Review Article
Electrical Resistivity of Concrete for Durability Evaluation: A Review
Table 2
Details of the reinforcements and measurement methods used to record corrosion rate.
| Refs | Reinforcement | Cause of corrosion | Corrosion rate | Φ (mm) | Length (mm) | Cover depth (mm) | Technique | Details | Correction for ohmic drop |
| [23] | 10 | 200 | 1, 10, 20 | Carbonation | — | — | — | [8] | 10 | 300 | 50 & 75 | Not studied (NS) (only effect of rebar presence on resistivity measurement was considered) | — | — | — | [24] | 16 | 300 | 50 | Cyclic ponding with sea water | — | — | — | [25] | 4 | 110, 160, 200 | Various (53.5–100) | NS | — | — | — | [26] | 8 | 40 | 80 | NS | — | — | — | [27] | 13, 19, 25 | 410 | 20, 30, 40 | NS | — | — | — | [28] | 10 | 250 | 150 | NaCl solution/marine exposure | LPR | Embedded steel rebar | N | [30] | 10 | — | 25 | NS | — | — | — | [45] | 16 | 200 | 50 | NaCl solution/marine exposure | — | — | — | [46] | NR | NR | NR | NaCl solution | LPR | NR | NR | [47] | NR | NR | 70 | NaCl solution | — | — | — | [49] | 16 | NR | 42 | NaCl solution | NR | Embedded steel rebar | NR | [50] | 8 | 150 | 10 or 30 | NaCl solution | LPR | Embedded CE & RE on the surface | N | [60] | 10 | 200 | 15 | NaCl solution | — | — | — | Authors | 10 | 914 | 19–38 | NaCl solution | LPR | Embedded steel rebar | Y |
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