Table 1.
Criteria for Assessing the Degree of Reinforcement Corrosion Risk by Use the Galvanostatic Pulse Method | ||||
---|---|---|---|---|
Corrosion Current Density |
icor [μA·cm−2] |
Reinforcement corrosion activity | Corrosion pace; [mm·year−1] | |
<0.5 | not forecasted corrosion activity | <0.006 | ||
0.5–2.0 | Irrelevant corrosion activity | 0.006–0.023 | ||
2.0–5.0 | Low corrosion activity | 0.023–0.058 | ||
5.0–15.0 | Moderate corrosion activity | 0.058–0.174 | ||
>15.0 | high corrosion activity | >0.174 | ||
Reinforcement Stationary Potential | Est [mV] |
<−350 | 95% of corrosion probability | |
−350–−200 | 50% of corrosion probability | |||
>−200 | 5% of corrosion probability | |||
Concrete Cover Resistivity | Θ [kΩ·cm] |
≤10 | high corrosion probability | |
10–20 | medium corrosion probability | |||
≥20 | small corrosion probability |