Research Article

A Numerical Study on the Influence of Bolt Corrosion on the Long-Term Behavior of Steel–Concrete Composite Beams

Table 4

Deflection relationship for the same load at different corrosion rates.

Long-term loading (kN)Levels of anchor bolt corrosionLoading duration (days)
205075100125150175200225

205%0.320.680.911.071.091.11.121.14
15%0.550.931.011.11.141.161.181.191.21
Increase169.35%135.96%112.45%109.82%106.53%106.37%106.72%106.25%105.42%

305%0.450.951.251.411.491.511.531.561.59
15%0.791.361.491.561.61.631.671.691.7
Increase175.54%143.27%119.11%110.28%107.46%108.21%108.53%108.33%107.17%

405%0.571.21.581.81.891.911.941.972.01
15%1.061.842.012.12.162.212.252.282.3
Increase187.40%152.95%127.16%116.67%114.72%115.52%115.86%115.65%114.41%

505%0.681.431.882.152.242.272.312.352.4
15%1.192.192.622.8833.023.063.13.15
Increase176.49%152.86%138.89%134.23%133.54%132.73%132.40%132.07%131.41%