Review Article

Seismic Behavior of Corroded RC Bridges: Review and Research Gaps

Table 7

Relationship between crack widths with corrosion obtained from literature.

ReferencesType of specimenTime (day) (μA/cm2) (%)Crack width (mm)

[82]BeamNS2000<4.51.3

[83] Beam3–150.52.5–120.1–0.75
Bond-pull500NSNS

[58]Prism1–10010, 1000.5–2.50.05–0.5

[84] Beam280.8–9.2NS
Bond-pull1–283.6–19.20.06–0.46

[74]Column106–2041009.1–17.80.8–4.0

[75]Beam100–20010010.1–26.30.2–0.6

[85]Slabs1–2.531–75NS

[86]Beam126 hours<1NS

[43]Prism68–22110, 100NS0.06–1

[87] PrismNS5 V current 0, 120.35, 0.8

[88]Beam15–181–42.5–10NS

[89]Beam16–64 h31.25–5NS

[31]Prism700Up to 510–6

[90]Prism815, 766, 380, 306100, 200, 350, 5004.38, 7.3, 6.5, 7.260.25–1

[91] Beam17 yearsSaline Environment261.6
Beam14 years121.8

[92]Slab2–9 months100NS0.05–1.5

[93] T-beam2–15 yearsAverage: 0.128NS0.31–3.94
Column2–15 yearsNS0.2–0.51

[94]Wall spec.20–56 weeks = ±20 mVUp to 6.5%0.01–1