Nanotechnology in Eco-efficient Construction Materials, by Fernando Pacheco-Torgal

By Fernando Pacheco-Torgal

Advent to nanotechnology in eco-efficient development fabrics. half 1 Infrastructural functions: Nanoscience and nanoengineering of cement-based fabrics; Nanoparticles for high-performance concrete (HPC); Self-sensing concrete with nanomaterials; using nanotechnology to augment the majority and floor houses of metal for structural purposes; Nanoclay-modified asphalt combinations for eco-efficient building; issues of safety with regards to nanomaterials for development functions. half 2 purposes for construction strength potency: skinny movies and nanostructured coatings for eco-efficient constructions; excessive functionality thermal insulation fabrics for constructions; Silica nanogel for energy-efficient home windows; Switchable glazing expertise for eco-efficient building; 3rd iteration photovoltaic (PV) cells for eco-efficient structures. half three Photocatalytic functions: Concrete, mortar and plaster utilizing titanium dioxide nanoparticles: functions in pollutants keep watch over, self-cleaning and photosterilisation; Self-cleaning tiles and glasses for eco-efficient constructions; Nanotechnology in production paints for eco-efficient structures; Nanotechnology for household water purification.

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Increasing the nanoparticle content caused a reduction in flexural strength because of the inadequate dispersion of nanoparticles within the concrete matrix. Givi et al.

Beyond the durability problems caused by imperfect concrete placement and curing operations, the real problem with the durability of ordinary Portland cement concrete (OPC) is the intrinsic properties of the material which has a high degree of permeability. , 2008). The importance of durability for eco-efficiency in construction materials has been described by Mora (2007). The author stated that increasing concrete durability from 50 to 500 years would reduce its environmental impact by a factor of 10.

Transportation Research Record, 2142, 89–95. Y. , 2007. Influence of nano-SiO2 addition on properties of hardened cement paste as compared with silica fume. Construction and Building Materials, 21(3), 539–545. H. , 2011. Pore structure and chloride permeability of concrete containing nano-particles for pavement. Construction and Building Materials, 25(2), 608–616. , Kalfagiannis, N. , 2011. Nanomechanical characterization of cement-based pastes enriched with SiO2 nanoparticles. Materials Science and Engineering: B, 176(19), 1580–1584.

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