Abstract
There are many improvements needed in concrete, especially for use in renewal and expansion of the world’s infrastructure. Nanomodification can help solve many of these problems. However, concrete has been slow to catch on to the nanotechnology revolution. There are several reasons for this lag in the nanoscience and nanotechnology of concrete (NNC). First is the lack of a complete basic understanding of chemical and physical mechanisms and structure at the nanometer length scale. Another reason is the lack of a broad understanding of what nanomodification means to concrete, which is a liquid-solid composite. NNC ideas need to profit from, but not be bound by, experience with other materials. As an illustration of these ideas, a specific application will be given of using nano-size molecules in solution to affect the viscosity of the concrete pore solution so that ionic diffusion is slowed. A molecular-based understanding would help move this project towards true nanotechnology. A final section of this paper lists some possibly fruitful focus areas for the nanoscience and nanotechnology of concrete.
Keywords
- Calcium Silicate
- Pore Solution
- Calcium Silicate Hydrate
- Cement Concrete
- Chemical Admixture
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Garboczi, E.J. (2009). Concrete Nanoscience and Nanotechnology: Definitions and Applications. In: Bittnar, Z., Bartos, P.J.M., Němeček, J., Šmilauer, V., Zeman, J. (eds) Nanotechnology in Construction 3. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-00980-8_9
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DOI: https://doi.org/10.1007/978-3-642-00980-8_9
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