Applicability of Artificial Neural Networks to Predict Mechanical and Permeability Properties of Volcanic Scoria-Based Concrete

Table 1

Chemical composition of the ingredients used in the concrete mix.

Chemical composition (mass, %)	Materials
	VS	Clinker	Gypsum	Dolomitic aggregate	Natural sand
SiO2	46.52	21.30	0.90	0.42	93.39
Al2O3	13.00	4.84	0.07	0.38	0.57
Fe2O3	11.40	3.99	0.10	0.10	0.24
CaO	10.10	65.05	32.23	31.40	1.70
CaOf	—	2.1	—	—	—
MgO	9.11	1.81	0.20	20.46	0.20
SO3	0.27	0.25	45.29	0.18	1.15
Loss on ignition	2.58	—	21.15	46.48	2.52
Na2O	2.14	0.60	—	0.06	0.06
K2O	0.77	0.28	—	0.30	0.05
Cl^−	<0.1	0.05	—	0.021	0.017