NaCl was used as Chloride source. 10% of NaCl based on water was added to the mortar mix. The aim of the study was to determine the amount of bound and free chlorides from the initial amount added after different curing days such as 3, 7, 14, 21, 28, 56, 91 days. The  blended mortar mix with coal fly ash and GGBS was compared with normal OPC mortar. 

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