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immediate downloadReleased: 2020-04-02
BS EN 12390-12:2020
Testing hardened concrete Determination of the carbonation resistance of concrete. Accelerated carbonation method
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| Standard number: | BS EN 12390-12:2020 |
| Pages: | 22 |
| Released: | 2020-04-02 |
| ISBN: | 978 0 539 13535 0 |
| Status: | Standard |
DESCRIPTION
BS EN 12390-12:2020
This standard BS EN 12390-12:2020 Testing hardened concrete is classified in these ICS categories:
- 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 dioxide.
NOTE
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.