// multi-utility computation suite · offline · instant · precise
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eng.concrete-carbonation-depth Calculator
Calculates concrete carbonation depth from CO₂ concentration, diffusion coefficient, and exposure time using the simplified diffusion model. Carbonation depth follows √(t) — concrete cover of 20–25 mm protects rebar from depassivation for 50+ years in most environments.
Inputs
K Rate
Amount per unit of time or per unit quantity. Check the denominator before interpreting.
T Yr
Duration of the process. Make sure units match the rate inputs (seconds, minutes, or hours).
Cover Mm
Reference formula or conversion factor shown for context.
W C Ratio
Reference formula or conversion factor shown for context.
Results
carbonation depth (mm)
The computed depth.
cover remaining margin (mm)
Sample size or count used in the calculation.
adjusted k for w/c ratio
The proportional relationship between two quantities.
x_c = k · √t
Reference formula or conversion factor shown for context.
k values
The computed numeric or monetary value.
corrosion initiation risk
Overall risk level based on the computed score or classification. Higher risk may call for mitigating actions or additional review.