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Title: Investigation Methods for Characterizing Nanoparticles in Concrete

Author(s): Douglas Hendrix, Nabil Bassim, and Kay Wille

Publication: Symposium Paper

Volume: 335


Appears on pages(s): 37-48

Keywords: characterization, nanoparticles, cementitious material, concrete, dispersion, size distribution, dynamic light scattering

DOI: 10.14359/51720214

Date: 9/20/2019

There is significant potential for the use of nanoparticles in cementitious materials, especially in ultra-high performance concrete. These nanoparticles can further increase packing density, accelerate the pozzolanic reaction or can be used to induce new properties to the material, such as air purification or self-cleaning. Little is known about the interaction mechanisms between nanoparticles in cementitious materials, including their dispersion quality. The characterization of these nanoparticles can be challenging, especially when these nanoparticles interact with cementitious materials and their reaction products during hydration. Thorough characterization of the nanoparticle system is essential to understand how to optimize mixing constituents, procedures, and parameters.