Table 2. Chemical composition of major... | Emerald Publishing

Table 2.

Chemical composition of major oxides SiO₂, CaO, Al₂O₃ and Fe₂O of the recycled concrete fines for each angle (α1 = 90° and α2 = 85°)

Concrete	Fraction size: μm	α1 = 90°				α2 = 85°
Concrete	Fraction size: μm	SiO₂	CaO	Al₂O₃	Fe₂O₃	SiO₂	CaO	Al₂O₃	Fe₂O₃
CEM I	0–63	29.64	38.31	2.54	2.50	31.10	36.12	3.34	3.07
	63–125	29.26	39.08	3.18	3.20	29.44	38.99	3.17	3.16
	125–250	40.30	32.23	3.28	2.92	40.36	31.97	3.40	2.83
CEM III	0–63	32.25	37.13	4.66	2.01	33.74	31.53	4.90	1.80
	63–125	31.70	36.46	4.43	1.77	34.80	27.07	4.63	1.71
	125–250	40.01	46.07	4.30	1.57	30.66	27.07	4.60	1.58

Concrete	Fraction size: μm	α1 = 90°				α2 = 85°
Concrete	Fraction size: μm	SiO₂	CaO	Al₂O₃	Fe₂O₃	SiO₂	CaO	Al₂O₃	Fe₂O₃
CEM I	0–63	29.64	38.31	2.54	2.50	31.10	36.12	3.34	3.07
	63–125	29.26	39.08	3.18	3.20	29.44	38.99	3.17	3.16
	125–250	40.30	32.23	3.28	2.92	40.36	31.97	3.40	2.83
CEM III	0–63	32.25	37.13	4.66	2.01	33.74	31.53	4.90	1.80
	63–125	31.70	36.46	4.43	1.77	34.80	27.07	4.63	1.71
	125–250	40.01	46.07	4.30	1.57	30.66	27.07	4.60	1.58