$ cat posts/rebar-corrosion-repair-neutralizing-chlorides-and-restoring-protection
┌─ 2026-07-23 ──────────────────────
Rebar Corrosion Repair: Neutralizing Chlorides and Restoring Protection
Concrete lasts because it stays in a quiet balance. Portland cement forms a highly alkaline pore environment that passivates steel, keeping rebar from rusting. When chlorides break that balance, the corrosion cycle starts. It is not just surface damage. Once the steel begins to lose its passive film, cracks widen, spalls form, and the damage accelerates from the inside out. Repair is not complete when you patch the surface. The real work is stopping the chloride-driven corr
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