Improvement in Carbonation Resistance of Portland Cement Mortar Incorporating γ-Dicalcium Silicate

Table 4

The curing process and characterizations of the samples.

	Accelerated carbonation experiment (curing process)	Characterizations	Samples
Cement paste	X (28-day water curing + 56-day air curing)	XRD FT-IR	OPC-P
			γ5-P
			γ10-P
			γ20-P
			γ40-P
	O (28-day water curing + 28-day air curing + 28-day accelerated carbonation)	XRD FT-IR DSC-TG	OPC-PC
			γ5-PC
			γ10-PC
			γ20-PC
			γ40-PC
Cement mortar	X (28-day water curing + 56-day air curing)	Mercury intrusion porosimetry (MIP)	OPC-M
			γ10-M
			γ40-M
	O (28-day water curing + 28-day air curing + 28-day accelerated carbonation)	Carbonation depth	OPC-MC
			γ5-MC
			γ10-MC
			γ20-MC
			γ40-MC
		MIP	OPC-MC
			γ10-MC
			γ40-MC