Effect Of Curing Conditions On
Freeze-thaw De-icing Salt Resistance Of
Blast Furnace Slag Cement Mortars
Author(s)
O. Çopuroğlu, L.A. Fraaij & J.M. J.M. Bijen
Abstract
The freeze-thaw de-icing salt scaling resistance tests were performed on blast
furnace slag cement (BFSC) mortars, which were cured in 3% NaCl solution, tap
water (with/without plastic bags), demineralised water, CaSO4 saturated solution,
Ca(OH)2 saturated solution or NaOH saturated solutions. Additionally, the effect
of carbonation on the scaling resistance was studied. The effect of carbonation
on the microstructure of the BFSC mortar skin was investigated by optical
microscopy. The results showed that de-icing salt scaling resistance of a BFSC
mortar is strongly dependent on the occurrence of carbonation during curing
regime and to a less extent on the chemical composition of curing water.
Keywords: freeze-thaw
Keywords
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