Abstract

1% of Cℓ − ion by weight of cementitious materials was added as CaCℓ 2 to mortar mixes with and without flyash. Accelerated carbonation was applied on the mortars after short and long fog curing periods. The results showed significant increase of Cℓ − ions in the pore solution occurring as a result of carbonation. The increase was much more pronounced in flyash mortars. Prolonged initial curing helped to retain Cℓ − bound within the hydration compounds in the case of plain mortars while it resulted in the increase of Cℓ − content in the pore solution of flyash mortars.

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