Flexural Behaviour of Combined FA/GGBFS Geopolymer Concrete Beams after Exposure to Elevated Temperatures

Table 4

Material	Heating case	Temperature	Sample ID
Geopolymer concrete	—	Ambient	GB-A
	(I)	400°C	GB-4
	(II)	600°C-1 h	GB-6
	(III)	600°C-2 h	GB-6-2
OPC concrete	—	Ambient	OB-A
	(I)	400°C	OB-4
	(II)	600°C-1 h	OB-6
	(III)	600°C-2 h	OB-6-2