Concrete with Improved Chloride Binding and Chloride Resistivity by Blended Cements

Figure 2

DTG curves of cement paste samples with increasing content of GGBS: (a) non-steam-cured and non-salt-treated samples at the age of 90 days; (b) steam-cured and salt-treated samples at the age of 180 days (salt-treatment: between the ages of 28–38 days). Note. () Loss of humidity and dehydration of ettringite; () the second step of dehydration of Friedel’s salt; () dehydration of portlandite; () decomposition of carbonates and CSH.

(a)

(b)