Testing hardened concrete. Determination of the carbonation resistance of concrete. Accelerated carbonation method
91.100.30 - Concrete and concrete products
This document quantifies the carbonation resistance of concrete
using test conditions that accelerate the rate of carbonation.
After a period of preconditioning, the test is carried out under
controlled exposure conditions using an increased level of carbon
The test performed under reference conditions takes a minimum
of 112 days comprising a minimum age of the specimen prior to
curing under water of 28 days, a minimum preconditioning period
of 14 days and an exposure period to increased carbon dioxide
levels of 70 days.
This procedure is not a method for the determination of
carbonation depths in existing concrete structures.
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