corrosion rate (%)

600460.9620.00.099312.3471.50.073
0.27461.0619.70.101312.0471.00.079
0.8461.3619.60.105312.5471.30.099
3461.0620.10.107312.5471.30.120

1200461.2619.80.137312.1471.20.121
0.27461.0619.80.144312.4471.20.131
0.8460.9619.80.148312.0471.00.142
3461.0619.60.153312.3470.80.151

1800460.8619.30.164312.4471.60.157
0.27461.2619.50.171312.4471.70.162
0.8461.0619.00.185312.2471.00.173
3460.8619.60.167312.3471.40.167

2400461.3619.00.190312.5471.70.183
0.27461.0619.30.188312.0471.50.194
0.8461.5618.80.191311.8471.20.197
3460.9619.50.185312.2471.10.183

3000459.8619.00.212312.0470.50.193
0.27460.7618.70.236311.8470.60.236
0.8460.4619.10.235311.9470.00.229
3459.3619.40.201311.5470.40.193