Flexural Capacity and Behaviour of Geopolymer Concrete Beams Reinforced with Glass Fibre-Reinforced Polymer Bars

International Journal of Concrete Structures and Materials

Table 2 Trail mix proportion details and results.

Mix	G (kg/m³)	S (kg/m³)	FA (kg/m³)	M	S/S	A/F	C (kg/m³)	EW (kg/m³)	SP % (kg/m³)	W/B ratio	W/C ratio	Compressive strength, f ‘_c (MPa)
T01	1230	660	400	12	2.5	0.45		0	3	0.2145		45.5
T02	1230	660	400	12	2.5	0.45		32	2	0.3017		39.5
T03	1230	660	400	12	2.5	0.45		14	2	0.2511		47.5
T04	1230	660	400	12	2.5	0.45		48	2	0.3502		26.8
T05	1230	660	400	16	2.5	0.45		36	2	0.3009		39.4
T06	1230	660	400	8	2.5	0.45		27	2	0.3019		24.6
T07	1230	660	400	8	2.5	0.45		43	2	0.3504		19.5
T08	1230	660	400	8	2.5	0.4		50	2	0.3512		12.9
T09	1230	660	400	8	2.5	0.35		57	2	0.3521		10.4
T10	1230	660	400	12	2.5	0.45		38	2	0.3195		34.5
T11	1230	660					400				0.3	52.2
T12	1230	660					400				0.4	36.1
T13	1230	660					400				0.5	25.7

G coarse aggregate, S sand, FA fly ash, M molarity of sodium hydroxide, S/S sodium silicate–sodium hydroxide ratio, A/F alkaline-fly ash ratio, C cement, EW extra water, SP superplasticizer, W/B water-binder ratio, W/C water–cement ratio.