Performance of a Fly Ash Geopolymeric Based Binder with Calcium Hydroxide, Portland Cement and Metakaolin as Additives

Table 4: EDS atomic ratios.

Ratios	FA	MK	M1 90%FA;10%CH; SS/SH=2.5; A/B=1.0			M2 90%FA;10%CH; SS/SH=2.0; A/B=0.8			M3 90%FA;10%CH; SS/SH=2.0; A/B=1.0			M4 80%FA;10%CH; 10%MK; SS/SH=2.5; A/B=1.0			M5 70%FA;10%CH; 20%MK; SS/SH=2.5; A/B=1.0
Ratios	FA	MK	Z1	Z2	Z3	Z1	Z2	Z3	Z1	Z2	Z3	Z1	Z2	Z3	Z1	Z2	Z3
SiO₂/Al₂O₃	4.55	2.60	7.20	7.70	7.30	9.90	8.0	10.1	5.86	6.14	5.80	7.69	9.20	6.77	7.64	5.80	4.48
Al₂O₃/Na₂O	9.65	75.0	0.31	0.32	0.57	0.48	0.59	0.50	0.67	0.61	0.65	0.66	0.48	0.50	0.49	0.46	0.64
CaO/ SiO₂	0.02	*	0.14	0.17	0.15	0.19	0.19	0.20	0.17	0.21	0.18	0.13	0.12	0.17	0.13	0.18	0.16
Na₂O/CaO	1.27	*	3.31	2.43	1.62	1.09	1.12	1.28	1.47	1.26	1.46	1.57	1.88	1.90	2.10	2.10	2.25
MgO/ Al₂O₃	0.24	*	0.16	0.36	0.18	0.19	0.25	0.19	0.22	0.21	0.22	0.18	0.15	0.19	0.07	0.14	0.86
Fe₂O₃/ Al₂O₃	0.21	0.04	0.14	0.27	0.23	0.33	0.27	0.26	0.22	0.25	0.22	0.18	0.16	0.22	0.13	0.21	0.10

*Oxides of CaO and MgO were not detected