Vaca Arciga, L., Cruz Moreno, D., FaJardo San Miguel, G., Orozco Cruz, R. and Tienda Resendez, F. 2020. Use of nano-SiO2 as a preventive maintenance surface treatment in concrete aged by carbonation. Revista ALCONPAT. 10, 3 (Sep. 2020), 274-285. DOI:https://doi.org/10.21041/ra.v10i3.487.