Luis Fernando Molina Prieto, María Fernanda Garzón Castellanos
El artículo revisa los avances de la nanotecnología en los campos de la arquitectura, la ingeniería civil y la industria de la construcción, con énfasis en los seis nanomateriales más utilizados actualmente en esa industria. Se concluye que la nanotecnología amplía las potencialidades del concreto y reduce su impacto ambiental, porque logra mayor resistencia mecánica con menores dimensiones de los elementos estructurales.
The article studies some of the properties of the concrete modified with nanomaterials, being the most outstanding: increased compressive, flexural, traction and shear strength; increase of modulus of elasticity; reduction of porosity and permeability minimization; capacity of self-cleaning; better fluidity of the liquid mixture and improvement of plasticity. Emphasis is placed on six nanomaterials as being the most used in the construction industry: Nano-silica, Titanium Nano- Dioxide, Nano-Magnetite, Calcium Nano-Carbonate, Aluminum Nano-Trioxide and Carbon Nanotubes. It is concluded that nanotechnology extends the potential of concrete and reduces its environmental impact, because it achieves greater mechanical resistance with smaller dimensions of the structural elements.
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