Effect of the Cement-to-Water Ratio and Fractal Granular Model on the Prediction of Concretes Compressive Strength

International Journal of Concrete Structures and Materials

Table 2 Characteristics of aggregates—results of XRD analysis.

Characterisation	Fine and coarse aggregate					XRD results	Aggregate	Dune sand
Characterisation	DS	QS	3/8	8/15	15/25	XRD results	Fine and coarse	DS
Densité absolue (g/cm³)	2.64	2.59	2.64	2.63	2.65	SiO₂ (%)	33.34	44.06
Équivalent de sable	84.4	69.65				Al₂O₃ (%)	5.58	1.33
Module de finesse	2.35	2.93				Fe₂O₃ (%)	6.37	0.04
Absorption d'eau (%)	0.5	1.71	2.15	1.92	0.79	CaO (%)	24.17	25.34
Micro-Deval			32.4	24	18.2	MgO (%)	4.07	1.00
Los Angeles			19.66	18.28	15.32	SO₃ (%)	0.17	2.65