The impact of carbonation on the firing resistivity of concrete.
This article may be helpful:
https://www.researchgate.net/publication/265940007_Repair_of_Fire-Damaged_Concrete_Improvement_of_Carbonation_Resistance
The carbonation depth of the concrete increased with raising the heating temperature for any cooling methods, and was smaller when the concrete was cooled in the air than by water. The recovery of carbonation resistance was found when the temperature was lower than 450 o C, however, the longer the elapsed time after being subjected to the higher temperatures above 450 o C, the lower the carbonation resistance.
I completely agree with Prof. Dr. Mohannad Husain Al-Sherrawi
The longer the elapsed time after being subjected to the higher temperatures above 450 o C, the lower the carbonation resistance. The application of CS to the surface of heated concrete could improve the carbonation resistance of the heated concrete.
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