Abstract
To investigate the protective effect of embedded anode cathodic protection on steel corrosion in sea sand concrete, the evolution of interfacial bond performance after anode consumption was studied through bond-slip tests and backscattered analysis. A bond-slip constitutive model was developed based on experimental data, and a long-term usable embedded zinc alloy anode protection scheme was proposed. The results show that after 360 days of seawater immersion, the bond strength between steel bars and sea sand concrete decreases by 30% due to steel corrosion. The bond strength between steel bars and concrete remains unchanged after applying the embedded zinc alloy anode cathodic protection system. The bond strength increases slightly after corrosion of the embedded zinc alloy anode, and the generated calcium zincate corrosion products show almost no expansion.
| Translated title of the contribution | 海砂混凝土-内嵌式阳极黏结性能演化规律 |
|---|---|
| Original language | English |
| Pages (from-to) | 1062-1068 |
| Number of pages | 7 |
| Journal | Jianzhu Cailiao Xuebao/Journal of Building Materials |
| Volume | 28 |
| Issue number | 11 |
| DOIs | |
| State | Published - 2025 |
| Externally published | Yes |
Keywords
- bond-slip
- cathodic protection
- constitutive model
- embedded
- sea sand concrete
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