Assertion: calcium hydroxide's effect | /r/CapableOf | contribute to the carbonation of portlandite
Facets:
value: by atmospheric co
type: OTHER
value: in concrete
type: LOCATION
Source sentences:
text: The same catalytic effect by the alkali hydroxides (function of the Na 2 O eq content of cement) also contributes to the carbonation of portlandite by atmospheric CO 2 in concrete although the rate of propagation of the reaction front is there essentially limited by the CO 2 diffusion within the concrete matrix less porous.